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单词 sericite
释义

Definition of sericite in English:

sericite

noun ˈsɛrɪsʌɪtˈserəˌsīt
mass noun
  • A fine-grained fibrous variety of muscovite, found chiefly in schist.

    Example sentencesExamples
    • The nearby K - 2 deposit is very similar to the Kettle and contains, besides quartz, veins with calcite, ferroan dolomite, and minor chlorite, potassium feldspar, adularia, sericite, pyrite, and barite.
    • The matrix is dominated by sericite, chlorite and quartz.
    • At some locations sericite completely pseudomorphs topaz and the feldspars.
    • The samples from the andesitic units, occurring as tectonic lenses in the greywacke sequence, exhibit plagioclase phenocrysts altered to sericite, calcite and epidote, set in a matrix of chloritized pyroxene and amphibole.
    • Many of the grains are partially to entirely replaced by fine-grained sericite and quartz.

Origin

Mid 19th century: from Latin sericum 'silk' + -ite1.

 
 

Definition of sericite in US English:

sericite

nounˈserəˌsīt
  • A fine-grained fibrous variety of muscovite formed by the alteration of feldspar, found chiefly in schist and in hydrothermally altered rock.

    Example sentencesExamples
    • At some locations sericite completely pseudomorphs topaz and the feldspars.
    • Many of the grains are partially to entirely replaced by fine-grained sericite and quartz.
    • The samples from the andesitic units, occurring as tectonic lenses in the greywacke sequence, exhibit plagioclase phenocrysts altered to sericite, calcite and epidote, set in a matrix of chloritized pyroxene and amphibole.
    • The matrix is dominated by sericite, chlorite and quartz.
    • The nearby K - 2 deposit is very similar to the Kettle and contains, besides quartz, veins with calcite, ferroan dolomite, and minor chlorite, potassium feldspar, adularia, sericite, pyrite, and barite.

Origin

Mid 19th century: from Latin sericum ‘silk’ + -ite.

 
 
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更新时间:2025/1/11 5:32:30