Rocks which are formed by disintegration of pre-existing rocks by weathering are____________________?

A. Sand stone
B. Classics
C. Igneous
D. Greis

Related Mcqs:

______________ consist of particles that are produced by disintegration of pre-existing rocks through the process of weathering:
A. Clastics
B. Non-clastics
C. both A & B
D. None of the above
Submitted by: Shafiq Rehman
Irregular rock masses formed in the pre-existing cracks & crevices are:__________?
A. Sills
B. Dikes
C. Lacoliths
D. Batholiths
Submitted by: Mir Mehrbiyar
Most common rocks, after exposed to weathering which cover about ______% 0f the earth:
A. metamorphic rocks
B. Sedimentary rocks
C. Igneous rocks
D. Shales
Submitted by: Shafiq Rehman
Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?
A. Disintegrate
B. Disentigrate
C. Decompose
D. Both a & c
Submitted by: Shafiq Rehman
Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process:
A. Carbonation
B. Acidification
C. Hydration
D. Dissolution
Submitted by: Shafiq Rehman
Fine-graned rocks formed on earth crust are called____________________?
A. Intensive igneous rock
B. Extrusive rock
C. Sedimentary rock
D. Plutonic
Rocks formed from compacted clay or mud are called____________________?
A. Shale
B. Clay stone
C. Sand stone
D. None of the above
Metamorphic rocks are formed from____________________?
A. Igneous rocks
B. Sedimentary rocks
C. Both a & b
D. Cleavage
Rocks formed from molten magma are called__________________?
A. Sedimentary rocks
B. Igneous rocks
C. Alluvial rocks
D. All the above
Soil order characterized by excess of weathering with dominant iron and aluminium oxide clays, common in tropics is_________?
A. Alfisols
B. Mollisols
C. Entisols
D. Oxisols
Submitted by: Shafiq Rehman