-In the metamorphic map above, isograd B is the __________ isograd.

Question

Quizplus · Accepted Answer

Without the ability to view the specific metamorphic map mentioned, the correct answer cannot be determined based solely on the information provided. However, in general, isograds are lines on a map that represent the first appearance of a particular mineral in the metamorphic rock record as conditions of temperature and pressure change. Sillimanite is a common index mineral used to demarcate isograds in high-grade metamorphic zones, but without the map or additional context, it's impossible to accurately identify which mineral isograd B represents.

-In the Metamorphic Map Above, Isograd B Is the __________