schist


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Related to schist: Mica schist, amphibolite

schist

 (shĭst)
n.
Any of various medium-grained to coarse-grained metamorphic rocks composed of laminated, often flaky parallel layers of chiefly micaceous minerals.

[French schiste, from Latin (lapis) schistos, fissile (stone), a kind of iron ore, from Greek skhistos, split, divisible, from skhizein, to split; see skei- in Indo-European roots.]

schis′tose′ (shĭs′tōs′), schis′tous (-təs) adj.

schist

or

shist

n
(Geological Science) any metamorphic rock that can be split into thin layers because its micaceous minerals have become aligned in thin parallel bands
[C18: from French schiste, from Latin lapis schistos stone that may be split, from Greek skhizein to split]
ˈschistose adj
schistosity n

schist

(ʃɪst)

n.
any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement.
[1775–85; < New Latin schistus, Latin (lapis) schistos < Greek schistós divided, curdled, divisible, derivative of schízein to split, with -tos adj. suffix]
schis′tose, schis′tous, adj.

schist

(shĭst)
A metamorphic rock characterized by a very fine alignment of its minerals, which allows it to be easily split into flakes or slabs. Because schist often contains abundant mica, it usually has a shiny, gray appearance. See Table at rock.

schist

A metamorphic rock rich in flattened, aligned minerals. It comes from slate and basalt.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.schist - any metamorphic rock that can be split into thin layersschist - any metamorphic rock that can be split into thin layers
metamorphic rock - rock altered by pressure and heat
Translations

schist

[ʃɪst] Nesquisto m

schist

nSchiefer m
References in classic literature ?
"You would not have to look long among those fissures of slaty schist without finding peptites of considerable value."
Nor does their almost universally volcanic composition favour the admission that they are the wrecks of sunken continents;--if they had originally existed as mountain-ranges on the land, some at least of the islands would have been formed, like other mountain-summits, of granite, metamorphic schists, old fossiliferous or other such rocks, instead of consisting of mere piles of volcanic matter.
The gold-bearing system is hosted within a package of likely Cambrian-age sediments, including greywackes with minor quartz-arenites (phyllite, schist and quartzites), within the Appalachian orogenic belt.
The ore zone is strongly recrystallised and massive, comprising phlogopite-chlorite-tremolite-talc schist, amphibolite with lenticular quartzo-feldspathic layering and quartz-muscovite-biotite-sillimanite schist.
In an broadcast on television and the radio, Maduro congratulated the armed forces for "defeating this small group that intended to spread violence through put schist skirmishes," according to the Agence France-Presse (AFP).
The gilded schist statue presents the lady Shepenwepet II standing proudly.
Director General of Archaeological Affairs and Restoration at the museum Tarik Tawfik said that the statue of King Khafre is made of Schist. The king is depicted in a sitting position and appears to be missing the head.
The rocks formed along the suture zones are metamorphosed quartz mica schist showing anhedral stressed quartz grains embedded in the laths of coarse grained mica, mainly muscovite.
These new thick zones of mineralization occur within a quartz, biotite schist within a zone of about 200 meters long, east-west dimension, and at least 120 meters wide, north-south, and to depths similar to the historic modeled deposit.
One expert said in a report into a house in Carndonagh: "The presence of excessive amounts of Mica dust, a main mineral within schist, can be problematic when present in concrete.
As expected, clay contents were much lower in soils derived from quartzite than from schist for the same altitude (Table 2).