71. Standstone is original rock, find its metamoric rock
72. Cement manufacture uses 1 te of coal for getting . . . . . . . . te of cement.
73. Specific gravity of magnetite
74. Augite also called
75. Bed thins out irregulary, due to erosion by river, roof of bed filled up with sand or other called
76. Exact spot underneath the earth's surface at which earth quake ogiinates
77. The conversion of remains of plants, animals in to rock is known as in palaeontology
78. Coal should have HGI of used for boilers
79. Trough or depression in a seam called
80. Coal which is capable of carbonisation is said to possess the property.
Read More Section(Mining Geology)
Each Section contains maximum 100 MCQs question on Mining Geology. To get more questions visit other sections.