Gneiss is a high grade metamorphic rock, the product of various rock types being exposed to intense pressures and heat under the surface of the Earth. Orthogneiss is a gneiss whose parent rock was igneous, and paragneiss is a gneiss whose parent rock was sedimentary.
Muscovite calcite schist in California is a metamorphic rock that typically forms from the alteration of sedimentary rocks like limestone or dolomite. It is characterized by the presence of muscovite mica, calcite, and schistosity (foliation). This rock type is commonly found in the metamorphic terranes of the Sierra Nevada Mountains and northern California.
Gneiss is a metamorphic rock and its parent rock (protolith) could be a granite or schist.
A schist is a metamorphic rock.
The most common minerals in gneiss are quartz, potassium feldspar, and sodium feldspar. Smaller amounts of muscovite, biotite and hornblende are common. Gneiss can also form from gabbro or shale.
Parent rocks of metamorphic rocks can include sedimentary rocks, igneous rocks, and other metamorphic rocks. Some common parent rocks are shale, granite, and basalt. The mineral composition and texture of the parent rock influence the characteristics of the resulting metamorphic rock.
Muscovite calcite schist in California is a metamorphic rock that typically forms from the alteration of sedimentary rocks like limestone or dolomite. It is characterized by the presence of muscovite mica, calcite, and schistosity (foliation). This rock type is commonly found in the metamorphic terranes of the Sierra Nevada Mountains and northern California.
Gneiss is a metamorphic rock formed when intense heat and/or pressure is applied to it's parent rock schist.
Biotite, muscovite, chlorite, talc, garnet, and kyanite are common in schist.
Gneiss is a metamorphic rock and its parent rock (protolith) could be a granite or schist.
No, schist is a metamorphic rock type characterized by strong foliation, while mica schist is a specific type of schist that contains a high proportion of mica minerals like muscovite or biotite. Mica schist has a distinct shiny appearance due to the abundance of mica minerals.
Schist is a form of metamorphic rock in which a sedimentary rock has been subjected to heat and pressure. These change agents will alter the structure of the rock, and will allow / cause the minerals in the rock to change and aggregate. Schist is a very common rock type, but does need the parent rock to have undergone metamorphism.
muscovite
Muscovite is found wherever igneous and metamorphic rocks are found and is mined in New England, North Carolina, South Dakota, Colorado, Utah, Massachusetts, Virginia, New Mexico, India and Brazil. A Muscovite is also a native of Moscow
The mineral responsible for the strong foliation in schist is usually mica (such as biotite or muscovite). These minerals have a planar structure that aligns during the metamorphic process, creating the foliation planes in the rock.
Schist comes from shale. It is laminated , flaky, and found in parallel layers. The minerals in this rocks that have crystallized from the parent rock are visible.
Schist is a metamorphic rock.
A schist is a metamorphic rock.