Which of the following is a good interpretation of the environmental significance of an attribute of a sedimentary rock?

a fossils indicate that a sediment was deposited on land
b) large cross beds in a well stored sandstone usually indicate deposition by wind
c) mudcracks are formed in deep water environments where sand and mud can be deposited in thin layers
d) large, angular, poorly sorted clasts reflect a large amount of transportation
e) none of the above


Ans: b) large cross beds in a well stored sandstone usually indicate deposition by wind

Environmental & Atmospheric Sciences

You might also like to view...

Discuss at least three difficulties associated with protecting marine fisheries.

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following is NOT true about nuclear energy?

A) Nuclear power plants can experience a runaway reaction — meltdown rather than an explosion. B) Uranium is a nonrenewable resource. C) Nuclear fusion has been developed to full capacity. D) Radioactive waste storage causes concern over leakage and contamination of groundwater. E) The cost of nuclear power plants is very high due to elaborate safety protocols.

Environmental & Atmospheric Sciences

The Rio Grande Rift in New Mexico, Colorado, westernmost Texas, and Mexico is one of the major continental rifts in the world where the continental crust is being heated and stretched from below.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

What are the general characteristics of the CO2 data set? What are the maximum and minimum CO2 concentrations shown in Figure 18.4.? When did the minimum value occur? When did the maximum value occur? What is the general trend in CO2 values?

What will be an ideal response?

Environmental & Atmospheric Sciences