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Author Question: What is an example of authigenic sediment? a. Quartz sand b. Phosphorite deposits c. Volcanic ... (Read 67 times)

audragclark

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on: Aug 22, 2018
What is an example of authigenic sediment?
 

a. Quartz sand
  b. Phosphorite deposits
  c. Volcanic dust
  d. Diatomaceous ooze
  e. Tektite spheres



Question 2

What is the main source of terrigenous sediments to the ocean?
  a. volcanic eruptions
  b. rivers
  c. dust and ash
  d. cosmic dust
  e. marine snow



cegalasso

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Reply #1 on: Aug 22, 2018
Answer to Question 1

b

Answer to Question 2

b


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