Clay sediments and shale generally have _____
a. high permeability and high porosity
b. low permeability and low porosity
c. high permeability and low porosity
d. low permeability and high porosity
e. no permeability and no porosity
d
You might also like to view...
What is a use of understanding magnetic reversals?
A) Matching the patterns of reversals in a rock sequence to the magnetic timescale B) Studying magnetic stripes on the seafloor C) Calculating rates of seafloor spreading D) All of these are correct.
Briefly, outline the mechanism of natural selection. Fill in the blank(s) with the appropriate word(s)
Based on the principle of Baked Contacts, which of the following statements are right?
a. If an igneous intrusion "bakes" surrounding rocks, then the rock that has been baked must be younger than the intrusion b. The intrusion geologic feature is younger than the original rock c. Baked contacts do not provide directly the relative age, because of the later erosion d. When pluton (one igneous rock) was found to bake the adjacent rock, then this pluton is relatively younger e. Both b and d
?Match the term with the most appropriate description.
A. ?the earth's innermost zone, consisting of solid and molten portions B. ?outermost and thinnest zone of solid material C. ?rigid, outermost part of the mantle D. ?a thick zone made mostly of solid rock that can be soft and pliable at very high temperatures E. ?layer of hot, flowing, partly melted mantle rock