They form underground from the cooling and solidification of magma.
Ore deposits
S. P. Sanyal has written: 'Petrology of natural coke associated with igneous intrusives in parts of the Raniganj coalfield' -- subject(s): Coal, Coke, Geology, Igneous Rocks, Intrusions (Geology)
Metamorphic rocks can form from both igneous and sedimentary rocks
Metamorphic rocks can form from both igneous and sedimentary rocks
Igneous rocks.
yes, all rocks can form from all others depending on pressure, etc
Sedimentary rocks.
igneous rocks
igneous rocks
Turquoise is a secondary mineral that forms through the alteration and replacement of pre-existing minerals in various types of rocks, which can be sedimentary, igneous, or metamorphic. Turquoise can occur in all three rock types depending on the specific geological conditions.
igneous
igneous rocks