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.

Question

Quizplus · Accepted Answer

To be called a sandstone, quartz does not need to make up more than 95 percent of the grains. Generally, sandstones are composed of sand-sized grains of any mineral or rock type, with quartz being the most common mineral.

Which of the Following Statements Is Not True About Clastic