Fundamentals of Geology Mid - I, September - 2014

1.It is more or less parallel sided vertical wall of igneous rock formed due to upward intrusion of molten magma through fissures or cracks and is a common occurrence in coalfields.it is
  • Sill
  • Laccolith
  • Lava
  • dyke
Answer: D
2.It is the junction plane of one bed of rock with another
  • Conformity
  • Dip of bed
  • Strike of bed
  • Bedding plane
Answer: D
3.In respect of fault, the vertical displacement of the fractured bed is called
  • Heave
  • Hade
  • Throw of fault
  • Fault plane
Answer: C
4.The nature of eruption of volcano is principally guided by
  • Size of conduit
  • Physical and chemical character of magma
  • Crater
  • Volcanic cones
Answer: B
5.When axial plane of a fold is vertical and either of the limbs have the same amount of dip then such fold is described as
  • Asymmetric
  • Symmetric
  • Fan
  • Chevron
Answer: B
6.If it is found that a younger bed completely covers up and advances much beyond the limits of the underlying beds then the structure is called
  • Non-conformity
  • Overlap
  • Complexity
  • Netslip
Answer: B
7.The branch of geology that deals principally with the mode of occurrence, origin, distribution, classification and association of all minerals and rocks of economic importance is called
  • Engineering geology
  • Structural geology
  • Mineralogy
  • Economic geology
Answer: D
8.In metalliferrous deposit ,the ore minerals generally occur in association with some non-metallic minerals known as
  • Late magmatic mineral deposit
  • Cap rock
  • Ore shoots
  • Gangue
Answer: D
9.If granite is the original rock then what is its metamorphic rock?
  • Gneiss
  • Slate
  • Schist
  • Mica
Answer: A
10.It is an irregularity where the bed thins out generally due to erosion by river or stream. This is known as
  • Roll
  • Wash
  • Fold
  • Barren ground
Answer: B
11.The planet on which we live and move is a huge sphere of radius about _______________ .
Answer: 6400kms
12.As a result available from radioactive determinations in meteorites indicate the age of earth is atleast _______________ .
Answer: 4500 million years
13._________________ is the branch of geology which deals with the study of minerals.
Answer: mineralogy
14.he branch of geology dealing with the study of rocks is known as ________________ .
Answer: petrology
15.____________________ rocks are products of consolidation of magmas.
Answer: igneous
16._________________ is one of the agents which are responsible for metamorphism of the country rocks.
Answer: stress or pressure or temperature
17.The manganese ore deposit occurring in association with metamorphosed magniferrous sediments are known as ______________ .
Answer: phyllite
18.Volcano eject a material known as ______________ .
Answer: magma
19.The deposits formed along with the enclosing country rock are called _____________ deposits.
Answer: placer
20.The mineral deposit in solid rock is called __________________ .
Answer: lode