| 释义 |
Definition of sericite in English: sericitenoun ˈsɛrɪsʌɪtˈserəˌsīt mass nounA fine-grained fibrous variety of muscovite, found chiefly in schist. 绢云母 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.
OriginMid 19th century: from Latin sericum 'silk' + -ite1. Definition of sericite in US English: sericitenounˈserəˌsīt 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.
OriginMid 19th century: from Latin sericum ‘silk’ + -ite. |