Geologic Time Constructed Response Practice Questions Answer Key
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Not Triassic- rock layers too old
Too old
2- We don’t have Permian rocks in NYS
Circle- one vertical layer, every outcrop
Short amount of time, widespread
Ordovician
Contact metamorphism
1; same time as Phacops
Catskill Delta forms or Erosion of Acadian Mountains or closing of the Iapetus Sea
Weathering and erosion
Contact metamorphism
Layer 1
Conglomerate
Igneous
Superposition
Mastadont, Beluga Whale, Condor
Quaternary; Pleistocene
Advance and retreat of the last continental ice sheet
N-14
Short half-life; organic