If metamorphic rock contains biotite, garnet, and staurolite, it ...

[JMatthes]

If metamorphic rock contains biotite, garnet, and staurolite, it is ___________________ _ grade. Fill in the blank(s) with the appropriate word(s).

Question 2

A rock with segregated light and dark bands, containing the minerals quartz, feldspar, hornblende, and
  mica, is a(n) ___________________ _ gneiss. Fill in the blank(s) with the appropriate word(s).

[bimper21]

Answer to Question 1

intermediate

Answer to Question 2

high-grade

[JMatthes]

Thanks for the timely response, appreciate it

[yeungji]

Excellent