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  2. Slate - Wikipedia

    en.wikipedia.org/wiki/Slate

    Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low ...

  3. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    Slate – Metamorphic rock - A low grade metamorphic rock formed from shale or silt; Suevite – Rock consisting partly of melted material formed during an impact event – A rock formed by partial melting during a meteorite impact; Talc carbonate – A metamorphosed ultramafic rock with talc as an essential constituent; similar to a serpentinite

  4. Roofing slates - Wikipedia

    en.wikipedia.org/wiki/Roofing_slates

    Roofing slates are roofing tiles made out of slate. The rock is split into thin sheets which are cut to the requires size before shipment. This contrasts to slabs which are milled to produce larger structural components. [1] They are the primary product of the slate industry.

  5. Metamorphic rock - Wikipedia

    en.wikipedia.org/wiki/Metamorphic_rock

    Slate is an example of a foliated metamorphic rock, originating from shale, and it typically shows well-developed cleavage that allows slate to be split into thin plates. [19] The type of foliation that develops depends on the metamorphic grade. [20]

  6. Protolith - Wikipedia

    en.wikipedia.org/wiki/Protolith

    For example, the protolith of a slate is a shale or mudstone. Metamorphic rocks can be derived from any other kind of non-metamorphic rock and thus there is a wide variety of protoliths. Identifying a protolith is a major aim of metamorphic geology. Protoliths are non-metamorphic rocks and have no protoliths themselves.

  7. Bannerstone - Wikipedia

    en.wikipedia.org/wiki/Bannerstone

    Many are made from banded slate or other colored hard stone. They often have a geometric "wing nut" or "butterfly" shape but are not limited to these. More than just functional artifacts, bannerstones are a form of art that appear in varying shapes, designs, and colors, symbolizing their ceremonial and spiritual importance.

  8. Today’s Wordle hints, clues and answer for puzzle #1328 on ...

    www.aol.com/news/today-wordle-hints-clues-answer...

    What is the definition of today’s Wordle answer? This word means “a person, esp. a young person, under the supervision of a teacher or tutor, as in school."

  9. Slate industry - Wikipedia

    en.wikipedia.org/wiki/Slate_industry

    The slate industry is the industry related to the extraction and processing of slate. Slate is either quarried from a slate quarry or reached by tunneling in a slate mine. Common uses for slate include as a roofing material, a flooring material, gravestones and memorial tablets, and electrical insulation.