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Acidic Precipitation, Rocks, and Mine Drainage Terms

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Acidic Precipitation, Rocks, and Mine Drainage Terms

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Questions and Answers

What is the term for a positively charged particle emitted by certain radioactive materials?

Gamma ray

Beta ray

Alpha ray (correct)

Delta ray

Which term refers to any physical or chemical change in a rock or mineral that occurs after its formation, but is milder and more localized than metamorphism?

Alteration (correct)

Amortization

ANFO

Amorphous

What type of coal contains a high percentage of fixed carbon and a low percentage of volatile matter?

Anthracite (correct)

Peat

Lignite

Bituminous

Which term represents an arch or fold in rock layers resembling the crest of a wave?

Anticline Signup and view all the answers

What is the process of grinding ore using large pieces of the ore itself in a rotating cylinder instead of steel balls or rods?

Autogenous grinding Signup and view all the answers

Which term refers to the inorganic residue left after coal ignition?

Ash Signup and view all the answers

What is the main cause of acidic precipitation?

Industrial activity releasing sulphur dioxide and nitric oxide gases Signup and view all the answers

What type of rock carries a high proportion of silica?

Acidic rock Signup and view all the answers

What does acid mine drainage refer to?

Acidic run-off water from mine waste dumps Signup and view all the answers

What is an adit used for in mining?

To access a mineral deposit Signup and view all the answers

What is the function of an aerial magnetometer?

To measure magnetic field strength from an airplane Signup and view all the answers

What is the purpose of an alloy?

To form a compound of two or more metals Signup and view all the answers