Which of the following geologic materials usually has the highest permeability?
A) Loosely cemented gravel and sand
B) Shales and similar types of rocks
C) Vesicular volcanic rock

Question

Quizplus · Accepted Answer

Loosely cemented gravel and sand typically have the highest permeability among the options given. This is because the larger and more interconnected pore spaces in gravel and sand allow for easier flow of water or fluids compared to the finer-grained or more compact materials like shales or the variable porosity of vesicular volcanic rocks.

Which of the Following Geologic Materials Usually Has the Highest