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Author Question: List three sedimentary structures and explain what each one indicates about the depositional ... (Read 44 times)

appyboo

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on: Jul 16, 2018
List three sedimentary structures and explain what each one indicates about the depositional environment.
 
  What will be an ideal response?

Question 2

Predict whether limestone exposed in a dry desert with sparse vegetation would chemically weather faster or slower than a limestone exposed in a very wet, tropical forest. Explain how you arrived at your prediction.
 
  What will be an ideal response?


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krakiolit

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Bedding/ stratification: changes in depositional processes; Mud cracks: desiccation; Graded beds: changes in current strength.

Answer to Question 2

Limestone exposed in a very wet tropical forest would weather faster than limestone in a dry desert. The warm, wet conditions would encourage chemical weathering. The limestone would undergo dissolution more quickly with the aid of acidic waters from rain. The heat would drive chemical reactions to go faster.


appyboo

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Reply 2 on: Jul 16, 2018
Wow, this really help

Joy Chen

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Reply 3 on: Yesterday
Excellent

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