The majority of the rocks that occur at the surface of Earth are _____. a. metam

Question

The majority of the rocks that occur at the surface of Earth are _____. a. metamorphic rocks b. intrusive igneous rocks c. extrusive igneous rocks d. sedimentary rocks Clastic sedimentary rocks are primarily classified on the basis of _____. a. grain size b. angularity c. mineral composition d. degree of sorting Compaction and cementation of grains occurs during _____. a. lithification b. weathering c. erosion d. transport A fine-grained clastic sedimentary rock that splits into thin sheets is _____. a. mudstone b. arkose c. shale d. sandstone

Explanation / Answer

1)d.. sedimentary rocks

The majority of the rocks that occur at the surface of Earth is sedimentary rocks.

2)a. grain size

Clastic sedimentary rocks are primarily
classified on the basis of grain size.

3)a. lithification

Compaction and cementation of grains
occurs during  lithification.

4)c. shale

A fine-grained clastic rock that splits into thin sheets is shale.

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