Exam review, Fossil Preservation Flashcards Preview

U0 Anthropology 203 > Exam review, Fossil Preservation > Flashcards

Flashcards in Exam review, Fossil Preservation Deck (4)
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1
Q

what is special about East African Rift System

A

facilitated the fossilization of a number of known hominin specimens

2
Q

where is the East African Rift System

A

The rift runs from the Afar Depression in NE Ethiopia, south to Malawi

3
Q

what is the East African Rift System typified by

A

rift valleys and both active and inactive volcanoes

4
Q

what is a rift valley

A

created by magma forcing tectonic plates apart, creating a collapsed area between the flanks of the plates.
Over time, the walls of the rift valley continue to erode, encouraging fossilization through periodic inundation and collapse