Chapter 14: Geology and Nonrenewable Mineral Resources

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Phosphate salts

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91 Terms

1

Phosphate salts

Mined and used in inorganic fertilizers and some detergents.

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2

Gravel

Used for roadbeds and to make concrete.

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3

Igneous

Forms below the earths surface when magma wells up from the earths upper mantle or deep crust and then cools and hardens.

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4

Metamorphic

Forms when preexisting rock is subjected to high temperatures, high pressures, chemically active fluids, or a combination of these, which.

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5

Richter Scale

Used to measure earthquake intensity.

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6

Open Pit Mining

Machines dig a massive hole and remove ores.

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7

Surface Mining

Used to harvest shallow deposits.

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8

Transform boundaries

continental or ocean plates slide past one another.

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9

Geology

Dynamic processes taking place on the earths surface and in the earths interior.

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10

Subduction Zone

The continental plate rides up over the cooler, denser, oceanic plate and pushes it down into the mantle.

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11

Mineral resource

Can be extracted from the earths crust and processed into raw materials and products at an affordable cost.

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12

Recycling and Reusing

Lower environmental impact than mining and processing metals from ores.

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13

Platinum

Electronics, catalyst in industry, and in automobile pollution control converters.

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14

Epicenter

Found directly above the focus on the earths surface.

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15

Hydraulic Mining

Sing water cannons to wash entire hillsides into collection boxes.

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16

Materials revolution

Ceramics, high- strength plastics.

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17

Aftershocks Foreshocks

Tremors after or before an earthquake.

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18

Gold

Electrical equipment, jewelry, coins, medical implants, and as a catalyst to speed up certain chemical reactions.

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19

Acid mine drainage

Rainwater seeps through the mine or spoil pile and carries sulfuric acid (from bacteria acting on iron sulfide)

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20

Erosion

Wind, flowing water, human activities, glaciers.

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21

Reserves

Identified resources from which the mineral can be extracted profitably at current prices.

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22

Tailings

The unused materials left on land from dredging ore deposits from streams.

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23

Cr

An essential ingredient of stainless steel.

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24

Sedimentary

Made of sediments- dead plant and animal remains and existing rocks that are eroded and weathered into tiny particles.

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25

Subsidence

___Collapse of land above mines.

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26

Steel

Alloy of Fe, and other elements such as Mn, Co, Mo, and Cr.

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27

Spoils

Overburden discarded as waste material.

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28

Mountaintop Removal

Use of explosives, large power shovels, and huge machines to remove tops of mountains.

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29

Asthenosphere

Hot partly melted rock that flows and can be deformed like soft plastic.

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30

Subsurface Mining

Used to harvest deep deposits.

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31

Geology

Dynamic processes taking place on the earths surface and in the earths interior

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32

Core

Earths innermost zone (solid inner part, surrounded by a liquid core of molten rock)

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33

Mantle

Thick, solid rock zone surrounding the core

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34

Asthenosphere

Hot partly melted rock that flows and can be deformed like soft plastic

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35

Crust

Outermost & thinnest zone

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36

Lithosphere

The outermost part of the mantle and continental crust oceanic crust

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37

Divergent boundaries

When ocean plates move apart allowing molten material to flow up through the cracks creating oceanic ridges

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38

Convergent boundaries

ocean plates collide with continental plates

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39

Subduction Zone

the continental plate rides up over the cooler, denser, oceanic plate and pushes it down into the mantle

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40

Transform boundaries

continental or ocean plates slide past one another

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41

Internal geologic processes

Generally build up the earths surface

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42

External geologic processes

Directly or indirectly driven by energy from the sun, wind, flowing water, and glaciers which all contribute to erosion and are influenced by gravity

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43

Weathering

Physical, chemical, and biological

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44

Erosion

Wind, flowing water, human activities, glaciers

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45

1991

Eruption of Mount Pinatubo

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46

Focus

A place where an earthquake begins below the earths surface

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47

Epicenter

Found directly above the focus on the earths surface

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48

Magnitude

A measure of ground motion indicated by the size of the seismic waves

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49

Richter Scale

Used to measure earthquake intensity

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50

Aftershocks/Foreshocks

Tremors after or before an earthquake

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51

Tsunami

Series of large waves generated when part of the ocean floor suddenly rises or drops

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52

December 2004

Indian Ocean tsunami

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53

Minerals

Element or inorganic compound in earths crust

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54

Rock

Combination of one or more minerals

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55

Igneous

Forms below the earths surface when magma wells up from the earths upper mantle or deep crust and then cools and hardens

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56

Metamorphic

Forms when preexisting rock is subjected to high temperatures, high pressures, chemically active fluids, or a combination of these, which

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57

Mineral resource

Can be extracted from the earths crust and processed into raw materials and products at an affordable cost

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58

Metallic minerals

aluminum, gold

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59

Nonmetallic minerals

sand, limestone

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60

Ore

Rock that contains large concentrations of a particular mineral (often metal)

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61

High-grade Ore

Contains large amounts of desired nonrenewable resources

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62

Low-grade Ore

Contains a small amount of desired nonrenewable resources

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63

Aluminum

Packaging, structural material

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64

Steel

Alloy of Fe, and other elements such as Mn, Co, Mo, and Cr

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65

Copper

Electrical and communications

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66

Platinum

Electronics, catalyst in industry, and in automobile pollution control converters

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67

Gold

Electrical equipment, jewelry, coins, medical implants, and as a catalyst to speed up certain chemical reactions

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68

Sand

Primarily SiO2 or silicon dioxide

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69

Gravel

Used for roadbeds and to make concrete

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70

Limestone

Mostly CaCO3 or calcium carbonate

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71

Phosphate salts

Mined and used in inorganic fertilizers and some detergents

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72

Reserves

Identified resources from which the mineral can be extracted profitably at current prices

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73

Surface Mining

Used to harvest shallow deposits

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74

Subsurface Mining

Used to harvest deep deposits

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75

Open Pit Mining

Machines dig massive holes and remove ores

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76

Strip Mining

Used for extracting deposits that lie close to the earths surface and lie in horizontal beds

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77

Area Strip Mining

Used where the terrain is fairly flat

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78

Contour Strip Mining

Used where the terrain is hilly or mountainous

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79

Mountaintop Removal

Use of explosives, large power shovels, and huge machines to remove tops of mountains

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80

Hydraulic Mining

Sing water cannons to wash entire hillsides into collection boxes

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81

Overburden

Soil and rock overlying a useful mineral deposit

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82

Spoils

Overburden discarded as waste material

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83

Tailings

The unused materials left on land from dredging ore deposits from streams

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84

Subsidence

Collapse of land above mines

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85

Acid mine drainage

Rainwater seeps through the mine or spoil pile and carries sulfuric acid (from bacteria acting on iron sulfide)

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86

Smelting

Uses heat or chemicals

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87

Depletion time

time to use a certain portion of reserves

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88

Materials revolution

Ceramics, high-strength plastics

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89

Pt

Industrial catalyst

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90

Cr

An essential ingredient of stainless steel

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91

Recycling and Reusing

Lower environmental impact than mining and processing metals from ores

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