A. Bituminous, peat, anthracite, lignite
B. Peat, lignite, anthracite, bituminous
C. Peat, lignite, bituminous, anthracite
D. Lignite, peat, bituminous, anthracite
Answer: Option C
This Question Belongs to Mining Engineering >> Mining Geology
On the basis of which content the igneous rocks are classified as acid rocks and basic rocks?
A. Magnetite
B. Hematite
C. Bauxite
D. Silica
Origin of Solar System divided in two groups, which are
A. Evolutionary and catastrophic
B. Nebula and gaseous tidal hypo
C. Jeansand Jeffires
D. A and B both
A. Attrition
B. Deflation
C. Denudation
D. Mantle
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