Multiple Choice
What do orange red or brown colours indicate in sedimentary rocks?
A) original deposition on a beach
B) deposition below water in a swamp or muddy estuary
C) an oxidizing environment to produce iron (ferric) oxides or hydroxides
D) high organic matter contents
Correct Answer:
Verified
Correct Answer:
Verified
Q49: Explain how feldspars and micas can become
Q50: Which sedimentary rock is composed mainly of
Q51: How can crystalline chemical sedimentary rocks be
Q52: Name three kinds of organisms which have
Q53: Red, brown and orange sandstones are cemented
Q55: Conglomerates and breccias are low energy deposits
Q56: Sedimentary rocks account for about what percentage
Q57: Which of the following rocks is lithified
Q58: Fossil insects are sometimes preserved in what
Q59: Name at least three factors that determine