Definitions
from The Century Dictionary.
- Pertaining to or of the nature of diorite.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Containing diorite.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Containing
diorite .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Its geology is complex with rock outcroppings of different types and ages including rocks of granitic, dioritic and quartz monzonitic batholiths that originated during the Mesozoic and Tertiary periods as volcanic rock and a varied sequence of sediments.
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'Greenstones, Diorite', are granular mixtures of white albite and blackish-green hornblende, forming dioritic porphyry when the crystals are deposited in a base of denser tissue.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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In the Brazils, in the diamond district of Minas Geraes and St. Paul, which has recently been so accurately investigated by Clausen, Plutonic action has developed in dioritic veins sometimes ordinary mica, and sometimes specular iron in quartzose itacolumite.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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Geolog. ', t. ii., p. 379-415; on a similar effect produced by the action of dioritic and pyroxenic porphyry (the' ophite 'described by Elie de Beaumont, in the' Geologie de la France ', t. i., p. 72), between Tolosa and St. Sebastian, see Dufrenoy, in the' Mem.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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On the formation of jasper by the action of dioritic porphyry, augite, and by persthene rock, see Rose, bd. ii., s. 169, 187, und 192.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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Another mode of transformation occurs where all the strata of the compact limestone have been changed into granular limestone by the action of granite, and syenitic or dioritic porphyry.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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A number of gold bearing porphyries are located in the Quinchia district, and they are generally dioritic in nature.
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While some samples show significantly high gold values, the main exploration target is a bulk tonnage gold-silver deposit that could be hosted by the quartz stockwork and the dioritic dykes.
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The landmark development from this project has identified high gold values in veins metres below surface and a comprehensive large scale stockwork vein system that covers the entire underground development and the surfaced exposed dioritic body.
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The property is underlain by Cretaceous sedimentary rock of the Puno Group and Tacaza Volcanics, which host at least two separate dioritic intrusive bodies, and are cut by a strong north-south trending fault system with conjugate fracture sets.
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