º

Geologic Map of North-Central Mason County, Texas

NAD83, UTM zone 14 projection

S

S S

S

SS

S

S

S

S

S

S

SS

S

S

S

S

S

S

S

S

S

S

S

S

S

S S

S

SS

S

S

S

S

S S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

M A S O NM A S O N

£¤29

£¤87 ³±386

£¤29

³±1851

³±2816

pCtm

pCps

pClc

pCvs

Kft

Crh

pCps

Crh

Kh

pCps

Crh

Crh

pClc

pClc

Crh

Crh

Crh

Crh

Ot

Crh

Crh

Ot

Crh

Crh

CrcCrh

Crh

Crh

Crc

Crh

Crc

Crh

Kh

Qal

Cws

pCm

pClc

pClc

pClc

pCps

pCm

W i llow C reek

Spice Cree k

S andy C reek

Comanche Cree

k

Litt le Willow Creek

K atemcy Creek

Tiger Creek

Wo lf Branch

Has se Creek

Mitchell Creek

Koocks Branch

Mud Creek

Little Willow Creek

480000

3410

000

3420

000

M a s o n M o u n t a i nW M A

M a s o n M o u n t a i nW M A

1:100,000

0 1 2 3 4 5 Kilometers

Geologic Units and SymbolsQal, AlluviumQt, Fluviatile terrace depositsKft, Edwards Fm., Fort Terrett Mbr.Kh, Hensell SandIPmf, Marble Falls LimestoneOg, Ellenburger Gr., Gorman Fm.Ot, Ellenburger Gr., Tanyard Fm.Cws, Wilberns Fm., San Saba Mbr.Cwp, Wilberns Fm., Point Peak MbrCwm, Wilberns Fm., Morgan Cr. Lm and Welge SsCrc, Riley Fm., Lion Mt. Ss and Cap Mt. Lm Mbrs.Crh, Riley Fm., Hickory Ss Mbr.pCy, Younger granitic intrusive rockspCtm, Town Mountain GranitepCps, Packsaddle SchistpClc, Lost Creek GneisspCm, Mafic igneous rockspCvs, Valley Spring Gneiss

a, aplogranite or aplite dikem, Packsaddle Schist, marble

Fault Type

S NormalUnspecified M.Helper, Sept. '06

M a s o n F a u l t Z o n e

M a s o n F a u l t Z o n e