What Is a Wacke

question 91

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

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Definitions:

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