Geologic Maps and Structures Lab 2a Geology 208. Geologic Maps: Snoqualmie Pass.

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Presentation transcript:

Geologic Maps and Structures Lab 2a Geology 208

Geologic Maps: Snoqualmie Pass

Cross Sections: Seattle Basin

Stratigraphic Column: John Day National Monument, Oregon

Describing Structures: Strike and Dip

Deformation Results from Stress

Deformation Plastic Deformation Brittle Deformation

Folds - Anticlines and Synclines

Anticline Youngest Rock Oldest Rock Core Beds Dip Away from the Core

Syncline Youngest Rock Oldest Rock Core Beds Dip Toward the Core

Fold in Wind River Mtns

Fold in Maryland

Faults

Strike-Slip Fault

Dip-Slip Faults (Cross Section)

Normal Fault

Thrust Fault

Fault Type?

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