Question 1

Which low- grade metamorphic rock, composed of extremely fine- sized mica and other mineral grains, typically exhibits well- developed rock cleavage?

Accepted Answer

A) hornfels 
B) slate 
C) schist 
D) quartzite 
A) hornfels 
B) slate 
C) schist 
D) quartzite B

Question 2

What foliated, metamorphic rock is texturally intermediate between slate and schist?

Accepted Answer

A) fault breccia 
B) gneiss 
C) quartzite 
D) phyllite 
A) fault breccia 
B) gneiss 
C) quartzite 
D) phyllite D

Question 3

Which of the following is not necessary for the formation of metamorphic rock?

Accepted Answer

A) calcium- rich or liquids 
B) chemically active liquids 
C) heat 
D) pressure 
A) calcium- rich or liquids 
B) chemically active liquids 
C) heat 
D) pressure A

Question 4

What type of stress (pressure)is illustrated in diagram B above?

Accepted Answer

The answer of What type of stress (pressure)is illustrated in...

Question 5

What type of stress (pressure)is illustrated in diagram A above?

Accepted Answer

confining pressure
Critical th

Question 6

What strongly banded, metamorphic rocks show good evidence for having formed by partial melting?

Accepted Answer

The answer of What strongly banded, metamorphic rocks show good...

Question 7

Which of the following best describes the conditions of contact metamorphism?

Accepted Answer

A) Pressures are very high, the rock is deeply buried, and temperatures are raised by the Earth's internal heat. 
B) Pressures are fairly low, the rock is in the upper part of the crust, and heat is supplied from a nearby magma body. 
C) Depths are fairly shallow, but temperatures and pressures are so high that the rocks begin to partially melt. 
D) Heat is generated by shearing and mechanical movements along faults. 
A) Pressures are very high, the rock is deeply buried, and temperatures are raised by the Earth's internal heat. 
B) Pressures are fairly low, the rock is in the upper part of the crust, and heat is supplied from a nearby magma body. 
C) Depths are fairly shallow, but temperatures and pressures are so high that the rocks begin to partially melt. 
D) Heat is generated by shearing and mechanical movements along faults.

Question 8

What metamorphic rock forms by intense ductile deformation along fault zones at depth in the Earth?

Accepted Answer

The answer of What metamorphic rock forms by intense ductile...

Question 9

Which metamorphic rock, widely used for monuments and buildings, would deteriorate significantly in contact with acid rain?

Accepted Answer

The answer of Which metamorphic rock, widely used for monuments...

Question 10

Graphite is identified in a particular schist. Which one of the following conclusions is justified?

Accepted Answer

A) The schist formed from a quartz- rich, sedimentary limestone. 
B) The rock also contains diamonds; both are crystalline forms of the element carbon. 
C) The graphite lubricated shearing movements along a fault, causing a schist to form. 
D) The pre- metamorphic rock was a shale or mudstone containing organic matter. 
A) The schist formed from a quartz- rich, sedimentary limestone. 
B) The rock also contains diamonds; both are crystalline forms of the element carbon. 
C) The graphite lubricated shearing movements along a fault, causing a schist to form. 
D) The pre- metamorphic rock was a shale or mudstone containing organic matter.

Question 11

_________forms from the metamorphism of limestone or dolostone.

Accepted Answer

A) Migmatite 
B) Quartzite 
C) Amphibolite 
D) Marble 
A) Migmatite 
B) Quartzite 
C) Amphibolite 
D) Marble

Question 12

Which metamorphic rock or rocks exhibit alternating layers or bands of different light- and dark- colored minerals?

Accepted Answer

The answer of Which metamorphic rock or rocks exhibit alternating...

Question 13

_________is a nonfoliated rock formed by contact metamorphism of a shale or mudstone.

Accepted Answer

A) Hornfels 
B) Gneiss 
C) Schist 
D) Marble 
A) Hornfels 
B) Gneiss 
C) Schist 
D) Marble

Question 14

Give the name of a rock formed by regional metamorphism of a conglomerate.

Accepted Answer

The answer of Give the name of a rock formed...

Question 15

During metamorphism, what is the major effect of chemically active fluids?

Accepted Answer

A) They aid in the movement of dissolved silicate constituents and facilitate growth of the mineral grains. 
B) They increase the pressures in deeply buried, regional- metamorphic zones. 
C) They prevent partial melting so solid rocks can undergo very high temperature regional metamorphism. 
D) They facilitate the formation of schistosity and gneissic banding in hornfels and slates. 
A) They aid in the movement of dissolved silicate constituents and facilitate growth of the mineral grains. 
B) They increase the pressures in deeply buried, regional- metamorphic zones. 
C) They prevent partial melting so solid rocks can undergo very high temperature regional metamorphism. 
D) They facilitate the formation of schistosity and gneissic banding in hornfels and slates.

Question 16

What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?

Accepted Answer

A) feldspars 
B) quartz 
C) carbonates 
D) micas 
A) feldspars 
B) quartz 
C) carbonates 
D) micas

Question 17

_________is thought to form by partial melting and in situ crystallization of the melted portion.

Accepted Answer

A) Migmatite 
B) Megatite 
C) Magnetite 
D) Magmatite 
A) Migmatite 
B) Megatite 
C) Magnetite 
D) Magmatite

Question 18

What term describes the zone of contact metamorphism surrounding an intrusive magma body?

Accepted Answer

A) aureole 
B) aura 
C) auricle 
D) oracle 
A) aureole 
B) aura 
C) auricle 
D) oracle

Question 19

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

Accepted Answer

A) schist, slate, phyllite 
B) phyllite, slate, schist 
C) slate, phyllite, schist 
D) slate, schist, phyllite 
A) schist, slate, phyllite 
B) phyllite, slate, schist 
C) slate, phyllite, schist 
D) slate, schist, phyllite

Question 20

Which of the following statements concerning slate is NOT true?

Accepted Answer

A) Rock cleavage is common. 
B) It forms from shales and mudstones. 
C) Sedimentary features may be visible. 
D) It has abundant, coarse- grained mica. 
A) Rock cleavage is common. 
B) It forms from shales and mudstones. 
C) Sedimentary features may be visible. 
D) It has abundant, coarse- grained mica.

Which low- grade metamorphic rock, composed of extremely fine- sized mica and other mineral grains, typically exhibits well- developed rock cleavage?

What foliated, metamorphic rock is texturally intermediate between slate and schist?

Which of the following is not necessary for the formation of metamorphic rock?

What type of stress (pressure)is illustrated in diagram B above?

What type of stress (pressure)is illustrated in diagram A above?

What strongly banded, metamorphic rocks show good evidence for having formed by partial melting?

Which of the following best describes the conditions of contact metamorphism?

What metamorphic rock forms by intense ductile deformation along fault zones at depth in the Earth?

Which metamorphic rock, widely used for monuments and buildings, would deteriorate significantly in contact with acid rain?

Graphite is identified in a particular schist. Which one of the following conclusions is justified?

_________forms from the metamorphism of limestone or dolostone.

Which metamorphic rock or rocks exhibit alternating layers or bands of different light- and dark- colored minerals?

_________is a nonfoliated rock formed by contact metamorphism of a shale or mudstone.

Give the name of a rock formed by regional metamorphism of a conglomerate.

During metamorphism, what is the major effect of chemically active fluids?

What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?

_________is thought to form by partial melting and in situ crystallization of the melted portion.

What term describes the zone of contact metamorphism surrounding an intrusive magma body?

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

Which of the following statements concerning slate is NOT true?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters

Exam 8: Metamorphism and Metamorphic Rocks

Which low- grade metamorphic rock, composed of extremely fine- sized mica and other mineral grains, typically exhibits well- developed rock cleavage?

What foliated, metamorphic rock is texturally intermediate between slate and schist?

Which of the following is not necessary for the formation of metamorphic rock?

What type of stress (pressure)is illustrated in diagram B above?

What type of stress (pressure)is illustrated in diagram A above?

What strongly banded, metamorphic rocks show good evidence for having formed by partial melting?

Which of the following best describes the conditions of contact metamorphism?

What metamorphic rock forms by intense ductile deformation along fault zones at depth in the Earth?

Which metamorphic rock, widely used for monuments and buildings, would deteriorate significantly in contact with acid rain?

Graphite is identified in a particular schist. Which one of the following conclusions is justified?

_________forms from the metamorphism of limestone or dolostone.

Which metamorphic rock or rocks exhibit alternating layers or bands of different light- and dark- colored minerals?

_________is a nonfoliated rock formed by contact metamorphism of a shale or mudstone.

Give the name of a rock formed by regional metamorphism of a conglomerate.

During metamorphism, what is the major effect of chemically active fluids?

What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?

_________is thought to form by partial melting and in situ crystallization of the melted portion.

What term describes the zone of contact metamorphism surrounding an intrusive magma body?

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

Which of the following statements concerning slate is NOT true?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters