General Awareness ยท Geography
Minerals and Ores
1,185 Questions
Minerals and ores encompass the extraction, identification, and economic significance of naturally occurring crystalline substances. Topics cover specific ores like cinnabar and bauxite, alongside global mineral resource distribution. Candidates preparing for general awareness and geography sections should review these questions to master regional and global mineral reserves.
Ore identificationMineral extractionGlobal mineral reservesIndustrial minerals
Minerals and Ores Questions
Which mineral is commonly used in jewelry and is known for its blue color?
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Sapphire
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Emerald
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Ruby
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Topaz
A
Correct answer
Explanation
Sapphire is a variety of the mineral corundum and is known for its blue color, although it can also be found in other colors.
Which mineral is known for its cubic shape and is commonly used in electronics?
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Diamond
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Pyrite
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Galena
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Halite
B
Correct answer
Explanation
Pyrite is an iron sulfide mineral that often forms in cubic crystals and is commonly known as "fool's gold" due to its resemblance to gold.
Which mineral is commonly used in the production of steel?
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Hematite
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Magnetite
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Limonite
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Siderite
A
Correct answer
Explanation
Hematite is an iron oxide mineral that is the primary source of iron for steel production.
What is the name of the mineral that is known for its green color and is commonly used in jewelry?
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Emerald
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Peridot
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Jade
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Malachite
A
Correct answer
Explanation
Emerald is a variety of the mineral beryl and is known for its deep green color.
What is the name of the mineral that is commonly used in the production of cement?
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Limestone
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Clay
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Sand
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Gypsum
A
Correct answer
Explanation
Limestone is the primary component of cement, providing the calcium carbonate needed for its production.
Which mineral is known for its ability to glow in the dark?
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Fluorite
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Calcite
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Gypsum
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Sphene
A
Correct answer
Explanation
Fluorite is a mineral that exhibits fluorescence, causing it to glow in the dark when exposed to ultraviolet light.
What is the name of the mineral that is commonly used in the production of aluminum?
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Bauxite
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Hematite
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Magnetite
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Limonite
A
Correct answer
Explanation
Bauxite is the primary ore of aluminum and is the main source of this metal.
Which mineral is known for its ability to conduct electricity?
C
Correct answer
Explanation
Copper is a good conductor of electricity and is widely used in electrical wiring and components.
Which mineral is known for its ability to refract light?
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Diamond
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Quartz
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Topaz
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Fluorite
A
Correct answer
Explanation
Diamond has a high refractive index, causing light to bend significantly when passing through it, resulting in its characteristic sparkle.
Which of the following is NOT a common method of mineral mining?
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Surface mining
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Underground mining
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Placer mining
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Fracking
D
Correct answer
Explanation
Fracking is a method used to extract natural gas and oil from underground, not minerals.
Which mineral is commonly mined using the open-pit mining method?
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Gold
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Copper
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Coal
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Diamonds
C
Correct answer
Explanation
Open-pit mining is commonly used to extract coal, as it is found near the surface and can be easily accessed.
What is the term used to describe the process of extracting minerals from the Earth's crust?
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Mining
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Quarrying
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Excavation
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Extraction
A
Correct answer
Explanation
Mining is the process of extracting minerals from the Earth's crust, typically through the use of specialized equipment and techniques.
Which mineral is commonly mined using the placer mining method?
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Gold
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Silver
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Copper
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Iron ore
A
Correct answer
Explanation
Placer mining is a method used to extract gold from alluvial deposits, such as riverbeds or beaches.
What is the term used to describe the process of extracting minerals from underground?
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Surface mining
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Underground mining
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Placer mining
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Quarrying
B
Correct answer
Explanation
Underground mining is the process of extracting minerals from underground, typically through the use of shafts, tunnels, and other underground workings.
Which mineral is commonly mined using the underground mining method?
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Gold
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Copper
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Coal
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Iron ore
A
Correct answer
Explanation
Underground mining is commonly used to extract gold, as it is often found in veins or deposits that are located deep underground.