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DOMAINE PRESSION-TEMPERATURE [1 record]
Record 1 - internal organization data 2009-05-20
Record 1, English
Record 1, Subject field(s)
- Geophysics
Record 1, Main entry term, English
- P-T field
1, record 1, English, P%2DT%20field
correct, see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
- pressure-temperature field 2, record 1, English, pressure%2Dtemperature%20field
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Temperature and pressure are important factors in determining the new minerals that form in a metamorphic rock. Different minerals form under different prssure and temperature conditions. As pressures and temperatures change, a mineral reaches the edge of its stability field and breaks down to form new minerals that are stable in the new pressure-temperature field. Higher-temperature minerals tend to be less dense than lower-temperature minerals. The higher temperatures also speed up the chemical reactions that take place during metamorphism. 2, record 1, English, - P%2DT%20field
Record number: 1, Textual support number: 1 OBS
P-T field: term used at Natural Resources Canada - Earth Sciences Sector. 3, record 1, English, - P%2DT%20field
Record 1, French
Record 1, Domaine(s)
- Géophysique
Record 1, Main entry term, French
- domaine pression-température
1, record 1, French, domaine%20pression%2Dtemp%C3%A9rature
correct, see observation, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Le métamorphisme est [...] lié à des variations de température/pression [...] il se produit à l’état solide et il se manifeste par une recristallisation de tous types de roches préexistantes. Le métamorphisme [est donc] la transformation de roches préexistantes sous l’effet de l’augmentation de la température, amplifiée ou non par une augmentation de pression. [...] Trois grand domaines pression-température [...] peuvent être individualisés, de l’intensité la plus faible à l’intensité la plus forte du métamorphisme : épizone, mésozone, catazone. 2, record 1, French, - domaine%20pression%2Dtemp%C3%A9rature
Record number: 1, Textual support number: 1 OBS
domaine pression-température : terme en usage à Ressources naturelles Canada-Secteur des sciences de la Terre. 3, record 1, French, - domaine%20pression%2Dtemp%C3%A9rature
Record 1, Spanish
Record 1, Textual support, Spanish
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