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3.1 Introduction to Hard Rock Mining

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BrighterJadeite3904
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10 Questions

What type of mineral deposits are typically found in igneous intrusions?

Ferro-alloy metals

Which mineral deposits are associated with sea water extraction?

Salt

What type of deposits are formed by slow crystallization at high temperatures and pressures?

Pegmatite deposits

Which mineral is typically associated with chemically deposited sedimentary deposits?

Sulphur

What type of mineral deposits are usually found in metamorphic rocks?

Graphite

Rust-colored rocks or soil are always an indication of the presence of metallic minerals.

False

Most sulphide mineral deposits are not associated with quartz veins.

False

Dykes are long thin bodies of metamorphic rock that flowed into cracks in older rocks.

False

Shear zones are places of weakness or breaks in the earth's crust through which mineralized solutions may have been channeled.

True

All type of gold and silver can be definitely determined without an assay test.

False

This quiz covers the basic concepts of hard rock mining, including the geological characteristics of hard rock deposits and the definition of ore. Learn about the differences between soft rock and hard rock mining.

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