Asked by Samuel Mendez on May 11, 2024
Verified
Which of the following materials has moderate to high porosity but low permeability?
A) fractured sandstone
B) uncompacted clays
C) well-sorted gravel
D) well-sorted sand
Permeability
A measure of how easily fluids can flow through a porous rock or material.
Uncompacted Clays
Clay material that has not been subjected to pressure, typically soft and easily deformed, often leading to stability issues in construction.
Porosity
The measure of empty spaces within rocks or soil, determining their ability to absorb and hold water or other fluids.
- Grasp the fundamentals of porosity and permeability and their essential functions in groundwater storage and transit.
- Discuss the traits of materials that qualify or disqualify them for groundwater storage and extraction purposes.
Verified Answer
AN
Andrew NorcrossMay 12, 2024
Final Answer :
B
Explanation :
Uncompacted clays have moderate to high porosity because the particles are small and can pack together with many small spaces between them. However, these small spaces do not connect well, leading to low permeability, meaning water and other fluids cannot easily flow through the material.
Learning Objectives
- Grasp the fundamentals of porosity and permeability and their essential functions in groundwater storage and transit.
- Discuss the traits of materials that qualify or disqualify them for groundwater storage and extraction purposes.
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