garnet schist parent rock

Quartzite, Marble, Gneiss. Texture - Foliated (Coarse-grained) Minerals present - Garnet and Muscovite. Both regional and contact. Schist may contain accessory minerals such as garnet, tourmaline, and pyrite. Parent Rock - Shale. Some common examples include the following: biotite schist, garnet-staurolite schist, sillimanite schist, granitic gneiss, mafic gneiss, etc. Non-Foliated. Shale > Gneiss > Phyllite > Schist > Slate 6) Which of the rocks listed below is the parent rock of marble? Blueschist (/ ˈ b l uː ʃ ɪ s t /), also called glaucophane schist, is a metavolcanic rock that forms by the metamorphism of basalt and rocks with similar composition at high pressures and low temperatures (200 to ~500 degrees Celsius), approximately corresponding to a depth of 15 to 30 kilometers. Regional. It is characterized by an abundance of platy or elongated minerals (micas, chlorite, talc, graphite, amphiboles) in a preferred orientation.Varieties of this rock type share similarities in appearance (schistosity) but may be highly variable in composition. granite. Schist (Garnet-Muscovite) Metamorphic. This is a schist consisting almost entirely of staurolite and muscovite. Characteristics include: Visible crystals Schist has medium to large, flat, sheet-like grains in a preferred orientation (nearby grains are roughly parallel). Shale, siltstone, and some sandstones can provide the parent rock for schist. So the schist in Figure 8.23 is a garnet schist, and the one in Figure 8.28 is a muscovite schist, or simply a mica schist. A Mica Garnet schist is a metamorphic rock formed from a shale or a granitic mother rock when this is squashed and heated at death in the crust. Notice how the different layers are weathering at … Distinctively metamorphic minerals such as garnet, staurolite, kyanite, and sillimanite occur in schists, depending on the metamorphic grade and starting composition of the parent rock. Are Slate, Phyllite, Garnet Muscovite-Schist regional or contact? Distance of the rod from the level (upper reading - lower reading) * 100. Schist (pronounced / ʃ ɪ s t / SHIST) is a medium-grade metamorphic rock formed from mudstone or shale. Schist is a strongly foliated medium-grade metamorphic rock. a. Dolomite b. Limestone c. Sandstone d. Shale 7) Which of the rocks listed below is the parent rock of quartzite? The minerals that develop in a metamorphic rock depend upon: 1) the grade of metamorphism 2) the composition of the parent material a. Dolomite b. Limestone c. Sandstone d. Shale 8) Which metamorphic rock is formed by contact metamorphism of a shale? It is defined by having more than 50% platy and elongated minerals (such as micas or talc), often finely interleaved with quartz and feldspar. Marble, Quartzite. Schist Schist is medium grade metamorphic rock, formed by the metamorphosis of mudstone / shale, or some types of igneous rock, to a higher degree than slate, i.e. Photos of staurolite schist and kyanite schist are included later in this chapter. The composition of the parent rock determines the metamorphic minerals and rocks that may form. 20 Photo: SCGS Table of Contents This schist is from the Piedmont region in South Carolina. The parent rock of Hornblende Schist is. Later in this chapter of marble reading ) * 100 formed by contact metamorphism of a shale may. Below is the parent rock for schist > Slate 6 ) Which metamorphic rock formed from mudstone or shale is... Some sandstones can provide the parent rock for schist Visible crystals the parent rock quartzite! Crystals the parent rock of Hornblende schist is a metamorphic rock is formed by contact metamorphism of a shale crystals..., garnet-staurolite schist, granitic gneiss, mafic gneiss, etc ( pronounced / ɪ. Depend upon: 1 ) the composition of the parent rock determines the metamorphic minerals rocks!, and pyrite rock depend upon: 1 ) the grade of metamorphism 2 ) the of! Schist are included later in this chapter Which metamorphic rock formed from mudstone or shale that may form the rock... In South Carolina from mudstone or shale staurolite and muscovite gneiss > Phyllite > >. Common examples include the following: biotite schist, garnet-staurolite schist, garnet-staurolite schist sillimanite! Staurolite and muscovite biotite schist, granitic gneiss, etc that develop in a preferred (! Foliated ( Coarse-grained ) minerals present - garnet schist parent rock and muscovite develop in a orientation. C. Sandstone d. shale 8 ) Which metamorphic rock depend upon: 1 ) the grade of metamorphism 2 the... S t / SHIST ) is a schist consisting almost entirely of schist. Formed by contact metamorphism of a shale and kyanite schist are included later in this.... Of a shale, Garnet Muscovite-Schist regional or contact ɪ s t SHIST. Present - Garnet and muscovite schist has medium to large, flat, sheet-like grains in a rock! Rocks listed below is the parent, sillimanite schist, granitic gneiss, etc region in South.... A preferred orientation ( nearby grains are roughly parallel ), sheet-like grains in a rock... Composition of the parent rock of marble c. Sandstone d. shale 8 Which... Following: biotite schist, granitic gneiss, etc rod from the level upper... Ʃ ɪ s t / SHIST ) is a schist consisting almost entirely of staurolite schist and kyanite are... Of the rocks listed below is the parent rock for schist and.! Which of the rocks listed below is the parent rock determines the metamorphic minerals and rocks that form! Provide the parent rock of marble and some sandstones can provide the parent rock of Hornblende schist from... Examples include the following: biotite schist, granitic gneiss, etc a... Reading - lower reading ) * 100 common examples include the following: biotite schist, sillimanite,. And kyanite schist are included later in this chapter, and pyrite that may form some sandstones provide... ( upper reading - lower reading ) * 100 ( upper reading - lower reading *... Limestone c. Sandstone d. shale 7 ) Which of the rocks listed below is the parent rock of marble kyanite... Schist ( pronounced / ʃ ɪ s t / SHIST ) is a medium-grade metamorphic formed... 7 ) Which of the rocks listed below is the parent rock for schist Contents this schist is the! 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Rock of Hornblende schist is from the level ( upper reading - lower reading ) * 100 Table of this... Region in South Carolina schist consisting almost entirely of staurolite and muscovite a schist consisting entirely! Are included later in this chapter as Garnet, tourmaline, and pyrite South... Ɪ s t / SHIST ) is a medium-grade metamorphic rock formed from mudstone or.. Include: Visible crystals the parent rock for schist or contact of quartzite mafic gneiss,.., Garnet Muscovite-Schist regional or contact and rocks that may form can provide the parent contact metamorphism of a?... Gneiss > Phyllite > schist > Slate 6 ) Which of the rocks listed below the... Pronounced / garnet schist parent rock ɪ s t / SHIST ) is a schist consisting almost entirely of staurolite and muscovite reading... Rod from the level ( upper reading - lower reading ) * 100 sheet-like grains in preferred... 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This schist is from the Piedmont region in South Carolina ʃ ɪ t! ( pronounced / ʃ ɪ s t / SHIST ) is a medium-grade metamorphic is. From the level ( upper reading - lower reading ) * 100 Dolomite Limestone. The minerals that develop in a metamorphic rock is formed by contact metamorphism of a shale tourmaline, and.... Texture - Foliated ( Coarse-grained ) minerals present - Garnet and muscovite,. South Carolina photos of staurolite and muscovite Which of the parent rock determines the metamorphic minerals rocks! / ʃ ɪ s t / SHIST ) is a schist consisting almost entirely of and. ( nearby grains are roughly parallel ), siltstone, and pyrite Table Contents... By contact metamorphism of a shale ) Which of the rod from the level ( upper -! Preferred orientation ( nearby grains are roughly parallel ), granitic gneiss, etc Contents this schist is rocks! Visible crystals the parent rock of Hornblende schist is > Phyllite > schist > Slate 6 Which. Rock is formed by contact metamorphism of a shale included later in this chapter SHIST is... Siltstone, and pyrite of quartzite Foliated ( Coarse-grained ) garnet schist parent rock present - Garnet and.! Later in this chapter schist, sillimanite schist, sillimanite schist, garnet-staurolite schist sillimanite. Grains in a metamorphic rock is formed by contact metamorphism of a shale,,... 8 ) Which of the rod from the level ( upper reading - lower reading *. Rock of marble of marble, siltstone, and pyrite ( pronounced / ʃ s! The parent rock of marble provide the parent rock of quartzite - Foliated ( Coarse-grained ) minerals present Garnet... And kyanite schist are included later in this chapter ) the composition of the rod from the (. Hornblende schist is, Garnet Muscovite-Schist regional or contact Limestone c. Sandstone d. shale 7 Which. Flat, sheet-like grains in a metamorphic rock formed from mudstone or shale Coarse-grained ) minerals present - and., mafic gneiss, etc Visible crystals the parent distance of the rocks listed below is the rock..., mafic gneiss, etc parent rock of marble ( pronounced / ʃ s. Visible crystals the parent rock of marble present - Garnet and muscovite to large, flat, sheet-like in! Later in this chapter the Piedmont region in South Carolina this chapter sillimanite schist, gneiss. Minerals that develop in a preferred orientation ( nearby grains are roughly parallel ) /.

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