Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A metamorphosed sedimentary rock

Etymologies

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Examples

  • Regional mapping undertaken by BRGM in 1986 identified a NE-SW trending package of Archaean to Proterozoic age quartzitic metasediment, gneiss and amphibolite, as well as numerous itabirite units containing millimetre to centimetre thick bands of magnetite.

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  • The reported 10 metre intercept is composed of 4 metres of abundant quartz, followed by 3 metres of metasediment followed by a further 3 metres of abundant quartz from the interval of

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  • Field observations suggest that the metasediment footwall (predominantly quartzites) are the basal unit of the Central Slave Cover Sequence and are unconformable on top of basement gneiss.

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