Miscellanious

Question 1

In general, when rock is partially melted, the chemistry of the melt is ________.

Answer 1

more felsic than the original chemistry of the rock that was partially melted

Question 2

Cemented shells of marine organisms form which kind of sedimentary rock?

Answer 2

Biochemical

Question 3

Compaction and cementation of grains occurs during ________.

Answer 3

Lithification

Question 4

The primary difference between breccia and conglomerate is that conglomerate ________.

Answer 4

possesses more rounded grains than breccia

Question 5

Which environment would most likely produce sedimentary deposits characterized by very well-sorted, very well-rounded grains that are nearly pure quartz?

Answer 5

Beach

Question 6

Preexisting rock that is subsequently altered to form a metamorphic rock is termed a ________.

Answer 6

Protolith

Question 7

A protolith subjected to metamorphism

Answer 7

May belong to any of the 3 rock types

Question 8

The application of ________ during metamorphism causes elongated crystals to align parallel with each other. When this happens, the rock develops ________.

Answer 8

Differential stress/ foliation

Question 9

The mineral assemblage within metamorphic rock is dependent on?

Answer 9

both the mineral content of its protolith and the temperature and pressure of formation