petrology of sedimantery rock r l folk

Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/01Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/02Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/03Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/04Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/05Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/06Folk.GifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/07Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/08Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/09Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/100Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/101Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/102Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/103Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/104Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/105Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/106Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/107Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/108Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/109Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/10Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/110Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/111Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/112Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/113Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/114Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/115Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/116Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/117Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/118Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/119Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/11Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/120Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/121Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/122Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/123Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/124Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/125Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/126Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/127Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/128Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/129Fold.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/12Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/130Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/131Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/132Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/133Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/134Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/135Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/136Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/137Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/138Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/139Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/13Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/140Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/141Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/142Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/143Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/144Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/145Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/146Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/147Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/148Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/149Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/14Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/150Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/151Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/152Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/153Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/154Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/155Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/156Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/157Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/158Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/159Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/15Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/160Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/161Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/162Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/163Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/164Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/165Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/166Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/167Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/168Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/169Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/16Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/170Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/171Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/172folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/173Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/174Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/175Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/176Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/177Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/178Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/179Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/17Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/180Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/181Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/182Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/183Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/184Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/18Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/19Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/1pixel-blue.jpgPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/1pixel-drab.jpgPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/1pixel-green.jpgPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/1pixel-grey.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/1pixel-orange.jpgPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/1pixel-white.jpgPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/20Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/21Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/22Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/23Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/24Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/25Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/26Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/27Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/28Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/29Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/30Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/31Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/32Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/33Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/34Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/35Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/36Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/37Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/38Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/39Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/40Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/41Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/42Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/43Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/44Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/45Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/46Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/47Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/48Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/49Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/50Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/51Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/52Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/53Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/54Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/55Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/56Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/57Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/58Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/59Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/60Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/61Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/62Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/63Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/64Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/65Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/66Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/67Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/68Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/69Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/70Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/71Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/72Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/73Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/74Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/75Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/76Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/77Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/78folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/79Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/80folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/81Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/82Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/83Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/84Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/85Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/86Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/87Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/88Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/89folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/90Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/91Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/92Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/93Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/94Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/95Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/96Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/97Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/98Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/99Folk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/contents.html

Table of Contents

Introduction to Sedimentary Rocks1

Properties of Sedimentary Rocks3

Grain Size3 Particle Morphology7

Significance of Grain Morphology12

Collection and Preparation of Samples for Analysis15

Sampling15Preparation of Samples for Grain-Size Analysis16

Separation of Sand from Mud19

Grain Size Scales and Conversion Tables 23

Grain Size Nomenclature 25

Suggested Outline for Detailed Study of Texture29

Making Distribution Maps Showing Grain Size of Sediments30Size Analysis by Sieving31

Size Analysis by Settling Tube33

Pipette Analysis by Silt and Clay33

Graphic Presentation of Size Data38

Statistical Parameters of Grain Size40

A Few Statistical Measures for Use in Sedimentary Petrology49

Populations and Probability53

Mineral Composition of Sedimentary Rocks62

Quartz65Chert and Opal79

Reworked Detrital Chert80

Feldspar81

Large Micas86

Metamorphic Rock Fragments87

Sedimentary Rock Fragments88

Clay Minerals89

Heavy Minerals94

Carbonate Minerals97

Miscellaneous Chemical Minerals98

Petrology of Sandstones100

Krynine's Theory of the Tectonic Control of Sandstone Properties108A Concinnity of Depositional Regions111

The New Global Tectonics Integrated with Classical Sedimentary Tectonics114

Genetic Code for Sandstones120

Mineralogical Classification of Sandstones123

Preferred Combinations of Sedimentary Types130

Petrology of Mudrocks145

Description and Nomenclature for Terrigenous Sediments147

Petrology of Carbonate Rocks156

Classification of Limestones156Grain Size Scales for Carbonate Rocks163

Diagenesis172

Recrystallization, Inversion and Neomorphism177Dolomites178

Title Page / Preface / Author's Statement /

Return to Geology Library "further resources" page

UT Library Online | UT Austin Web Central | Comments

The General Libraries. The University of Texas at Austin.

Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/copyrtFolk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/folk-statement.htmlAuthor'sStatement

Petrology of Sedimentary Rocks is out of stock and out of print, and itwill not be revised or reprinted. As the owner of the copyright, I have giventhe Walter Geology Library permission to provide access to the entire documenton the World-Wide-Web for those who might want to refer to it or download acopy for their own use.

R.L. Folk

Professor Emeritus

Dept. of Geological Sciences GEO 304-C1130

The University of Texas at Austin

Austin, TX 78712-1101

U.S.A.

Introduction / Title Page / Preface / Table ofcontents /



Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/FolkPreface.html

Original Preface

This syllabus is by no means intended as a textbook on sediments. Rather, it was originally intended to supplement lecture and laboratory material given in sedimentary petrology courses at The University of Texas. Consequently it is to be used in conjunction with standard textbooks in the field such as Pettijohn,Sedimentary Rocks, Krumbein and Pettijohn, Manual of Sedimentary Petrology, Blatt, Middleton and Murray, Origin of Sedimentary Rocks, Pettijohn, Potter and Siever, Sand and Sandstones, Bathurst,Carbonate Rocks, Carver, Procedure in Sedimentary Petrology, or Royse, Sediment Analysis. For this reason, no references to the literature are given, as these references are readily available in those texts. Persons responsible for particular ideas are indicated by parentheses. Figure revisions are by Connie Warren.

None of the statements herein are to be regarded as final; many ideas held valid as recently as two years ago are now known to be false. Such is the penalty of research. This syllabus merely states the present condition of the subject. The rapid rate at which sedimentary petrologic data is now accumulating is bound to change radically many of the ideas contained within.

Much of this syllabus is based on material obtained in sedimentation courses taught at the Pennsylvania State College by Paul D. Krynine and J. C. Griffiths, 1945-1950, together with later modifications of and additions to this material by the present author during his own work on sediments after 1950. I would therefore like to dedicate this booklet to those two inspiring teachers: Krynine, without peer as a sedimentary petrographer, mineralogist and man of ideas (see JSP Dec. 1966); and Griffiths, pioneer in the application of rigid statistical techniques to description of the physical properties of sediments.

Historically, Henry Clifton Sorby of Sheffield, England (1826-1908) is the founder of sedimentary petrography (and microscopic petrography in general). His work was so voluminous and so excellent that it was not matched until well into the twentieth century, fifty years after his publications. Although the microscope had been used earlier to study slides of fossils and a few rocks, Sorby was the first geologist to realize their importance, cut his first thin section in 1849 (a cherty limestone) and published on it in 1851, the first paper in petrography. Sorby demonstrated his technique to Zirkel in 1861, and thus igneous petrography was born. Sorby's three monumental papers were on the origin and temperature of formation of crystals as shown by their inclusions, etc. (1858); on the structure and origin of limestones and petrography of fossil invertebrates (1879); and on quartz types, abrasion, surface features, and petrography of schists and slates (1880). He made 20,000 paleocurrent measurements for a decade before his publication (1859). He also has fundamental publications in structural petrology (1856), studied fluvial hydraulics, founded the science of metallography in 1864, and devoted the latter part of his life to study of recent sediments and marine biology. A good biography is given by Judd (1908, Geol. Mag.), and Naturalist (1906) lists some 250 of Sorby's papers; a short review of Sorby's career is given in J. Geol. Educ. 1965. Even today his papers deserve detailed study by every petrographer. Two volumes of his collected works have been edited by C.H. Summerson (publ. by the University of Miami).

Title page / Author's statement / Table of contents /



Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/folkprefRev.html

UTLOL - Walter Geology Library

INTRODUCTION to the Web version 1.0 of The Petrology of Sedimentary Rocks by R.L. Folk

This publication is an effort to satisfy the demand for access to the Petrologyof Sedimentary Rocks, an out-of-print classic in its field by Robert L. Folk.

Low resolution version, consisting of separate, downloadable image files.

Higher resolution, single pdf file. Searchable text. This is a very large (16 megabyte) file.

Please send comments and suggestions to: Walter Geology Library

How do I...? -- Ask us (Library FAQs) -- Sitemap -- Walter Geology Library2003 General Libraries

The University of Texas at Austin

Material usage statement

Accessibility

Privacy Information | Comments | UT Austin Web Central

Page viewed: April 4, 2003Page last modified: April 3, 2003

(Requires UT EID)

Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/folksignature3.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/header-fill.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/iFolk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/iiFolk.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/index.htmIndex of /geo/FolkReady

Parent Directory 01Folk.gif 02Folk.gif 03Folk.gif 04Folk.gif 05Folk.gif 06Folk.Gif 07Folk.gif 08Folk.gif 09Folk.gif 100Folk.gif 101Folk.gif 102Folk.gif 103Folk.gif 104Folk.gif 105Folk.gif 106Folk.gif 107Folk.gif 108Folk.gif 109Folk.gif 10Folk.gif 110Folk.gif 111Folk.gif 112Folk.gif 113Folk.gif 114Folk.gif 115Folk.gif 116Folk.gif 117Folk.gif 118Folk.gif 119Folk.gif 11Folk.gif 120Folk.gif 121Folk.gif 122Folk.gif 123Folk.gif 124Folk.gif 125Folk.gif 126Folk.gif 127Folk.gif 128Folk.gif 129Fold.gif 12Folk.gif 130Folk.gif 131Folk.gif 132Folk.gif 133Folk.gif 134Folk.gif 135Folk.gif 136Folk.gif 137Folk.gif 138Folk.gif 139Folk.gif 13Folk.gif 140Folk.gif 141Folk.gif 142Folk.gif 143Folk.gif 144Folk.gif 145Folk.gif 146Folk.gif 147Folk.gif 148Folk.gif 149Folk.gif 14Folk.gif 150Folk.gif 151Folk.gif 152Folk.gif 153Folk.gif 154Folk.gif 155Folk.gif 156Folk.gif 157Folk.gif 158Folk.gif 159Folk.gif 15Folk.gif 160Folk.gif 161Folk.gif 162Folk.gif 163Folk.gif 164Folk.gif 165Folk.gif 166Folk.gif 167Folk.gif 168Folk.gif 169Folk.gif 16Folk.gif 170Folk.gif 171Folk.gif 172folk.gif 173Folk.gif 174Folk.gif 175Folk.gif 176Folk.gif 177Folk.gif 178Folk.gif 179Folk.gif 17Folk.gif 180Folk.gif 181Folk.gif 182Folk.gif 183Folk.gif 184Folk.gif 18Folk.gif 19Folk.gif 20Folk.gif 21Folk.gif 22Folk.gif 23Folk.gif 24Folk.gif 25Folk.gif 26Folk.gif 27Folk.gif 28Folk.gif 29Folk.gif 30Folk.gif 31Folk.gif 32Folk.gif 33Folk.gif 34Folk.gif 35Folk.gif 36Folk.gif 37Folk.gif 38Folk.gif 39Folk.gif 40Folk.gif 41Folk.gif 42Folk.gif 43Folk.gif 44Folk.gif 45Folk.gif 46Folk.gif 47Folk.gif 48Folk.gif 49Folk.gif 50Folk.gif 51Folk.gif 52Folk.gif 53Folk.gif 54Folk.gif 55Folk.gif 56Folk.gif 57Folk.gif 58Folk.gif 59Folk.gif 60Folk.gif 61Folk.gif 62Folk.gif 63Folk.gif 64Folk.gif 65Folk.gif 66Folk.gif 67Folk.gif 68Folk.gif 69Folk.gif 70Folk.gif 71Folk.gif 72Folk.gif 73Folk.gif 74Folk.gif 75Folk.gif 76Folk.gif 77Folk.gif 78folk.gif 79Folk.gif 80folk.gif 81Folk.gif 82Folk.gif 83Folk.gif 84Folk.gif 85Folk.gif 86Folk.gif 87Folk.gif 88Folk.gif 89folk.gif 90Folk.gif 91Folk.gif 92Folk.gif 93Folk.gif 94Folk.gif 95Folk.gif 96Folk.gif 97Folk.gif 98Folk.gif 99Folk.gif FolkPreface.html TitlePage.gif TitlePage.html WS_FTP.LOG contents.html copyrtFolk.gif entirefolkpdf.pdf folk-statement.html folkprefRev.html folksignature3.gif iFolk.gif iiFolk.gif page1.html page10.html page100.html page101.html page102.html page103.html page104.html page105.html page106.html page107.html page108.html page109.html page11.html page110.html page111.html page112.html page113.html page114.html page115.html page116.html page117.html page118.html page119.html page12.html page120.html page121.html page122.html page123.html page124.html page125.html page126.html page127.html page128.html page129.html page13.html page130.html page131.html page132.html page133.html page134.html page135.html page136.html page137.html page138.html page139.html page14.html page140.html page141.html page142.html page143.html page144.html page145.html page146.html page147.html page148.html page149.html page15.html page150.html page151.html page152.html page153.html page154.html page155.html page156.html page157.html page158.html page159.html page16.html page160.html page161.html page162.html page163.html page164.html page165.html page166.html page167.html page168.html page169.html page17.html page170.html page171.html page172.html page173.html page174.html page175.html page176.html page177.html page178.html page179.html page18.html page180.html page181.html page182.html page183.html page184.html page19.html page2.html page20.html page21.html page22.html page23.html page24.html page25.html page26.html page27.html page28.html page29.html page3.html page30.html page31.html page32.html page33.html page34.html page35.html page36.html page37.html page38.html page39.html page4.html page40.html page41.html page42.html page43.html page44.html page45.html page46.html page47.html page48.html page49.html page5.html page50.html page51.html page52.html page53.html page54.html page55.html page56.html page57.html page58.html page59.html page6.html page60.html page61.html page62.html page63.html page64.html page65.html page66.html page67.html page68.html page69.html page7.html page70.html page71.html page72.html page73.html page74.html page75.html page76.html page77.html page78.html page79.html page8.html page80.html page81.html page82.html page83.html page84.html page85.html page86.html page87.html page88.html page89.html page9.html page90.html page91.html page92.html page93.html page94.html page95.html page96.html page97.html page98.html page99.html vermeerwithshell3t.gif

Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/none-head-2nd.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/page1.html

Table of contents / Next page

Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/page10.html

Table of contents / Previous page / Next page /


























































































































































































This is the last page (not numbered in the original text).

Table of contents / Previous page /

The General Libraries | UT Austin Central Server | [email protected]




Table of contents / Next page / Previous page






















Table of contents / Previous page / Next page






















Table of contents / Previous page / Next page



































































































































Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/TitlePage.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/TitlePage.html

Author's Statement / Preface / Table of Contents /

Petrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/utdirect-logo.jpgPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/utlol-header-2nd.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/utlol-stub-2nd.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/Petrology of sedimantery rock FOLK/vermeerwithshell3t.gifPetrology_of_sedimantery_rock_R.L.FOLK/Petrology of sedimantery rock R.L.FOLK/TitlePage.gif

petrology of sedimantery rock r l folk

Documents