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词汇 feldspathic
释义

Definition of feldspathic in English:

feldspathic

adjective fɛldˈspaθɪkˌfɛldˈspæθɪk
Geology
  • (of a mineral or rock) of the nature of or containing feldspar.

    〔地质〕(矿物,岩石)(含)长石的;长石质的

    Example sentencesExamples
    • Neither sample showed optical evidence for postformation alteration in the form of chloritized veins or sericitization of feldspathic minerals or micas.
    • The coarse-grained sandstone matrix is dominated by feldspathic litharenites with 50-70% quartz, 2-5% K-feldspar and 10-15% plagioclase.
    • The turbidites and their migmatized schistose equivalents overlie the grey feldspathic arenites but it is unclear whether this relationship is stratigraphic or the result of tectonic stacking.
    • Compositionally, the turbidites are mostly feldspathic litharenites with trace amounts of serpentinite, anorthosite and mafic volcanic clasts.
    • The lower member is dominated by a thick basal dolomite and passes transitionally upwards into the psammitic upper member, which is largely feldspathic schist and quartzite.

Definition of feldspathic in US English:

feldspathic

adjectiveˌfɛldˈspæθɪkˌfeldˈspaTHik
Geology
  • (of a mineral or rock) of the nature of or containing feldspar.

    〔地质〕(矿物,岩石)(含)长石的;长石质的

    Example sentencesExamples
    • The turbidites and their migmatized schistose equivalents overlie the grey feldspathic arenites but it is unclear whether this relationship is stratigraphic or the result of tectonic stacking.
    • The coarse-grained sandstone matrix is dominated by feldspathic litharenites with 50-70% quartz, 2-5% K-feldspar and 10-15% plagioclase.
    • Compositionally, the turbidites are mostly feldspathic litharenites with trace amounts of serpentinite, anorthosite and mafic volcanic clasts.
    • Neither sample showed optical evidence for postformation alteration in the form of chloritized veins or sericitization of feldspathic minerals or micas.
    • The lower member is dominated by a thick basal dolomite and passes transitionally upwards into the psammitic upper member, which is largely feldspathic schist and quartzite.
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