The most authoritative answer in 2024
-

-
Julian Hall——Works at the International Fund for Agricultural Development, Lives in Rome, Italy.
Igneous rocks form through the crystallization of magma. There is a considerable range of melting temperatures for different compositions of magma. All the silicates are molten at
about 1200--C and all are solid when cooled to about 600--C. Often the silicates are grouped as high, medium and low-melting point solids.
read more >>
About “about 1200--C、about 1200--C、about 1200--C”,people ask:
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.