What is the metamorphic grade of marble?

Answer 1

Marble is classified as a metamorphic rock. 'Metamorphic' means that the rock has undergone a change in from. In the case of marble, it starts out as some kind of sedimentary carbonate rock (sedimentary rocks are formed by sediments and remains of plant life, etc. that have been compacted together over time) and then that rock material is transformed by a combination of heat and pressure to become marble. The changes may be a development of a chrystalline formation, or a texture or color change. Sometimes the metamorphic changes in rock may include the involvement of minerals, in additon to the heat and pressure combination. Different minerals cause the different color varieties of marble that are available.

Answer 2

Marble is typically classified as a high-grade metamorphic rock, as it forms from the recrystallization of limestone under high temperature and pressure conditions. This process results in a dense, hard, and sometimes foliated rock composed mainly of calcite or dolomite minerals.

Answer 3

Its low grade. Due to the low temperature and pressure.

Answer 4

sedimentary

Answer 5

Metamorphic