Q. A coal seam is exposed on a horizontal ground. If it is 30° towards West. Its width of outcrop on a level ground is 360 m. What is its true thickness?

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Q. At a dam site, a bed of sandstone is exposed on horizontal ground. If it is 25° towards East. Its width of outcrop on a level ground is 240 m, what is its vertical thickness?

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Q. The study of outcrop dimensions doesn’t involve which of the following aspect?

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Q. Foliation is a primary structure of which type of rock?

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Q. The dip of a layer measured in the direction that is at the right angle to strike is _____________

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Q. The branch of geology which deals with various aspects of rocks is ________________

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Q. What are the two conditions believed to be required for the formation of igneous rocks?

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Q. What is the state of lava or magma?

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Q. Where are the volcanic rocks formed?

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Q. What is the grain size of volcanic rocks?

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Q. Magma is hypothetical melt.

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Q. The plutonic rocks are formed at depths below the earth’s surface ranging

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Q. The rock is coarse grained in __________

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Q. Pick the plutonic igneous rock.

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Q. The rocks which exhibit mixed characteristics of volcanic and plutonic rocks are __________

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Q. Porphyries are examples of which type of rocks?

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Q. Which is the most dominant constituent of igneous rock?

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Q. The mineral most abundantly present in the igneous rocks is __________

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Q. What is the approximate percentage of silica present in the igneous rocks?

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Q. Pick the option which does not determine the texture of igneous rocks.

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