Partial melting results in a magma that is nearer the ________ end of the compositional spectrum than the parent rock from which it was derived.

Chalk, coquina, and ancient coral reefs are primarily composed of microcrystalline quartz.

Which is the correct term for water that flows in a channel, regardless of size?

Magma generation at depth almost always involves partial melting, not complete melting of the source rock.

The distinctive layers or bands of different minerals in gneisses may indicate complex folding.

Partial melting results in a magma that is nearer the ________ end of the compositional spectrum than the parent rock from which it was derived.

Which of the following erosional features provides clues to the direction of ice flow?

Flint, chert, and jasper are microcrystalline forms of ________.

________ is not a common cementing agent for sandstones.

Which is the correct term for water that flows in a channel, regardless of size?