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词汇 harzburgite
释义

Definition of harzburgite in English:

harzburgite

noun ˈhɑːtsbəːˌɡʌɪtˈhärtsbərˌɡīt
mass nounGeology
  • A plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine.

    〔地质〕斜方辉橄岩

    Example sentencesExamples
    • The peridotite is dominantly serpentinized harzburgite, ranging from fresh to 70% altered, with minor pyroxenite, dunite and chromite pods.
    • Stratigraphically from bottom to top it is composed of sheared serpentinite on the basal thrust, layered harzburgitedunite, layered dunite with chromitite, and harzburgite with finegrained gabbro.
    • The lowermost rocks are serpentinized dunite and harzburgite, which are best exposed in the NE of the ophiolite.
    • In the Herbeira massif the same harzburgite dominates the east side of the Trans-Herbeira Fault, but in its western outcrop it is only present at the cliffbase in the NW and SW corners.
    • We have mapped the entire Spontang ophiolite region where we recognize a complete upper mantle sequence of harzburgite and crustal gabbroic, sheeted dykes and pillow lava succession.

Origin

Late 19th century: from Harzburg, the name of a town in Germany, + -ite1.

Definition of harzburgite in US English:

harzburgite

nounˈhärtsbərˌɡīt
Geology
  • A plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine.

    〔地质〕斜方辉橄岩

    Example sentencesExamples
    • Stratigraphically from bottom to top it is composed of sheared serpentinite on the basal thrust, layered harzburgitedunite, layered dunite with chromitite, and harzburgite with finegrained gabbro.
    • The lowermost rocks are serpentinized dunite and harzburgite, which are best exposed in the NE of the ophiolite.
    • The peridotite is dominantly serpentinized harzburgite, ranging from fresh to 70% altered, with minor pyroxenite, dunite and chromite pods.
    • We have mapped the entire Spontang ophiolite region where we recognize a complete upper mantle sequence of harzburgite and crustal gabbroic, sheeted dykes and pillow lava succession.
    • In the Herbeira massif the same harzburgite dominates the east side of the Trans-Herbeira Fault, but in its western outcrop it is only present at the cliffbase in the NW and SW corners.

Origin

Late 19th century: from Harzburg, the name of a town in Germany, + -ite.

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