plate tectonic and magma
Yes.
you will find it in earths mantle because it is a kind of an igneous rock
mantle
hard rock
Mantle
The flow of hot rock in earths mantle will stop and Earth's magnetic field will disappear
The mantle.
What brings material from the Mantle to the Earth's Surface is rock...
its called the mantle
If it were molten, it would be called magma.
Magma
diamond