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drelog drelog
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Posts: 2711
8 years ago
A geologist working in an area finds gravels with gentle dips of about 5 degrees.  She finds a large outcrop where these gravels are overlain by tephra with prominent layers that dip 35-40 degrees.  What is the history of this area?
A) After the gravel was deposited, a large composite cone was built on the area.
B) Before the gravel was deposited, a cinder cone formed in this area.
C) After the gravel was deposited, a cinder cone formed in the area.
D) Basalt flows formed after a series of gravels were deposited, covering the local terrain, and built a shield volcano.
Textbook 
Earth Science

Earth Science


Edition: 14th
Authors:
Read 1554 times
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ןnɟʎoɾ sʎɐʍן∀ Slight Smile
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PulsaPulsa
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Posts: 1845
8 years ago
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drelog Author
wrote...
8 years ago
Exactly what I needed, exam is tomorrow!
ןnɟʎoɾ sʎɐʍן∀ Slight Smile
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4 years ago
That's good.
wrote...
4 years ago
Great.
wrote...
4 years ago
Thank you!
wrote...
4 years ago
nice!
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