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ibraheem98ahmad

13.1 minerals and rocks

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Rock
a naturally formed formed solid made of one or more mineral
Mineral
a solid inorganic object with a definite chemical composition
rock cycle
an idealized cycle of processes undergone by rocks in the earth’s crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.
precipitation
the action or process of precipitating a substance from a solution.
polymorph
an organism or inorganic object or material that takes various forms.
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5 terms

ibraheem98ahmad

13.1 minerals and rocks

STUDY

PLAY

Rock
a naturally formed formed solid made of one or more mineral
Mineral
a solid inorganic object with a definite chemical composition
rock cycle
an idealized cycle of processes undergone by rocks in the earth’s crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.
precipitation
the action or process of precipitating a substance from a solution.
polymorph
an organism or inorganic object or material that takes various forms.
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26 terms

JSchockSHS

13.1 Minerals, Rocks & 13.2 Mining

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What is mining?
breaking into the ground to gain access to minerals, fossil fuel, or water, and extracting them.
What are the resources which are mined used for?
Building materials, wiring, appliances, clothing, fertilizers, among many other goods.
what is a main goal of mining?
to locate areas of concentrated resources.
Define ore
contains a mineral or group of minerals that is mined so that a metal or metals can be removed.
What are ores a mixture of?
desired materials and rocky materials that have no value, which is discarded.
What are the top 6 most valuable metals which are removed from ores?
Copper, iron, lead, gold, silver and aluminum
What is the metal that is used in high-tech devices?
tantalum
What type of ore contains the mineral tantalite?
coltan
What are two (2) valuable construction materials, that are not mined for the aluminum or iron they contain?
Sand and gravel
What substances are mined to use as fuel?
uranium, coal, petroleum, natural gas, oil sands, and methane hydrates, as well as groundwater
What property of minerals is least reliable when comparing and identifying samples of minerals?
color
What property of a mineral is the color of its powder?
Streak
What is the property of a mineral that is described as how the light is reflected from a mineral’s surface?
luster
When a mineral is broken easily along a smooth, flat surface, geologist refer to this as a mineral’s…
cleavage
What are the four ways minerals form?
Crystallization from magma or lava, precipitation, pressure and temperature changes, or produced by organisms
What do mining companies mine for?
minerals, metals, fuels and water
When a mining company is seeking materials that are distributed in shallow, horizontal deposits near the surface, they are mining using what method?
strip mining
What types of resources are mined using the strip mining method?
coal, sand and gravel
What types of resources are mined using the subsurface mining method?
metals such as zinc, lead, nickel, tin, gold, copper, and uranium, and nonmetallic minerals such as diamonds, phosphate, and salt. Coal is also Mined using this technique.
What types of resources are mined using the open pit mining method?
copper, iron, gold, diamonds, and coal among other resources. Similar methods are used to extract clay, gravel, sand, limestone, granite, marble, and slate.
What types of resources are mined using the mountaintop removal method?
coal
The process used when miners use large machines similar to vacuum cleaners to collect sand and gravel from the sea floor.
dredging
Miners sometimes pump a chemical solution into a mine to leach the desired resource from the ore. This is know as?
Solution mining
What to the process of heating ore beyond its melting point and combining it with other metals or chemicals?
smelting
Weathering and other geologic processes can cause metals and gems to break free from their rocky origins. The loose pieces may be carried along by river currents and deposited in riverbeds. Miner will sift through material in modern or ancient riverbed deposits. This is known as?
placer mining
What are the negative impacts of mining on the environment and society?
destroys landscapes, dust and noise pollution,
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