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Q: Which of the following is the metamorphic stone that has porous and spongy structure, can be easily quarried in blocks contains high percentage of iron-oxide and available in different colours?
  • A. Quartzite
  • B. Gneiss
  • C. Sandstone
  • D. Laterite
Correct Answer: Option D - Laterite– This is a metamorphic rock and is sandy clayey stone. It is porous and spongy structure, can be easily quarried in block contains high percentage of iron-oxide and available in different colour. Gneiss– It is a metamorphic rock which can be easily split into thin slab and easy to work on. Slate– It is also a metamorphic rock which is black in colour and can be split easily.
D. Laterite– This is a metamorphic rock and is sandy clayey stone. It is porous and spongy structure, can be easily quarried in block contains high percentage of iron-oxide and available in different colour. Gneiss– It is a metamorphic rock which can be easily split into thin slab and easy to work on. Slate– It is also a metamorphic rock which is black in colour and can be split easily.

Explanations:

Laterite– This is a metamorphic rock and is sandy clayey stone. It is porous and spongy structure, can be easily quarried in block contains high percentage of iron-oxide and available in different colour. Gneiss– It is a metamorphic rock which can be easily split into thin slab and easy to work on. Slate– It is also a metamorphic rock which is black in colour and can be split easily.