Which of the Following Statements Is Not True About Clastic

question 75

Multiple Choice

Which of the following statements is not true about clastic sedimentary rocks?

• A)Clasts in a conglomerate or breccias can be different rock types or can be all the same rock type.
• B)To be called a sandstone,quartz must make up more than 95 percent of the grains.
• C)The amount of pore space decreases as a sand is compacted into sandstone.
• D)The natural cement that holds sedimentary rocks together is composed of dissolved minerals that precipitate.

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