Multiple Choice
What is a wacke?
A) a limestone with abundant, sand-sized, quartz grains
B) a sandstone with immature lithic sand grains embedded in a clay-rich matrix
C) a dark-grey, calcite-rich mudstone or shale containing pyrite
D) a dark, organic-rich, chemical sedimentary rock containing small crystals of halite
Correct Answer:

Verified
Correct Answer:
Verified
Q86: A cherty limestone would contain which major
Q87: Detrital sedimentary rocks are classified according to
Q88: Which sediment gets lithified to become shale?<br>A)all
Q89: Diagenesis mainly occurs in the uppermost few
Q90: Where would wedge shaped piles of muddy
Q92: Which of the following describes the correct
Q93: What minerals would you expect to find
Q94: How are cements formed in sedimentary rocks?<br>A)They
Q95: Carbonized fossils of Opabina, Ottoia, and Wiwaxia
Q96: Where do most carbonate reefs form?<br>A)in the