Graphite deposits typically form________ .
A) by decomposition of humus and soil gases during intense, tropical weathering
B) by regional metamorphism of organic- rich, black shales
C) as deposits around submarine, hot spring vents
D) as hydrothermal vein deposits in limestone around a granitic batholith

Question

Quizplus · Accepted Answer

Graphite deposits typically form by regional metamorphism of organic-rich, black shales. This process involves the transformation of carbon-rich materials under high temperature and pressure conditions, leading to the formation of graphite.

Graphite Deposits Typically Form________