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Academic vocab

academic vocab

QuestionAnswer
Fossil the trace or remains of an organism that lived long ago most commonly preserved in sedimentary
trace fossil a fossilized structure such as a footprint or a coprolite that formed in sedimentary rock by animal activity on or within soft sediment
climate the weather conditions in area over a long period of time
ice core a long cylinder of ice obtained from drilling through ice caps or ice sheets used to study past climates
relative dating any method of determining whether an event or object is older or younger than other other events or objects
superposition a principle that states that younger rocks lie above older rocks if the layer have not been disturbed
unconformity a break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time
geologic column an ordered arrangement of rock layer that is based on the relative ages of the rocks and in which the oldest rock are at the bottom
uniformitarianism a principle that geologic processes that occurred in the past can be explained by current geologic process
Created by: Tianalew7
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