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- Schist abstract "Schist is a medium-grade metamorphic rock with medium to large, flat, sheet-like grains in a preferred orientation (nearby grains are roughly parallel). It is defined by having more than 50% platy and elongated minerals, often finely interleaved with quartz and feldspar. These lamellar (flat, planar) minerals include micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn-out grains to such an extent that a particular form called quartz schist is produced. Schist is often garnetiferous. Schist forms at a higher temperature and has larger grains than phyllite. Geological foliation (metamorphic arrangement in layers) with medium to large grained flakes in a preferred sheetlike orientation is called schistosity.The names of various schists are derived from their mineral constituents. Schists rich in mica are called mica schists, and include biotite or muscovite.The individual mineral grains in schist, drawn out into flaky scales by heat and pressure, can be seen by the naked eye. Schist is characteristically foliated, meaning the individual mineral grains split off easily into flakes or slabs. The word schist is derived ultimately from the Greek word σχίζειν schízein meaning "to split", which is a reference to the ease with which schists can be split along the plane in which the platy minerals lie.Most schists have been derived from clays and muds which have passed through a series of metamorphic processes involving the production of shales, slates and phyllites as intermediate steps. Certain schists have been derived from fine-grained igneous rocks such as basalts and tuffs. Most schists are mica schists, but graphite and chlorite schists are also common.Schists are named for their prominent or perhaps unusual mineral constituents, such as garnet schist, tourmaline schist, glaucophane schist, etc.Schists are frequently used as dimension stone. Dimension stone is stone that has been selected and fabricated to specific shapes or sizes.".
- Schist thumbnail Schist_detail.jpg?width=300.
- Schist wikiPageExternalLink sgmc-unit.php?unit=IDZXmhs%3B0.
- Schist wikiPageExternalLink Samuels.
- Schist wikiPageID "43530".
- Schist wikiPageRevisionID "605631495".
- Schist hasPhotoCollection Schist.
- Schist subject Category:Metamorphic_rocks.
- Schist subject Category:Schist.
- Schist comment "Schist is a medium-grade metamorphic rock with medium to large, flat, sheet-like grains in a preferred orientation (nearby grains are roughly parallel). It is defined by having more than 50% platy and elongated minerals, often finely interleaved with quartz and feldspar. These lamellar (flat, planar) minerals include micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn-out grains to such an extent that a particular form called quartz schist is produced.".
- Schist label "Esquisto".
- Schist label "Glimmerschiefer".
- Schist label "Micaschiste".
- Schist label "Schist".
- Schist label "Schist".
- Schist label "Scisto".
- Schist label "Xisto".
- Schist label "Łupek metamorficzny".
- Schist label "Сланцы (горные породы)".
- Schist label "شيست".
- Schist label "片岩".
- Schist label "結晶片岩".
- Schist sameAs Svor.
- Schist sameAs Glimmerschiefer.
- Schist sameAs Esquisto.
- Schist sameAs Eskisto.
- Schist sameAs Micaschiste.
- Schist sameAs Sekis.
- Schist sameAs Scisto.
- Schist sameAs 結晶片岩.
- Schist sameAs 결정편암.
- Schist sameAs Schist.
- Schist sameAs Łupek_metamorficzny.
- Schist sameAs Xisto.
- Schist sameAs m.0bxnh.
- Schist sameAs Q15315.
- Schist sameAs Q15315.
- Schist wasDerivedFrom Schist?oldid=605631495.
- Schist depiction Schist_detail.jpg.
- Schist isPrimaryTopicOf Schist.
