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schist    音标拼音: [ʃ'ɪst]
n. 片岩

片岩

schist
n 1: any metamorphic rock that can be split into thin layers

Schist \Schist\ (sh[i^]st), n. [Gr. ? divided, divisible, fr. ?
to divide: cf. F. schiste. See {Schism}.] (Geol.)
Any crystalline rock having a foliated structure (see
{Foliation}) and hence admitting of ready division into slabs
or slates. The common kinds are mica schist, and hornblendic
schist, consisting chiefly of quartz with mica or hornblende
and often feldspar.
[1913 Webster]


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  • Schist - Wikipedia
    Schist ( ˈʃɪst SHIST) is a medium-grained metamorphic rock showing pronounced schistosity (named for the rock) This means that the rock is composed of mineral grains easily seen with a low-power hand lens, oriented in such a way that the rock is easily split into thin flakes or plates
  • Schist: Metamorphic Rock - Pictures, Definition More
    Schist is a foliated metamorphic rock made up of plate-shaped mineral grains that are large enough to see with an unaided eye It usually forms on a continental side of a convergent plate boundary where sedimentary rocks, such as shales and mudstones, have been subjected to compressive forces, heat, and chemical activity
  • Schist | Properties, Formation, Occurrence and Uses - Geology Science
    Schist is a type of metamorphic rock characterized by its foliated texture, which means it possesses distinct layers or bands of minerals that have undergone significant physical and chemical changes due to heat, pressure, and other geological processes
  • Schist: Identification, Characteristics, and More - Rockhound Resource
    Schist is a medium-grained foliated metamorphic rock primarily made of platy minerals like biotite, muscovite, talc, and chlorite, with smaller amounts of bulky minerals like quartz and feldspar The platy minerals are oriented parallel to one another, making it easy to break the rock into thin plates
  • Schist: Properties, Formation, Uses, and Famous Locations
    Discover the properties, formation, and uses of schist, a foliated metamorphic rock rich in mica, garnet, and other minerals Learn about its types, sourcing locations, and how to care for schist in this detailed guide
  • Schist | Metamorphic, Foliated, Gneiss | Britannica
    Schist, megascopically crystalline rock that has a highly developed schistosity, or tendency to split into layers Banding (foliation) is typically poorly developed or absent Most schists are composed largely of platy minerals such as muscovite, chlorite, talc, sericite, biotite, and graphite;
  • Schist: Formation, Uses and Types of Schist – Geology In
    Schist is a type of metamorphic rock known for its distinctive layered or banded appearance This characteristic, called foliation This foliation is caused by the alignment of platy minerals, such as mica, chlorite, and talc, being flattened and aligned due to intense heat and pressure during metamorphism
  • Schist: A Guide to the Characteristics and Formations of This . . .
    Learn about the unique characteristics and formations of schist, a metamorphic rock known for its flaky layers and diverse mineral makeup From its silvery mica to its various shades of green, brown, and black, schist is a visually striking rock with a rich geological history
  • Schist - Metamorphic rocks - Sandatlas
    Schist is a strongly foliated medium-grade metamorphic rock It is characterized by an abundance of platy or elongated minerals (micas, chlorite, talc , graphite, amphiboles) in a preferred orientation
  • Schist - Geology is the Way
    Schist is a low- to medium-grade metamorphic rock with a well-defined foliation and containing minerals that are visible with the unaided eye The name derives from the Greek schizo, ‘to tear’, in reference to its very strong fissility





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