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Author Question: Pennsylvanian rocks have a characteristic cyclical deposition sequence of ____ and ____ sediments ... (Read 90 times)

scienceeasy

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on: Jul 15, 2018

Pennsylvanian rocks have a characteristic cyclical deposition sequence of ____ and ____ sediments
  called ____.
  a. shale, carbonate, varves
  b. marine, nonmarine, varves
  c. carbonate, shale, cyclothems
  d. marine, nonmarine, cyclothems
  e. none of the above



Question 2

A cratonic sequence is recognized by a:
  a. transgressive phase followed by regressive phase.
  b. regressive phase followed by a transgressive phase.
  c. regressive phase only.
  d. transgressive phase only.
  e. lack of any sequence.



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okolip

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Reply #1 on: Jul 15, 2018
Answer to Question 1

D

Answer to Question 2

A


scienceeasy

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Reply 2 on: Jul 15, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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