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RETROGRADE MINERAL ASSEMBLAGE [1 record]
Record 1 - internal organization data 2011-02-21
Record 1, English
Record 1, Subject field(s)
- Mineralogy
- Geophysics
Record 1, Main entry term, English
- prograde metamorphic assemblage
1, record 1, English, prograde%20metamorphic%20assemblage
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- prograde mineral assemblage 1, record 1, English, prograde%20mineral%20assemblage
correct
- prograde assemblage 2, record 1, English, prograde%20assemblage
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Based on garnet-biotite geothermometry on the stable prograde metamorphic assemblage of enveloping metapelites, peak metamorphic conditions are approximated to be 570°C and 4 kbar(1 kbar=100 MPa).... Retrograde hornblende, garnet, zoisite, apatite, carbonate, ferroactinolite, and gold-bearing sulphide minerals replace the prograde mineral assemblages on the margins of quartz veins... 1, record 1, English, - prograde%20metamorphic%20assemblage
Record number: 1, Textual support number: 2 CONT
Petrological evidence from these rocks indicates four distinct metamorphic assemblages. The early prograde assemblage ... is preserved only in the high-pressure granulites and represented by quartz and rutile inclusions within the cores of garnet porphyroblasts, and omphacite pseudomorphs ... 3, record 1, English, - prograde%20metamorphic%20assemblage
Record number: 1, Textual support number: 1 OBS
prograde assemblage: term used at Natural Resources Canada - Earth Sciences Sector. 4, record 1, English, - prograde%20metamorphic%20assemblage
Record 1, French
Record 1, Domaine(s)
- Minéralogie
- Géophysique
Record 1, Main entry term, French
- assemblage métamorphique prograde
1, record 1, French, assemblage%20m%C3%A9tamorphique%20prograde
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- assemblage de métamorphisme prograde 2, record 1, French, assemblage%20de%20m%C3%A9tamorphisme%20prograde
proposal, masculine noun
- association produite par métamorphisme prograde 3, record 1, French, association%20produite%20par%20m%C3%A9tamorphisme%20prograde
feminine noun
- association de minéraux du métamorphisme prograde 2, record 1, French, association%20de%20min%C3%A9raux%20du%20m%C3%A9tamorphisme%20prograde
proposal, feminine noun
- association métamorphique prograde 2, record 1, French, association%20m%C3%A9tamorphique%20prograde
proposal, feminine noun
- association de métamorphisme prograde 2, record 1, French, association%20de%20m%C3%A9tamorphisme%20prograde
proposal, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les conditions d'apogée métamorphique ont été estimées à 570 °C et 4 kbar (1 kbar = 100 MPa) par une étude géothermométrique du grenat-biotite dans l'assemblage métamorphique, prograde et stable, de l'enveloppe de métapélites. [...] Les minéraux rétrogrades, représentés par hornblende, grenat, zoïsite, apatite, carbonate, ferro-actinote et sulfures aurifères remplacent les assemblages de minéraux progrades des bordures des filons de quartz [...] 1, record 1, French, - assemblage%20m%C3%A9tamorphique%20prograde
Record number: 1, Textual support number: 1 OBS
Des calculs géothermobarométriques, effectués [...] en utilisant l'assemblage à biotite-cordiérite-spinel-corindon-quartz, donnent des conditions P-T [pression-température] de 810 - 1260 °C et de 7.5 - 14 [...] kbar. Les textures sont difficiles à interpréter en terme de métamorphisme prograde ou rétrograde. 4, record 1, French, - assemblage%20m%C3%A9tamorphique%20prograde
Record number: 1, Textual support number: 2 OBS
métamorphisme prograde : Métamorphisme dans lequel les transformations sont dues à une augmentation de la pression et de la température provoquée par un enfouissement des terrains. 5, record 1, French, - assemblage%20m%C3%A9tamorphique%20prograde
Record number: 1, Textual support number: 3 OBS
faciès de métamorphisme : Association de minéraux bien particuliers qui permet de définir les conditions de pression et de température qui ont présidé à la formation d'une roche métamorphique. 6, record 1, French, - assemblage%20m%C3%A9tamorphique%20prograde
Record number: 1, Textual support number: 4 OBS
association produite par métamorphisme prograde : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 2, record 1, French, - assemblage%20m%C3%A9tamorphique%20prograde
Record 1, Spanish
Record 1, Textual support, Spanish
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