: Studies suggest that ancient anorthite crust subducted into Earth's mantle may accumulate at depths of 660–720 km rather than returning to the surface. 3. Industrial and Scientific Applications
Anorthite is characterized by a three-dimensional network structure of SiO4cap S i cap O sub 4 AlO4cap A l cap O sub 4 tetrahedra. : anorthite
ceramic components in high-temperature environments, maintaining strength up to Anorthite ( An90−100cap A n sub 90 minus 100 end-sub An0−10cap A n sub 0 minus 10 end-sub Primary Cation Common Origin High-temperature magmas, Moon Low-temperature magmas, Earth's crust Density Slightly higher Slightly lower Primary Rock Anorthosite, Gabbro Granite, Rhyolite : Studies suggest that ancient anorthite crust subducted