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GraceG.midtermreview

Midterm review questions and answers

QuestionAnswer
If rock layers are undisturbed, how are they arranged? horizontally
What is the "ideal" arrangment of all known fossils and rock formations on Earth? Geologic Column
What is the most basic concept used in relative dating? superposition
What is the process of returning land to its original condition after mining is complete? reclamation
What is the most common type of Unconformity? Disconformity
What is the largest type of geologic time? eon
What is the era that we are in? Cenozoic
What era ended in the largest mass extinction? Paleozoic
What are the 2 main types of mining? surface and subsurface
Which rock shapes comes from the Greek words "changed" and "shape"? metamorphic
During _______, rock is heated by nearby magma. contact metamorphism
What do we call metamorphic rocks in which mineral grains are NOT aligned? Nonfoliated
Created by: geghead
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