What is a wacke?
A) a sandstone with immature lithic sand grains embedded in a clay- rich matrix
B) a dark, organic- rich, chemical sedimentary rock containing small crystals of halite
C) a limestone with abundant, sand- sized, quartz grains
D) a dark- grey, calcite- rich mudstone or shale containing pyrite
Correct Answer:
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Q4: Which common mineral of igneous rocks is
Q5: How are cements formed in sedimentary rocks?
A)
Q6: What does a sediment layer bounded by
Q7: Which of the following rocks is lithified
Q8: In what environment are deltas typically formed,
Q10: What does poor sorting indicate in a
Q11: _cement produces bright- red and yellow colors
Q12: Which of the following would retain the
Q13: Which of the following is fossilized resin
Q14: What rock type would be made from
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