they form above earths surface
(THIS ANSWER IS NOT CORRECT)
They Form BELOW earths surface(:
The metamorphic process is the conversion of one mineral into another through heat and pressure over time. The metamorphic process is the conversion of one mineral into another through heat and pressure over time.
Magma emplacements or Batholith are not sedimentary structures.
All materials and that includes minerals contain the elements. Sulfates contain sulfur and oxygen
streak
Several periods of mass extinction
Batholith is an intrusive igneous body.
It must have lived for a short geologic period of time.
Shrinking of the polar ice caps
Greenhouse gases