Exam 14: Mass Wasting: the Work of Gravity

Vesicles are_______ .

___________is composed mainly of ferromagnesian minerals.

The mechanism of magmatic differentiation involving the removal of denser, early formed high temperature mineral phases is______ .

The rare pyroxene spodumene is mined from granite pegmatites for its high content of the element_________

The classification and nomenclature of igneous rocks is based primarily on________ .

Consider Bowen's reaction series. Which mineral would you expect to see as a phenocryst in a porphyritic basalt?

Three processes contribute to the formation of every igneous rock: ___________.

The temperature within the Earth ______with depth because rocks are poor conductors of heat and they contain small amounts of radioactive elements that generate heat. This gradual change in temperature with depth is called the_______ .

Which magma is most likely to quench (congeal) to a natural glass?

The process of _______is driven by__________ and transforms a magma into an igneous rock.

What would you name an intermediate coloured (35% dark minerals), phaneritic rock with large greenish- black amphibole phenocrysts?

Name the texture that requires a magnifying glass or microscope to see individual mineral grains.

The size, shape, and geometric arrangement of mineral grains in igneous rocks is called _________and it indicates __________.

Technically, the process whereby ions arrange themselves into orderly patterns during the cooling of a liquid is called_______ .

Silicate igneous rocks make up the________ .

The phaneritic equivalent of basalt is

Which of the following is the dominant lava erupted from volcanoes in Hawaii and Iceland?

Which of the following igneous rocks is thought to be common in the Earth's mantle but rare in the crust?

The aphanitic equivalent of peridotite is

Which phaneritic, igneous rock is comprised mainly of olivine, pyroxene, and calcium rich plagioclase?