Hydrolysis is particularly effective in weathering ____. ...

[bucstennis@aim.com]

Hydrolysis is particularly effective in weathering ____.
 A)limestone
 B)sandstone
 C)bauxite
 D)calcite
 E)feldspar

Question 2

Explain how extensive black shales such as those seen in the Middle Devonian across the United States might form.

[ultraflyy23]

Answer to Question 1

E

Answer to Question 2

The essential features required to produce extensive black shales include undisturbed anaerobic bottom water, a reduced supply of coarser detrital sediment, and high organic productivity in the overlying oxygenated waters. High productivity in the surface waters leads to a shower of organic material, which decomposes on the undisturbed seafloor and depletes the dissolved oxygen at the sedimentwater interface.

[bucstennis@aim.com]

Thanks for the timely response, appreciate it

[pangili4]

Gracias!