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Questions and Answers
What is the term for a positively charged particle emitted by certain radioactive materials?
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?
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?
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?
Which term represents an arch or fold in rock layers resembling the crest of a wave?
What is the process of grinding ore using large pieces of the ore itself in a rotating cylinder instead of steel balls or rods?
What is the process of grinding ore using large pieces of the ore itself in a rotating cylinder instead of steel balls or rods?
Which term refers to the inorganic residue left after coal ignition?
Which term refers to the inorganic residue left after coal ignition?
What is the main cause of acidic precipitation?
What is the main cause of acidic precipitation?
What type of rock carries a high proportion of silica?
What type of rock carries a high proportion of silica?
What does acid mine drainage refer to?
What does acid mine drainage refer to?
What is an adit used for in mining?
What is an adit used for in mining?
What is the function of an aerial magnetometer?
What is the function of an aerial magnetometer?
What is the purpose of an alloy?
What is the purpose of an alloy?
