Multiple Choice
Detrital grains of which mineral(s) are extremely rare in detrital sediments? Why?
A) Feldspars; they occur only in granites.
B) Calcite; it is soft and relatively soluble.
C) Clays; they are rare in soils and regolith.
D) Quartz; it is very hard and insoluble.
Correct Answer:
Verified
Correct Answer:
Verified
Q24: Detrital sedimentary rocks are classified (named)based on
Q25: _is composed mainly of lithified, organic debris
Q26: _is not a common cementing agent for
Q27: Fossils often provide valuable information about climatic
Q28: Which of the following applies to the
Q30: _cement produces bright- red and yellow colors
Q31: _, a common mineral found in igneous
Q33: Which property of sediment describes the range
Q34: A graywacke is_ .<br>A)a sandstone with the
Q71: Coal beds originate in_ .<br>A) shallow lakes