This photograph shows light-colored granite and darker diorite (both igneous rocks). Which of the following statements is true?

A. The light-colored unit is younger because granite is more continental than diorite.
B. The granite is younger because it crosscuts the diorite.
C. The diorite is older because its weathered surfaces are darker.
D. All of these choices are correct.


Answer: B

Environmental & Atmospheric Sciences

You might also like to view...

High yield seed varieties were a major product of the Green Revolution

Indicate whether this statement is true or false

Environmental & Atmospheric Sciences

A drainage system that maintains its original course and pattern as it erodes into underlying horizontal beds of different structure than that in which the system evolved is called a

A) deranged pattern. B) discordant streams. C) annular patterns. D) superposed stream.

Environmental & Atmospheric Sciences

A representative fraction (RF) scale on a map must be expressed in terms of some unit of measurement

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Deep sea trenches are important features for plate tectonic studies because ________

A) they are sites where two plate move past each other horizontally B) they are sites where the oceanic lithosphere is consumed into the mantle C) they are sites where oceanic lithosphere is formed D) none of the above

Environmental & Atmospheric Sciences