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HOST MINERAL [14 records]
Record 1 - internal organization data 2013-04-29
Record 1, English
Record 1, Subject field(s)
- Petrography
Record 1, Main entry term, English
- host rock
1, record 1, English, host%20rock
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A rock which serves as a host for other rocks or for mineral deposits. 2, record 1, English, - host%20rock
Record 1, French
Record 1, Domaine(s)
- Pétrographie
Record 1, Main entry term, French
- roche hôte
1, record 1, French, roche%20h%C3%B4te
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-02-07
Record 2, English
Record 2, Subject field(s)
- Mineralogy
Record 2, Main entry term, English
- perthitic
1, record 2, English, perthitic
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
[Said of] the separation of one mineral from another by solid precipitation, forming a lattice type intergrowth, usually as thin, roughly parallel, layers in a host crystal. 2, record 2, English, - perthitic
Record number: 2, Textual support number: 1 CONT
The perthitic segregations typically develop along crystallographic planes ..., producing intergrowths of subparallel blebs, rods, strings, or lamellae of exsolved material in an optically continuous host. 3, record 2, English, - perthitic
Record number: 2, Textual support number: 1 OBS
Adjective of "perthite." 4, record 2, English, - perthitic
Record number: 2, Textual support number: 2 OBS
perthitic: term used at Natural Resources Canada - Earth Sciences Sector. 4, record 2, English, - perthitic
Record number: 2, Textual support number: 1 PHR
Perthitic K-feldspar. 5, record 2, English, - perthitic
Record 2, French
Record 2, Domaine(s)
- Minéralogie
Record 2, Main entry term, French
- perthitique
1, record 2, French, perthitique
correct
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
perthitique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 2, record 2, French, - perthitique
Record number: 2, Textual support number: 1 PHR
Microcline perthitique. 3, record 2, French, - perthitique
Record number: 2, Textual support number: 2 PHR
Feldspath potassique perthitique. 4, record 2, French, - perthitique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2007-01-18
Record 3, English
Record 3, Subject field(s)
- Various Metal Ores
Record 3, Main entry term, English
- stringer
1, record 3, English, stringer
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- string 2, record 3, English, string
correct
- stringer veinlet 3, record 3, English, stringer%20veinlet
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A mineral veinlet or filament, usually one of a number, occurring in a discontinuous subparallel pattern in host rock. 4, record 3, English, - stringer
Record number: 3, Textual support number: 1 CONT
These auriferous quartz lodes have quartz veins issuing from them in various directions across the country as leaders, flat veins, etc. They sometimes form themselves into irregular masses of veins, at other times they appear as massive bodies of quartz rocks which dwindle into strings that serve as the connecting links with some other quartz blocks. 2, record 3, English, - stringer
Record number: 3, Textual support number: 2 CONT
Small stringers and dykes of massive ilmenite extend from the main ilmenite mass through the marginal zones into the anorthosite. 2, record 3, English, - stringer
Record number: 3, Textual support number: 3 CONT
The ores ... consist of massive stringers and lenses of pyrrhotite-dominated Ni-Cu sulphides ... that are commonly concentrated in depressions at the base of the Footwall Breccia host ... 5, record 3, English, - stringer
Record number: 3, Textual support number: 1 PHR
Stringer of massive sulphide. 5, record 3, English, - stringer
Record number: 3, Textual support number: 2 PHR
Quartz, sulphide stringer. 5, record 3, English, - stringer
Record 3, French
Record 3, Domaine(s)
- Minerais divers (Mines métalliques)
Record 3, Main entry term, French
- traînée parallèle
1, record 3, French, tra%C3%AEn%C3%A9e%20parall%C3%A8le
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- filonnet 2, record 3, French, filonnet
correct, masculine noun
- petit filon 3, record 3, French, petit%20filon
correct, masculine noun
- cordon 4, record 3, French, cordon
masculine noun
- crin 4, record 3, French, crin
masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
[...] les granites stannigènes [...] peuvent présenter une texture et une structure assez caractéristiques. Ainsi les granites «ultimes» [...] du Cameroun montrent une texture équigranulaire, avec du microcline perthitique à albite en «strings» c'est-à-dire en traînées parallèles [...] 5, record 3, French, - tra%C3%AEn%C3%A9e%20parall%C3%A8le
Record number: 3, Textual support number: 2 CONT
La minéralisation [...] consiste en lentilles et filonnets de sulfures de Ni-Cu massifs à prédominance de pyrrhotite [...] qui sont fréquemment concentrés dans des dépressions à la base de l'unité hôte (Brèche du mur) [...] 3, record 3, French, - tra%C3%AEn%C3%A9e%20parall%C3%A8le
Record number: 3, Textual support number: 1 PHR
Filonnet de quartz, de sulfures massifs. 3, record 3, French, - tra%C3%AEn%C3%A9e%20parall%C3%A8le
Record number: 3, Textual support number: 2 PHR
Filonnet sulfuré. 3, record 3, French, - tra%C3%AEn%C3%A9e%20parall%C3%A8le
Record number: 3, Textual support number: 3 PHR
Cordon de quartz. 6, record 3, French, - tra%C3%AEn%C3%A9e%20parall%C3%A8le
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2005-07-11
Record 4, English
Record 4, Subject field(s)
- Various Metal Ores
- Geochemistry
Record 4, Main entry term, English
- impregnated deposit
1, record 4, English, impregnated%20deposit
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- impregnation 2, record 4, English, impregnation
correct
- impregnation deposit 3, record 4, English, impregnation%20deposit
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
... a mineral deposit(especially of metals) in which the minerals are epigenetic and diffused in the host rock. 1, record 4, English, - impregnated%20deposit
Record number: 4, Textual support number: 1 CONT
The orebodies of the polymetallic subtype form pods and lenses and to a lesser extent form veinlets and impregnations in the hostrocks. 4, record 4, English, - impregnated%20deposit
Record 4, French
Record 4, Domaine(s)
- Minerais divers (Mines métalliques)
- Géochimie
Record 4, Main entry term, French
- gîte d'imprégnation
1, record 4, French, g%C3%AEte%20d%27impr%C3%A9gnation
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- gisement d'imprégnation 2, record 4, French, gisement%20d%27impr%C3%A9gnation
correct, masculine noun
- imprégnation diffuse 3, record 4, French, impr%C3%A9gnation%20diffuse
correct, feminine noun
- imprégnation 4, record 4, French, impr%C3%A9gnation
correct, feminine noun
- gîte d'imprégnations diffuses 5, record 4, French, g%C3%AEte%20d%27impr%C3%A9gnations%20diffuses
correct, masculine noun
- gîte d'imprégnation diffuse 6, record 4, French, g%C3%AEte%20d%27impr%C3%A9gnation%20diffuse
masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
[...] gîte métallifère qui n'a aucune paroi définie et qui passe graduellement à la roche encaissante. 7, record 4, French, - g%C3%AEte%20d%27impr%C3%A9gnation
Record number: 4, Textual support number: 1 CONT
Certains gîtes renferment d'importants massifs de minerai de valeur, tandis que d'autres, dits gîtes d'imprégnation diffuse renferment des grains de minéraux de valeur très dispersés dans le schiste ou d'autres roches. 6, record 4, French, - g%C3%AEte%20d%27impr%C3%A9gnation
Record number: 4, Textual support number: 2 CONT
Gîtes d'imprégnations diffuses. - Dans ce cas, l'action des vapeurs minéralisatrices s'est développée à plus grande distance du magma, donnant naissance à des amas disséminés dans des formations cristallophylliennes ou sédimentaires. Ce sont surtout des sulfures qui apparaissent ainsi [...] 5, record 4, French, - g%C3%AEte%20d%27impr%C3%A9gnation
Record number: 4, Textual support number: 3 CONT
Les pyrites [...] sont les seuls minerais métalliques sulfurés exploités [...] pour la production du soufre. [...] Le plus souvent, il s'agit de produits de ségrégations périphériques des magmas basiques, d'imprégnations diffuses dans les schistes cristallins [...] 5, record 4, French, - g%C3%AEte%20d%27impr%C3%A9gnation
Record number: 4, Textual support number: 4 CONT
[...] les gisements [de cuivre] très variés appartiennent à presque tous les types connus. Nous trouvons des gisements de ségrégation [...], des gîtes péribatholitiques [...], des imprégnations diffuses de pyrites dans des gneiss [...] et des filons de tous types. 5, record 4, French, - g%C3%AEte%20d%27impr%C3%A9gnation
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Minerales varios (Minas metálicas)
- Geoquímica
Record 4, Main entry term, Spanish
- impregnación
1, record 4, Spanish, impregnaci%C3%B3n
correct, feminine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
- yacimiento de impregnación 2, record 4, Spanish, yacimiento%20de%20impregnaci%C3%B3n
masculine noun
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
[...] yacimiento sulfurado difuso en el seno de una roca generalmente metamórfica, en la cual forma múltiples ramificaciones o estratos. 1, record 4, Spanish, - impregnaci%C3%B3n
Record 5 - internal organization data 2005-06-06
Record 5, English
Record 5, Subject field(s)
- Various Metal Ores
Record 5, Main entry term, English
- crosscutting vein
1, record 5, English, crosscutting%20vein
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- cross-cutting vein 2, record 5, English, cross%2Dcutting%20vein
correct
- crossvein 3, record 5, English, crossvein
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
... a vein which crosses the bedding planes of strata. 3, record 5, English, - crosscutting%20vein
Record number: 5, Textual support number: 1 CONT
... the majority of ore deposits occur in metamorphosed host rocks. Among these deposits the substantial proportion... have been involved in the metamorphic episode(s) and consequently their texture and mineralogy may be considerably modified, often to the advantage of mineral separation processes. In addition, parts of the orebody may be mobilized and epigenetic features, such as cross-cutting veins, may be imposed on a syngenetic deposit. 2, record 5, English, - crosscutting%20vein
Record 5, French
Record 5, Domaine(s)
- Minerais divers (Mines métalliques)
Record 5, Main entry term, French
- filon transversal
1, record 5, French, filon%20transversal
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- filon transverse 2, record 5, French, filon%20transverse
correct, masculine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Si ces prolongements [apophyses émises par des laccolites] s'insinuent entre les lits des roches sédimentaires encaissantes, ce sont des filons-couches ou sills par opposition aux filons transverses qui recoupent obliquement les plans de stratification. 3, record 5, French, - filon%20transversal
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2005-05-05
Record 6, English
Record 6, Subject field(s)
- Various Metal Ores
Record 6, Main entry term, English
- lode
1, record 6, English, lode
correct, see observation, noun
Record 6, Abbreviations, English
Record 6, Synonyms, English
- lead 2, record 6, English, lead
correct, noun
- vein 3, record 6, English, vein
correct, see observation, noun
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
An epigenetic mineral filling of a fracture in a host rock, in tabular or sheetlike form, often with associated replacement of the host rock; a mineral deposit of this form and origin. 2, record 6, English, - lode
Record number: 6, Textual support number: 1 CONT
A system of veins that can be mined directly forms a lode, for example the mother lode of the California gold rush. 4, record 6, English, - lode
Record number: 6, Textual support number: 1 OBS
A vein and a lode are generally the same thing; the former being more scientific, the latter, a miner’s name for it. 5, record 6, English, - lode
Record number: 6, Textual support number: 2 OBS
Lode, as used by miners, is nearly synonymous with the term vein, as employed by geologists. 6, record 6, English, - lode
Record 6, French
Record 6, Domaine(s)
- Minerais divers (Mines métalliques)
Record 6, Main entry term, French
- filon
1, record 6, French, filon
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- veine 2, record 6, French, veine
correct, feminine noun, less frequent
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Masse minérale de forme tabulaire, qui s'est déposée dans une fracture du roc. 3, record 6, French, - filon
Record number: 6, Textual support number: 1 OBS
Une veine a la forme d'un dyke, mais le dyke est composé de roche. On réserve le nom de veines pour les massifs de minerais ayant une composition différente de celle des roches. 3, record 6, French, - filon
Record number: 6, Textual support number: 2 OBS
[Le filon] est généralement compris entre deux surfaces sensiblement parallèles. 4, record 6, French, - filon
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Minerales varios (Minas metálicas)
Record 6, Main entry term, Spanish
- vena
1, record 6, Spanish, vena
correct, feminine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
- veta 1, record 6, Spanish, veta
correct, feminine noun
- filón 1, record 6, Spanish, fil%C3%B3n
correct, masculine noun
Record 6, Textual support, Spanish
Record number: 6, Textual support number: 1 DEF
Yacimiento mineral estrecho y largo. 1, record 6, Spanish, - vena
Record 7 - internal organization data 2004-11-02
Record 7, English
Record 7, Subject field(s)
- Petrography
Record 7, Main entry term, English
- Archean greenstone terrane
1, record 7, English, Archean%20greenstone%20terrane
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
- Archaean greenstone terrane 2, record 7, English, Archaean%20greenstone%20terrane
correct, Great Britain
- Archean greenstone terrain 3, record 7, English, Archean%20greenstone%20terrain
obsolete
- Archaean greenstone terrain 4, record 7, English, Archaean%20greenstone%20terrain
Great Britain, obsolete
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
The Abitibi subprovince is the largest, and perhaps the best studied, of the Archean greenstone terranes of the world and is host to a major proportion of Canada's mineral resources. 5, record 7, English, - Archean%20greenstone%20terrane
Record number: 7, Textual support number: 2 CONT
Economically viable [gold] deposits are concentrated primarily in the Archean greenstone terranes of Superior and Slave Provinces ... 6, record 7, English, - Archean%20greenstone%20terrane
Record number: 7, Textual support number: 1 OBS
terrane: ... a rock or group of rocks and ... the area in which they crop out. Obsolete synonym: terrain. 7, record 7, English, - Archean%20greenstone%20terrane
Record 7, French
Record 7, Domaine(s)
- Pétrographie
Record 7, Main entry term, French
- terrane de roches vertes de l'Archéen
1, record 7, French, terrane%20de%20roches%20vertes%20de%20l%27Arch%C3%A9en
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
- terrain archéen de roches vertes 2, record 7, French, terrain%20arch%C3%A9en%20de%20roches%20vertes
proposal, masculine noun
- terrain archéen de pierres vertes 2, record 7, French, terrain%20arch%C3%A9en%20de%20pierres%20vertes
proposal, masculine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
En grisé sombre, les affleurements de terrains archéens [...] 3, record 7, French, - terrane%20de%20roches%20vertes%20de%20l%27Arch%C3%A9en
Record number: 7, Textual support number: 2 OBS
terrain : Ensemble de roches de même nature (terrain calcaire), de même origine (terrain alluvial) ou de même âge (terrain crétacé). 4, record 7, French, - terrane%20de%20roches%20vertes%20de%20l%27Arch%C3%A9en
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2004-05-17
Record 8, English
Record 8, Subject field(s)
- Gemmology
- Diamond Industry
Record 8, Main entry term, English
- included crystal
1, record 8, English, included%20crystal
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- guest crystal 2, record 8, English, guest%20crystal
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
A type of knot where a diamond has formed inside another diamond. 3, record 8, English, - included%20crystal
Record number: 8, Textual support number: 1 OBS
A mineral or crystal included in a mineral which is called host mineral. 4, record 8, English, - included%20crystal
Record 8, French
Record 8, Domaine(s)
- Gemmologie
- Industrie diamantaire
Record 8, Main entry term, French
- cristal inclus
1, record 8, French, cristal%20inclus
correct, masculine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Minéral au faciès cristallin plus ou moins défini inclus dans le diamant. 2, record 8, French, - cristal%20inclus
Record number: 8, Textual support number: 1 CONT
Cristaux inclus. Dans les diamants, on trouve des cristaux de toutes formes et dimensions. Jusqu'ici, 24 minéraux ont été déterminés positivement comme inclusions dans les diamants, toutefois, le cristal inclus qu'on voit le plus souvent est le diamant lui-même. 3, record 8, French, - cristal%20inclus
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2004-02-16
Record 9, English
Record 9, Subject field(s)
- Mineralogy
Record 9, Main entry term, English
- associated minerals
1, record 9, English, associated%20minerals
correct, plural
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 CONT
Associated minerals. In general, minerals tend to occur with allied types. For example, lead and zinc minerals are closely linked with occurrences of barytes and native silver. 2, record 9, English, - associated%20minerals
Record number: 9, Textual support number: 2 CONT
Diamond is the only "ore" mineral extracted from the kimberlite host. The associated minerals are discussed [later]. 3, record 9, English, - associated%20minerals
Record 9, Key term(s)
- associated mineral
Record 9, French
Record 9, Domaine(s)
- Minéralogie
Record 9, Main entry term, French
- minéraux associés
1, record 9, French, min%C3%A9raux%20associ%C3%A9s
correct, masculine noun, plural
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Ce transport [des alluvions] s'accompagne d'un tri des substances déplacées qui peut aboutir à une concentration locale de minerai, surtout si la densité de la substance utile dépasse de beaucoup celle des minéraux associés. 2, record 9, French, - min%C3%A9raux%20associ%C3%A9s
Record number: 9, Textual support number: 2 CONT
Le diamant est le seul «minéral utile» extrait des kimberlites hôtes. Les minéraux associés sont abordés [ensuite] 3, record 9, French, - min%C3%A9raux%20associ%C3%A9s
Record 9, Key term(s)
- minéral associé
Record 9, Spanish
Record 9, Campo(s) temático(s)
- Mineralogía
Record 9, Main entry term, Spanish
- minerales asociados
1, record 9, Spanish, minerales%20asociados
masculine noun, plural
Record 9, Abbreviations, Spanish
Record 9, Synonyms, Spanish
- minerales acompañantes 1, record 9, Spanish, minerales%20acompa%C3%B1antes
masculine noun, plural
Record 9, Textual support, Spanish
Record 10 - internal organization data 2003-10-27
Record 10, English
Record 10, Subject field(s)
- Mineralogy
Record 10, Main entry term, English
- host mineral
1, record 10, English, host%20mineral
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
- host 2, record 10, English, host
correct, noun
- palasome 3, record 10, English, palasome
correct
- palosome 2, record 10, English, palosome
correct
- enclosing mineral 4, record 10, English, enclosing%20mineral
correct
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
A ... mineral that is older than ... minerals introduced into it or formed within or adjacent to it ... 2, record 10, English, - host%20mineral
Record number: 10, Textual support number: 1 CONT
The filling ... temperatures of aqueous inclusions ... indicate the depositional temperature of the enclosing mineral ... 4, record 10, English, - host%20mineral
Record 10, French
Record 10, Domaine(s)
- Minéralogie
Record 10, Main entry term, French
- minéral hôte
1, record 10, French, min%C3%A9ral%20h%C3%B4te
correct, masculine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
- minéral porteur 2, record 10, French, min%C3%A9ral%20porteur
correct, masculine noun
- palasome 3, record 10, French, palasome
correct, masculine noun
- hôte 1, record 10, French, h%C3%B4te
correct, masculine noun
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
En ce qui concerne l'or, les minéraux porteurs les plus typiques sont la pyrite, l'arsénopyrite, la pyrrhotine, la chalcopyrite, la galène et la sphalérite. [...] La libération de l'or natif ou des minéraux porteurs peut se faire par désintégration mécanique sous l'action du gel et du dégel. 2, record 10, French, - min%C3%A9ral%20h%C3%B4te
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2003-08-29
Record 11, English
Record 11, Subject field(s)
- Economic Geology
Record 11, Main entry term, English
- chromite-rich seam
1, record 11, English, chromite%2Drich%20seam
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 CONT
Disseminated chromite is often a conspicuous mineral in the host rocks of the chromitite or chromite-rich seams. 1, record 11, English, - chromite%2Drich%20seam
Record 11, French
Record 11, Domaine(s)
- Géologie économique
Record 11, Main entry term, French
- couche riche en chromite
1, record 11, French, couche%20riche%20en%20chromite
correct, feminine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 CONT
De la chromite est souvent disséminée de manière évidente dans les roches hôtes des chromitites ou des couches riches en chromite. 1, record 11, French, - couche%20riche%20en%20chromite
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1995-12-07
Record 12, English
Record 12, Subject field(s)
- Mineralogy
Record 12, Main entry term, English
- colloform texture
1, record 12, English, colloform%20texture
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 CONT
Two commonly noted phenomena are the reorganization of exsolution bodies and the destruction of colloform textures.... A general decrease in the incidence of colloform textures with an increasing grade of metamorphism has been reported from pyritic deposits in the Urals, Japanese sulphide deposits and Canadian Precambrian volcanic masive sulphide deposits. Both these adjustments generally improve the ores from the point of view of the mineral processor. Exsolution bodies do not pass with their host grains into the wrong concentrate and the replacement of colloform textures by granular intergrowths leads to better mineral separation during grinding. 1, record 12, English, - colloform%20texture
Record number: 12, Textual support number: 2 CONT
Colloform textures are common in some ores. 1, record 12, English, - colloform%20texture
Record 12, French
Record 12, Domaine(s)
- Minéralogie
Record 12, Main entry term, French
- texture colloforme
1, record 12, French, texture%20colloforme
correct, see observation, feminine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
- structure colloforme 2, record 12, French, structure%20colloforme
correct, see observation, feminine noun
Record 12, Textual support, French
Record number: 12, Textual support number: 1 CONT
Textures et structures colloformes. [...] Il s'agit de dépôts en couches concentriques très fines, convexes vers la surface libre - ou la plus jeune - souvent mamelonnées et enrobant fréquemment des fragments de gangue. On a alors un cas particulier de texture concentrique ou «en cocardes». Ces surfaces courbes [...] peuvent [...] indiquer [...] une origine colloïdale et la précipitation rythmique à partir d'un gel, d'ou leur nom de «colloformes». [...] Les textures et structures colloformes se rencontrent le plus fréquemment dans la zone superficielle; elles sont alors d'origine supergène et un signe de basse température. Mais elles se rencontrent aussi plus profondément, dans des minéralisations hypogènes de température assez basse (cas de la pechblende). 1, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 2 CONT
Pisolithes et matrice sont fendillés et, dans ces fentes, on observe parfois de la gibbsite, de la boehmite ou du diaspore bien cristallisés [...] De telles structures ne peuvent s'expliquer que par un état colloïdal de la matière originelle, qui était un gel alumino-ferrique. Elles rentrent dans la catégorie de ces structures que l'on qualifie de «colloformes». 1, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 3 CONT
Les pechblendes montrent fréquemment une structure «colloforme», avec zones d'accroissement concentriques et souvent fissures radiales qui témoignent de la rétraction du gel qui leur a donné naissance. Cette structure, aussi bien que le contexte géologique et minéralogique pour certains gisements [...] montrent que ce sont des dépôts d'assez basse température. 1, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 4 CONT
Dans des sédiments argileux antécambriens s'intercalait un dépôt pyriteux syngénétique, avec textures colloformes, aujourd'hui encore reconnaissables par places. 1, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 5 CONT
[...] le minéral uranifère du Rand ne présente pas les structures colloformes si caractéristiques dans les pechblendes de filons [...] 1, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 1 OBS
Certains auteurs de langue anglaise [...] prennent texture à peu près dans le sens où nous employons structure et vice versa. 1, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 2 OBS
Les termes textures et structures [...] sont fréquemment employés l'un pour l'autre. L'usage veut cependant que : le terme texture désigne les relations spatiales entre deux ou plusieurs minéraux ou minerais; le terme structure concerne la morphologie d'un cristal ou d'un élément minéral étudié, sans tenir compte des relations spatiales entre ce cristal (ou cet élément minéral) et ses voisins. La structure d'un minéral est définie par le contenu de ce minéral, sa morphologie externe (forme et dimension), sa morphologie interne (macles, lacunes de croissance, inclusions, etc.) 3, record 12, French, - texture%20colloforme
Record number: 12, Textual support number: 3 OBS
Si l'étude des textures relève de l'observation directe [...], les structures ne peuvent être généralement étudiées qu'à l'aide d'instruments physiques ou de tests chimiques. En effet, l'échelle des observations est différente, les structures étant [...] de moindre dimension que les textures. 3, record 12, French, - texture%20colloforme
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 1992-10-09
Record 13, English
Record 13, Subject field(s)
- Tectonics
- Metals Mining
Record 13, Main entry term, English
- subsiding trough
1, record 13, English, subsiding%20trough
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 CONT
When relating the genesis of orebodies to major tectonic features such as island arcs and continental mountain chains it is essential to know the age relations between the mineral deposits and their host rocks... One of the reasons why a knowledge of age relations is important is that in the classical geosynclinal theory it was held that all the rocks of the geosyncline were formed within a subsiding linear trough. 1, record 13, English, - subsiding%20trough
Record 13, French
Record 13, Domaine(s)
- Tectonique
- Mines métalliques
Record 13, Main entry term, French
- fosse de subsidence
1, record 13, French, fosse%20de%20subsidence
correct, feminine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 CONT
La bauxite exploitée en Europe (...) forme une couche ou des poches déposées sur un mur calcaire ou dolomitique (...) Après son dépôt, une couche a été recouverte par des sédiments stériles dont l'épaisseur peut être énorme s'il s'agit d'une fosse de subsidence où les sédiments marins se sont accumulés. 1, record 13, French, - fosse%20de%20subsidence
Record number: 13, Textual support number: 1 OBS
Ne pas confondre avec le "bassin de subsidence", qui est une dépression ovale ou circulaire, alors que la fosse forme, par définition, une dépression allongée. 2, record 13, French, - fosse%20de%20subsidence
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 1988-04-13
Record 14, English
Record 14, Subject field(s)
- Geochemistry
- Geological Research and Exploration
Record 14, Main entry term, English
- shape of dispersion trains
1, record 14, English, shape%20of%20dispersion%20trains
correct
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 CONT
The shape of the dispersion trains in the soil and vegetation are variable, depending on the topography and a host of other factors. Some are essentially halos that surround the locus of mineralization below. Others are fan-shaped with their apexes at or near the mineral deposits. These are generally referred to as dispersion fans. 1, record 14, English, - shape%20of%20dispersion%20trains
Record 14, French
Record 14, Domaine(s)
- Géochimie
- Recherches et prospections géologiques
Record 14, Main entry term, French
- forme des auréoles
1, record 14, French, forme%20des%20aur%C3%A9oles
correct, feminine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 CONT
La forme des auréoles de gisements endogènes dépend du type de gîte. [...] Elle est complexe, mais proche de la forme du corps minéralisé : pour des corps subverticaux, elle est symétrique au corps et rappelle la flamme d'une bougie ou d'un flambeau; pour des corps faiblement inclinés ou subhorizontaux, la forme des auréoles est asymétrique et se trouve être plus développée au toit (partie supérieure) qu'au mur (partie inférieure) de la formation minéralisée. 1, record 14, French, - forme%20des%20aur%C3%A9oles
Record 14, Spanish
Record 14, Textual support, Spanish
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