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

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 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