Mining Geology - Study Mode
[#296] Mineral of economic value, repays extraction from the earth
Correct Answer
(A) Mineral deposit
[#297] Coal is formed in the order of
Correct Answer
(C) Peat, lignite, bituminous, anthracite
[#298] Specific gravity of plagioclase felspars
Correct Answer
(C) 2.6
[#299] Weak plain found in minerals called
Correct Answer
(C) Cleavage
[#300] Vast cloud of hot gas from which different planets are originated known as
Correct Answer
(C) Nebula