In which type of rocks are metals like Gold and Copper mostly found?

(A) New metamorphic

(B) Old metamorphic

(C) Old sedimentary

(D) Old igneous

What term describes the zone of contact metamorphism surrounding an intrusive magma body?

Which of the following is a long-term consequence of mining on the Earth?
a. erosion
b. an open-pit
c. sedimentation
d. all of the above

Which of the following best characterizes an angular unconformity?

A) Tilted strata lie below the unconformity; bedding in younger strata above is parallel to the unconformity.
B) Horizontal lava flows lie below the unconformity and horizontal, sedimentary strata lie above.
C) The discordant boundary between older strata and an intrusive body of granite.
D) Tilted strata lie below the unconformity with loose, unconsolidated soil above.