Question

Which of the following metamorphic rocks would most likely have formed at the highest temperatures and pressures?

Answer 1

Gneiss. It is a high grade metamorphic rock, having been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of granite, or sedimentary rock.

Answer 2

ANSWER:

Gneiss is the metaphoric rocks would most likely have formed at the highest temperatures and pressures.

EXPLANATION:

• Gneiss is known as a metaphoric rock which is designed in the shape of sedimentary or igneous rock which have a very high tendency of temperature up to 320 degrees Celsius with high pressure.

• This kind of rock can withstand a heavy amount of load. Gneiss is a rock which is made out of 6-7 range when measured in Mohs scale.