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

DeformationP

last

ic

Def

orm

atio

nB

ritt

le

Def

orm

atio

n

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?

Fault Type?