Geology Exam 2

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Match the metamorphic rock with its parent rock.Anthracite

Bituminous coal

What term means a large crystal in a finer-grained metamorphic rock?

porphyroblastic crystal

Match the rocks produced from the metamorphism of basalt with their counterparts made from shale.Mica schist

Amphibolite

Match the name of the metamorphic facies with the region in Earth's crust where it would form.Hornfels facies

Around igneous intrusions

Match the name of the metamorphic facies with the region in Earth's crust where it would form.Eclogite facies with garnets and pyroxene

Deep in the subduction zone where mantle rocks mix with subducting plate rocks.

Match the rocks produced from the metamorphism of basalt with their counterparts made from shale.Gneiss

Granulite

Match the rocks produced from the metamorphism of basalt with their counterparts made from shale.Phyllite

Greenschist

Match the metamorphic rock with its parent rock.Marble

Limestone

Match the name of the metamorphic facies with the region in Earth's crust where it would form.Zeolite facies

Low temperature and low pressure in shallow burial metamorphism

Where was the marble used in exterior of the Lincoln Memorial in Washington, D.C., quarried?

Marble, Colorado

What is the difference between marble and quartzite?

Quartzite is made from sandstone; marble is made from limestone.

Match the metamorphic rock with its parent rock.Quartzite

Sandstone

Match the metamorphic rock with its parent rock.Slate

Shale

Match the name of the metamorphic facies with the region in Earth's crust where it would form.Blueschist facies with glaucophane

Shallow in the subduction zone

Which of the following lists the rocks in the order of increasing grain size and increasing grade of metamorphism?

Slate, phyllite, schist

What is a roof pendant?

a cap of metamorphic rocks over an igneous pluton

What three minerals, all of the same chemical composition, form polymorphs depending on the pressure and temperatures at which they are stable?

andalusite, kyanite, and sillimanite

Amphibolite is a foliated metamorphic rock composed principally of hornblende and plagioclase feldspar. How might it form?

by regional metamorphism of volcanic rocks such as andesite and basalt.

Which of the following lists of minerals properly indicates increasing metamorphism?

chlorite, muscovite, biotite, garnet, sillimanite

What is the major source of heat for contact metamorphism?

heat from a nearby magma body

Which of the following is a nonfoliated rock formed by contact metamorphism of a shale or mudstone?

hornfels

What type of metamorphism would occur around a geyser in Yellowstone Park?

hydrothermal metamorphism

What process created the copper ores on the Mediterranean island of Cyprus and probably in other important copper districts?

hydrothermal solutions on the sea floor

In what metamorphic environment would the unique form of quartz called coesite form?

impact metamorphism

Of the pairs listed below, which two metamorphic rocks are composed predominantly of single minerals?

marble and quartzite

In what type of metamorphic rock do once-molten veins of quartz and feldspar cross and fill gaps in nonmolten amphibole and biotite layers?

migmatitic

Which of the following textures does slate exhibit?

rock cleavage

In which of the following places are vast areas of metamorphic rocks exposed?

the Canadian Shield, Eastern Highlands of Connecticut and most of New England, Anza Borrego Desert State Park in California, Colorado Rocky Mountains


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