plate tectonics

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Ilkerender, “Kathmandu, Nepal, Himalayas, Everest”, May 5, 2008 via Flickr, Creative Commons Attribution-Non Comercisl- NonDerivs

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Page 1: Plate Tectonics

Ilkerender, “Kathmandu, Nepal, Himalayas, Everest”, May 5, 2008 via Flickr, Creative Commons Attribution-Non Comercisl-NonDerivs

Page 2: Plate Tectonics

theory proposed in 1960’s and 70’s

Multiple individual plates

Located in the lithosphere

Move at different speeds

Move in different directions

Page 3: Plate Tectonics

African Plate

Antarctic Plate

Indo-Australian Plate

Eurasian Plate

North American Plate

South American Plate

Pacific Plate

Page 4: Plate Tectonics

Dr.JohnBullas, “PlateTecto_web”, November 2, 2007 via Flickr, Creative Commons Atribution-Non Commercial-NoDerivs

Page 5: Plate Tectonics

Two plates meeting head to head

Three different types of plate boundaries

Different geographic features associated with each

Page 6: Plate Tectonics

TomDoyle, “Table Top Mt.Unalaka Island”, June 13, 2007 via Flickr, Creative Commons Atribution-Non Commercial-NoDerivs

Page 7: Plate Tectonics

Plates collide

3 different situations

1) Oceanic –

Continental

2) Oceanic – Oceanic

3) Continental -

ContinentalRyan VandenAkker, “convergent boundary” October 3, 2010 via Paint

Page 8: Plate Tectonics

Mountains

Volcanoes

Earthquakes

Island Arcs Mono, “Siera Velluda- 3585 mts’’, October 7, 2006 via Flickr, Creative Commons Atribution-Non Commercial-NoDerivs

Page 9: Plate Tectonics

Himalayas; Asia

Aleutian Islands;

Northern Pacific

Ocean

Andes; South

America

Mariana Trench;

Western Pacific

Ocean

Pontic Mountains;

Northern Turkey

Page 10: Plate Tectonics

Karabrugman, “the san andreas fault” March 23, 2010 via Flickr, Creative commons Attribution-NonComercial- NoDerivs

Page 11: Plate Tectonics

Plates “slide” past

one another in

opposite directions

Transform fault-

the fracture

zone between

plates

Ryan VandenAkker, “transform boundary” October 3, 2010 via Paint

Page 12: Plate Tectonics

Transform Faults

Reoccurring

earthquakes

Usually lack

volcanoesFrank Officeier, “San Andreas Fault 2” May 23, 2007, Creative commons Attribution-NonComercial- NoDerivs

Page 13: Plate Tectonics

San Andreas Fault

Zone; North America

Alpine Fault; New

Zealand

Dead Sea Transform

Fault; Middle East

Chaman Fault;

Pakistan

North Anatolian Fault;

Turkey

Queen Charlotte Fault;

North America

Page 14: Plate Tectonics

Debcha, “Southwest Rift”, June 30 2007, Creative commons Attribution-NonComercial- NoDerivs

Page 15: Plate Tectonics

Plates move

away from one

another.

Space in-

between fills

with magma

and hardens.

Ryan VandenAkker, “divergent boundary” October 3, 2010 via Paint

Page 16: Plate Tectonics

Mid-ocean

ridges

Continental

Rifts

Rift Valleys

Volcanic

Islands

Hot Spots

Dale Ghent, “La Cumbre lava flow”, April 23 2009 via Flickr, Creative commons Attribution- NonComercial- NoDerivs

Page 17: Plate Tectonics

Mid-Atlantic Ridge;

Atlantic Ocean

Great Rift Valley; East

Africa

Red Sea Lift

East African Rift

East Pacific Rise;

Pacific Ocean

Explorer Ridge; West

of Canada

Baikal Rift Zone;

Southeast Russia

Gakkel Ridge; Arctic

Ocean

Pacific-Antarctic

Ridge; Southern

Pacific Ocean

West Antarctic Rift;

Antarctica

Galapagos Rise