One of the mysteries of the English language finally explained.
A plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine.
- ‘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.’
- ‘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.’
- ‘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.’
Late 19th century: from Harzburg, the name of a town in Germany, + -ite.
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