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APSC 151 week 9/10 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions
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APSC 151 week 9/10 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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  • August 4, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • apsc 151 week 910 questions answers 100 sco

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APSC 151 week 9/10 | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions

natural aggregate - crushed stone, sand, and gravel

-used to make concrete and graval



how are diamonds brought to surface - they are made in the mantle

they come up through a kimberlite pipe and out of a crater



what is ore - metallic minerals that can be mined at a profit

-a solid, naturally occuring mineral aggregate of economic interest from which one or more valuable
constituents may be recovered



what does bauxite ore produce - aluminum



define geochemistry - looking for indicator minerals in the soil and rock and using elemental isotopes to
examine history



mineral resource - elements, chemical compounds, minerals, or rocks concentrated in a form that can
be extracted to obtain a usable commodity



ore reserve - CONFIRMED portion of resource that can be extracted for a profit



confirmation drilling - drilling cores in order to determine underground composition



how much core is required to determine feasibility of a mine - 75-150 km of core



what is the main factor in creating mineral deposits - plate techtonics

-elements in mante are concentrated through cooling of oceanic crust

-elements can be concentrated in magma that forms from crust subducting and remelting

, what mineral is produced in the Great Dyke Zimbabwe - chromite and chrome



what is epithermal deposit - when a mineral (gold or silver) is concentrated by a cooling of
supersaturated steam



Kimberlite Eruptions - violent eruption that brings diamonds from upper mantle to surface



placer deposits - deposit where ore has been eroded from one primary source, concentrated,
transported, and deposited elsewhere



mineral deposit - An abnormal concentration of minerals in the earth's crust



magmatic copper deposits - magma cools and heavier minerals crystalize earlier

-these concentrate on the bottom of the magma chamber

-orebodies often have platinum or gold as a secondary mineral



volcanogenic massive sulphiede - hydrothermal hot groundwater dissolved metals in the presence of
salt

-then hydrothermal fluids move along fractures, cool, and deposit the metals as orebodies



black smokers - seawater gushes from the seafloor and precipitates sulphide deposits



room and pillar - continuous miners carve out "rooms" from the coal seam and leave walls and pillars in
place to provide structural support

-for flat lying deposits from magmatic settling



Vertical Crater Retreat - vertical sections of ore are blasted out and collected at the bottom

the first columns are refilled and secondary stopes are made

- in canadian shield, mineral deposits have undergone compression and tilted vertically

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