Migmatite , Beaver Dam Mountains, Utah
Near Welcome Spring, precambrian metasediment. Beaver Dam Mountains, Utah, precambrian, 1.7billion years.
Migmatites are metamorphic rocks subjected to high pressure and very high heat. As a result, some components are melting (such as the whitish feldspar), whereas the more mafic components undergo ductile deformation in a solid state. Kind of subterranean toffee factory...
Migmatite , Beaver Dam Mountains, Utah
Near Welcome Spring, precambrian metasediment. Beaver Dam Mountains, Utah, precambrian, 1.7billion years.
Migmatites are metamorphic rocks subjected to high pressure and very high heat. As a result, some components are melting (such as the whitish feldspar), whereas the more mafic components undergo ductile deformation in a solid state. Kind of subterranean toffee factory...