The Solid Earth - Chapter 1: Resources from Rocks and Minerals

Question 1

A name for a banded texture that will have an orientation perpendicular to the direction of compressional force

Answer 1

Foliated

Question 2

The name for metamorphic rocks that do not have a foliated texture

Answer 2

Nonfoliated texture

Question 3

A rock resulting of calcite crystals combining to form large interlocking crystals

Answer 3

Marble

Question 4

True or false: new minerals can be introduced as part of the metamorphic process

Answer 4

True

Question 5

name for hot water

Answer 5

hydrothermal

Question 6

Many metallic ore deposits are formed by the precipitation of minerals from _____ solutions

Answer 6

hydrothermal

Question 7

A very fine grained foliated rock composed of minute mica flakes

Answer 7

Slate

Question 8

This is most often generated by the low grade metamorphism of shale

Answer 8

Slate

Question 9

Strongly foliated rocks, formed by regional metamorphism

Answer 9

Schists

Question 10

Describes the texture of a rock regardless of composition, unless the composition is specifically included in the rock name

Answer 10

Schist

Question 11

Schists that are composed primarily of muscovite and biotite

Answer 11

mica schists

Question 12

the term applied to banded metamorphic rock that contains mostly elongated and granular minerals

Answer 12

Gneiss

Question 13

Most common two abundant minerals found in gneiss

Answer 13

Feldspar

Quartz

Question 14

A course crystalline rock whose parent rock is limestone

Answer 14

Marble

Question 15

Pure marble is what color?

Answer 15

White

Question 16

Marble is composed of (large/small) interlocking crystals

Answer 16

Large

Question 17

Two types of gemstones

Answer 17

Precious

Semi-precious

Question 18

Four qualities of a precious gem

Answer 18

beauty
durability
size
rarity

Question 19

the type of surface mine through which gravel is extracted

Answer 19

quarry

Question 20

____ mining is employed when a resource such as coal occurs near the surface in flat laying layers

Answer 20

Strip

Question 21

A very hard metamorphic rock most often formed from quartz sandstone

Answer 21

Quartzite

Question 22

The endowment of useful minerals ultimately available commerically

Answer 22

mineral resources

Question 23

already-identified deposits from which minerals can be extracted profitably

Answer 23

reserves

Question 24

useful metallic mineral that can be mined at a profit

Answer 24

ore

Question 25

To be considered of value, an element must be concentrated above the level of its ____ ____ _____

Answer 25

average crustral abundance

Question 26

When mobile hot fluids migrate great distances through the surrounding rock before deposition, cooling along the way and precipitating the metallic ions to produce ____ ____

Answer 26

vein deposits

Question 27

A type of accumulation generated by hydrothermal activity and distributed as minute masses

Answer 27

disseminated deposit