Question 26 What is the most likely parent rock of SLATE? mudrock or shale quartz sandstone schist dolostone Question 27 Which of the following rocks are metamorphic and foliated with slaty c

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Question 26

What is the most likely parent rock of SLATE?

mudrock or shale

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quartz sandstone

schist

dolostone

Question 27

Which of the following rocks are metamorphic and foliated with slaty cleavage?

Note:  There may be more than one correct answer [ hint – there are 2 correct answers only].

Phyllite

Quartzite

Marble

Gneiss

Slate

Question 28

What is the term for very large grains in metamorphic rocks that are surrounded by a finer grained matrix of other minerals?

clasts

pyroclasts

coprolites

porphyroblasts

Question 29

Foliated metamorphic rocks can form, when an igneous or sedimentary or metamorphic rock is subjected to ___________________.

[choose two correct answers]

high temprature

direct pressure

little pressure

shear stress

Question 30

Which is NOT an indication that a rock is foliated?

slaty cleavage

fused grains

banding

a wavy or crinkled appearance

Question 31

Quartzite is __________________ than quartz.

harder

clearer

more foliated

denser

Question 32

Which is the correct order of foliated metamorphic rocks from LOW-GRADE to HIGH-GRADE?

gneiss, slate, phyllite, schist

schist, gneiss, phyllite, slate

slate, phyllite, schist, gneiss

phyllite, schist, slate, gneiss

Question 33

REGIONAL METAMORPHISM is _________________?

A. the “source” of the greatest volume of metamorphic rocks

B. produced during mountain building

C. common at subducting or convergent plate boundaries

D. all of the listed answers E. A and B

Question 34

Most coal forms in _________?

fluvial or delta environments

beaches

ocean

dunes

Question 35

Which is NOT a metamorphic setting?

the area around a magma intrusion

a mountain valley

subduction zone

a continent-continent collision

Question 36

A metamorphic rock that displays PARALLEL ALIGNMENT OF PLATY OR ELONGATE MINERALS is__________________? __________________________

[ note: in this rock the temperature has been hot enough so that individual mica crystals are visible]

gneiss

slate

schist

marble

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