Question

Q48. With reference to sedimentary basin, which of the following statements is/are correct?

1. Sedimentary basins are widespread Onshore primarily.

2. They are the location for almost all of the world's hydrocarbon reserves.

Which of the above statement(s) is/are correct?

• A. (a) Only 1
• B. (b) Only 2
• C. (c) Both 1 and 2
• D. (d) None of the above

Answer 1

The correct option is B

(b) Only 2

Sedimentary basins are regions where considerable thicknesses of sediments have accumulated (in places up to 20 km). Sedimentary basins are widespread both onshore and offshore.

Importance:

• They are the location for almost all of the world's hydrocarbon reserves
• Other mineral: Include coal and uranium, large deposits of phosphate (an essential fertilizer mineral) and a host of industrial raw materials, including limestone for cement manufacture, kaolinitic clays, gypsum and salts.
• Metalliferous deposits (in fewer amounts) include ores of lead, zinc, iron and manganese, and there may also be some bauxite.