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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?
