Multiple Choice
All of the following were present in ancient environments of dolostone formation EXCEPT:
A) oxygen- rich environments.
B) magnesium ions.
C) sulfate- consuming bacteria.
D) calcium carbonate crystals.
Correct Answer:

Verified
Correct Answer:
Verified
Q38: Which of the following sedimentary structures might
Q39: Which of the following statements about various
Q40: Sedimentary layers, or beds, indicate all of
Q41: Shales containing high amounts of organic matter
Q42: A sandstone containing quartz and feldspar grains
Q44: Sedimentary structures such as graded bedding, cross-
Q45: In filling the dry Mediterranean salt basin,
Q46: Which of the following statements about dolostone
Q47: The main difference between a breccia and
Q48: Sedimentary structures allow a geologist to determine:<br>A)