Question 1

Oxygen,silicon and aluminum are the three most abundant chemical elements within earth's crust.Why,then is aluminum recycled?

Accepted Answer

A)  To reduce the consumption of electrical energy relative to that which is needed to extract aluminum from ore 
B)  Because aluminum is a precious metal 
C)  Even though aluminum is abundant in the crust, most of it is within seafloor crust and consequently difficult to obtain 
D)  All of these reasons are true. 
A)  To reduce the consumption of electrical energy relative to that which is needed to extract aluminum from ore 
B)  Because aluminum is a precious metal 
C)  Even though aluminum is abundant in the crust, most of it is within seafloor crust and consequently difficult to obtain 
D)  All of these reasons are true. A

Question 2

Which of these are metallic and also serve as ore minerals

Accepted Answer

A)  Pyrite. 
B)  Galena. 
C)  Magnetite. 
D)  Hematite. 
E)  All the choices are correct. 
A)  Pyrite. 
B)  Galena. 
C)  Magnetite. 
D)  Hematite. 
E)  All the choices are correct. E

Question 3

New methods in mineral exploration include

Accepted Answer

A)  Geophysical techniques. 
B)  Geochemical propecting. 
C)  Remote sensing. 
D)  All the choices are correct. 
A)  Geophysical techniques. 
B)  Geochemical propecting. 
C)  Remote sensing. 
D)  All the choices are correct. D

Question 4

A problem with substituting plastics for metals,to conserve the metals is that many plastics are made from our limited supply of oil.

Accepted Answer

A) True 
 B)False

Question 5

Reserves,by definition,must be all of the following except

Accepted Answer

A)  Identified ore deposits. 
B)  Exploitable with current technology. 
C)  Economically profitable to mine at present. 
D)  All rock types that are likely to host as yet undiscovered ore. 
A)  Identified ore deposits. 
B)  Exploitable with current technology. 
C)  Economically profitable to mine at present. 
D)  All rock types that are likely to host as yet undiscovered ore.

Question 6

An felsic igneous rock with very large crystals,often enriched in rarer elements is

Accepted Answer

A)  Granitic pegmatite. 
B)  Porphyry. 
C)  Kimberlite. 
D)  Peridotite. 
A)  Granitic pegmatite. 
B)  Porphyry. 
C)  Kimberlite. 
D)  Peridotite.

Question 7

Evaporite deposits are examples of

Accepted Answer

A)  Igneous mineral deposits. 
B)  Sedimentary mineral deposits. 
C)  Metamorphic mineral deposits. 
D)  None of the choices are correct. 
A)  Igneous mineral deposits. 
B)  Sedimentary mineral deposits. 
C)  Metamorphic mineral deposits. 
D)  None of the choices are correct.

Question 8

Ore deposits of dense minerals concentrated by stream action are

Accepted Answer

A)  Evaporates. 
B)  Placers. 
C)  Hydrothermal. 
D)  Metamorphic. 
A)  Evaporates. 
B)  Placers. 
C)  Hydrothermal. 
D)  Metamorphic.

Question 9

U.S.stockpiling of strategically important minerals may,in the near term,require the country to increase some mineral imports.

Accepted Answer

A) True 
 B)False

Question 10

There are sulfide ores being deposited now at spreading ridges.

Accepted Answer

A) True 
 B)False

Question 11

Spoil banks and tailings piles

Accepted Answer

A)  Typically weather very rapidly. 
B)  Are unsightly but not hazardous. 
C)  Can be eliminated by putting them back into the underground mines from which they came. 
D)  All of the choices are correct. 
A)  Typically weather very rapidly. 
B)  Are unsightly but not hazardous. 
C)  Can be eliminated by putting them back into the underground mines from which they came. 
D)  All of the choices are correct.

Question 12

All of the following are commonly mined from sulfide ores except

Accepted Answer

A)  Copper. 
B)  Aluminum. 
C)  Lead. 
D)  Zinc. 
A)  Copper. 
B)  Aluminum. 
C)  Lead. 
D)  Zinc.

Question 13

The success of mine reclamation is often heavily dependent on availability of water.

Accepted Answer

A) True 
 B)False

Question 14

Weathering in tropical climates can produce residual ores rich in

Accepted Answer

A)  Calcite and quartz. 
B)  Feldspar and mica. 
C)  Sulfur and sulfide ores. 
D)  Iron and aluminum. 
A)  Calcite and quartz. 
B)  Feldspar and mica. 
C)  Sulfur and sulfide ores. 
D)  Iron and aluminum.

Question 15

Some materials such as road salt and phosphorous and potash in fertilizers cannot be recovered.

Accepted Answer

A) True 
 B)False

Question 16

The link between plate tectonics and formation of mineral deposits has made the search for new ores more efficient.

Accepted Answer

A) True 
 B)False

Question 17

Most major iron ore deposits are hydrothermal deposits formed early in the earth's history.

Accepted Answer

A) True 
 B)False

Question 18

When metal prices rise sharply,this spurs immediate development of new mines,which then begin production in a year or two.

Accepted Answer

A) True 
 B)False

Question 19

Wallboard (Sheetrock)is made from gypsum.

Accepted Answer

A) True 
 B)False

Question 20

Conflict diamonds.

Accepted Answer

A)  Are those mined in countries as a principal source of revenue for weapons for use by rebels in opposition to sitting governments 
B)  Are those that display two different colors depending on the direction in which they are viewed 
C)  Are those that represent the primary assets of a country that are surrendered to the victor in a war between nations 
D)  Are those that have a substantially reduced hardness in one crystal direction in comparison to other crystal directions 
A)  Are those mined in countries as a principal source of revenue for weapons for use by rebels in opposition to sitting governments 
B)  Are those that display two different colors depending on the direction in which they are viewed 
C)  Are those that represent the primary assets of a country that are surrendered to the victor in a war between nations 
D)  Are those that have a substantially reduced hardness in one crystal direction in comparison to other crystal directions

Oxygen,silicon and aluminum are the three most abundant chemical elements within earth's crust.Why,then is aluminum recycled?

Which of these are metallic and also serve as ore minerals

New methods in mineral exploration include

A problem with substituting plastics for metals,to conserve the metals is that many plastics are made from our limited supply of oil.

Reserves,by definition,must be all of the following except

An felsic igneous rock with very large crystals,often enriched in rarer elements is

Evaporite deposits are examples of

Ore deposits of dense minerals concentrated by stream action are

U.S.stockpiling of strategically important minerals may,in the near term,require the country to increase some mineral imports.

There are sulfide ores being deposited now at spreading ridges.

Spoil banks and tailings piles

All of the following are commonly mined from sulfide ores except

The success of mine reclamation is often heavily dependent on availability of water.

Weathering in tropical climates can produce residual ores rich in

Some materials such as road salt and phosphorous and potash in fertilizers cannot be recovered.

The link between plate tectonics and formation of mineral deposits has made the search for new ores more efficient.

Most major iron ore deposits are hydrothermal deposits formed early in the earth's history.

When metal prices rise sharply,this spurs immediate development of new mines,which then begin production in a year or two.

Wallboard (Sheetrock)is made from gypsum.

Conflict diamonds.

Planet and Population: An Overview

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters

Exam 13: Mineral and Rock Resources

Oxygen,silicon and aluminum are the three most abundant chemical elements within earth's crust.Why,then is aluminum recycled?

Which of these are metallic and also serve as ore minerals

New methods in mineral exploration include

A problem with substituting plastics for metals,to conserve the metals is that many plastics are made from our limited supply of oil.

Reserves,by definition,must be all of the following except

An felsic igneous rock with very large crystals,often enriched in rarer elements is

Evaporite deposits are examples of

Ore deposits of dense minerals concentrated by stream action are

U.S.stockpiling of strategically important minerals may,in the near term,require the country to increase some mineral imports.

There are sulfide ores being deposited now at spreading ridges.

Spoil banks and tailings piles

All of the following are commonly mined from sulfide ores except

The success of mine reclamation is often heavily dependent on availability of water.

Weathering in tropical climates can produce residual ores rich in

Some materials such as road salt and phosphorous and potash in fertilizers cannot be recovered.

The link between plate tectonics and formation of mineral deposits has made the search for new ores more efficient.

Most major iron ore deposits are hydrothermal deposits formed early in the earth's history.

When metal prices rise sharply,this spurs immediate development of new mines,which then begin production in a year or two.

Wallboard (Sheetrock)is made from gypsum.

Conflict diamonds.

Planet and Population: An Overview

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters