Geomorphology Questions Bank

Which one of the following is not a metamorphic rock?


(b) Conglomerate is not a metamorphic rock. Conglomerate is a rock consisting of individual clasts within a finer-grained matrix that have become cemented together. Conglomerates are sedimentary rocks consisting of rounded fragments and are thus differentiated from breccias, which consist of angular clasts.



Which one of the following is an example of a block mountain?

  • (a) Aravalli
  • (b) Andes
  • (c) Black Forest
  • (d) Caucasus

(c) Black Forest is an example of a block mountain. The Black Forest is a wooden mountain range in Baden-Wurttemberg, southwestern Germany. It is bordered by the Rhine Valley to the west and south. The highest peak is the Feldberg with an elevation of 1,493 metres. The region is almost rectangular with a length of 160km and breadth of up to 60km.

Telegraph plateau is a part of

  • (a) North Atlantic Ridge
  • (b) South Atlantic Ridge
  • (c) Indian Ocean Ridge
  • (d) South Pacific Ridge

Telegraph plateau is a part of North Atlantic Ridge

Which of the following pairs is most suitable for ascertaining the origin of the rocks?

  • (a) Colour and shape
  • (b) Size and weight
  • (c) Density and hardness
  • (d) Structure and composition

(d) Structure and composition

During volcanic eruption deposition of lava in anticlines and synclines of folded mountains accounts for formation of

  • (a) Phacolith
  • (b) Lopolith
  • (c) Batholith
  • (d) Lacolith

(a) Phacolith During volcanic eruption deposition of lava in anticlines and synclines of folded mountains accounts for formation of phacolith. A phacolith is a pluton parallel of the bedding plane or foliation of folded country rock. More specifically, it is a typically less-shaped pluton that occupies either the crest of an anticline or the trough of a syncline.

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