What is an example of authigenic sediment? a. Quartz sand b. Phosphorite deposits c. Volcanic ...

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

Reply #1 on: Aug 22, 2018

Answer to Question 1

b

Answer to Question 2

b

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