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A2 Maps - Coggle Diagram
A2 Maps
Unconformities
irregular shaped, erosional boundary
Rocks below are more deformed or faulted than rocks above
Rocks below are significantly older
Fossil record
Rocks above may contain included fragments derived from the rocks below
Basin
All beds dip towards the center
elliptical or circular synclines
Dome
All beds dip away from the center
elliptical or circular anticlines
Descriptions
V-Shaped outcrops
Inclined strata
Strata outcropping around a spur of a hill or mountain
Plunging folds
Rock outcrops
No. of outcrops
Location
Shape
Trend
Approx surface area