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hypogene
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hypogene
hypogene, a. Geol. (ˈhɪpəʊ-, ˈhaɪpəʊdʒiːn) [f. hypo- 2 + Gr. γεν- to produce, γίγνεσθαι to be born, to originate; prob. after F. endogène, exogène (see -gen). Cf. F. hypogène.] Formed under the surface; applied to rocks otherwise called primary and metamorphic; also, subterranean, hypogean.1833 Lyel...
Oxford English Dictionary
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Hypogene
Minerals formed in this way are called primary, or hypogene, minerals. Etymology
The word hypogene is derived from the Greek roots hypo- () meaning 'under' and -gene () meaning 'born' or 'produced'.
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epigene
epigene, a. (ˈɛpɪdʒiːn) [a. Fr. épigène, ad. Gr. ἐπιγενής, f. ἐπί upon, after + -γενής born, originating. The Gr. word occurs with sense ‘arising subsequently (to birth)’, said of a disease, in opposition to ‘congenital’. This use seems to be the source of sense 1; in sense 2 the prefix is taken as ...
Oxford English Dictionary
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Supergene (disambiguation)
plant genetics models
Supergene (geology), in ore deposit geology, processes or enrichment occurring relatively near the surface, as opposed to deep hypogene
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intratelluric
intratelluric, a. Geol. (-tɛˈl(j)ʊərɪk) [f. intra- 1 + L. tellus, tellūr-em earth (cf. telluric). Anglicized immediately from Ger. intratellurisch, Rosenbusch Mikrosk. Physiogr. Mineral. (ed. 2) II. 8.] Occurring, taking place, or formed in the interior of the earth; hypogene; intratelluric period, ...
Oxford English Dictionary
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Supergene (geology)
Metals that have been leached from the oxidized ore are carried downward by percolating groundwater, and react with hypogene sulfides at the supergene-hypogene The terms supergene and hypogene refer to the depth at which they occur.
See also
Hypogene
References
Economic geology
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Sarabauite
Sarabauite's formation makes it the only hypogene antimony mineral whose fluid inclusions can be studied in thin section under normal light.
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Gaspéite
Paragenesis
Gaspéite is formed in the regolith as a supergene enrichment mineral of hypogene nickel sulfide minerals, generally in arid or semi-arid environments
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Polydymite
sulfide) and occupies a position within the mineralised profile where it must be extracted to pay for development down to the more valuable primary (hypogene
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Bilibinskite
It has also been found in hypogene ores of Kazakhstan, Xinjiang and Tuva.
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Violarite
References
Grguric, B.A. (2002), Hypogene violarite of exsolution origin from Mount Keith, Western Australia: field evidence for a stable pentlandite-violarite
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Quellaveco mine
Geology
The porphyry copper deposit and hypogene mineralization occurred in the Early Eocene.
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Primary mineral
In ore deposit geology, hypogene processes occur deep below the Earth's surface, and tend to form deposits of primary minerals, as opposed to supergene
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Newhurst Quarry
This is the only British site where hypogene mineralisation, deep in the earth, has been weathered during the Triassic, around 225 million years ago.
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Gold nugget
, since crystal structures of all of the nuggets examined proved they were originally formed at high temperature deep underground (i.e., they were of hypogene
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