In adjacent rocks that show a gradual increase in metamorphic ...

[HCHenry]

In adjacent rocks that show a gradual increase in metamorphic intensity, the first appearance of a
  particular index mineral indicates
  a. the location of the minimum pressure and temperature conditions needed for the formation
  of that mineral.
  b. the location of the maximum pressure and temperature conditions needed for the
  formation of that mineral.
  c. the rocks formed under the same broad conditions of temperature and pressure.
  d. the location on Bowens reaction series where that mineral is in equilibrium.

Question 2

Foliated metamorphic rocks form when pressure is applied
  a. outward at the two sides (tension).
  b. inward at the two sides (compression).
  c. in a shearing environment (tension).
  d. as compression or tension

[frogdreck123456]

Answer to Question 1

A

Answer to Question 2

D

[HCHenry]

Thanks for the timely response, appreciate it

[tandmlomax84]

Great answer, keep it coming