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OCEAN-FLOOR METAMORPHISM [1 record]
Record 1 - internal organization data 2006-11-15
Record 1, English
Record 1, Subject field(s)
- Geology
- Oceanography
Record 1, Main entry term, English
- ocean-floor metamorphism
1, record 1, English, ocean%2Dfloor%20metamorphism
correct, see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
- sea-floor metamorphism 2, record 1, English, sea%2Dfloor%20metamorphism
- seafloor metamorphism 3, record 1, English, seafloor%20metamorphism
- sea floor metamorphism 4, record 1, English, sea%20floor%20metamorphism
see observation
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Ocean-floor metamorphism is a type of metamorphism of regional or local extent related to the steep geothermal gradient occurring near spreading centres in oceanic environments. The recrystallisation, which is mostly incomplete, encompasses a wide range of temperatures. The metamorphism is associated with circulating hot aqueous fluids (with related metasomatism) and typically shows an increasing temperature of metamorphism with depth. 5, record 1, English, - ocean%2Dfloor%20metamorphism
Record number: 1, Textual support number: 2 CONT
During extension at mid-ocean ridges (red-orange), convection carries heat to very shallow levels, where 7-km thick oceanic crust forms; hydrothermal circulation produces low P/T metamorphism, often called seafloor metamorphism: Many good examples of seafloor metamorphism are known from ophiolites in the Sierra Nevada and Klamaths. 3, record 1, English, - ocean%2Dfloor%20metamorphism
Record number: 1, Textual support number: 1 OBS
ocean-floor metamorphism; sea floor metamorphism: terms used at Natural Resources Canada - Earth Sciences Sector. 6, record 1, English, - ocean%2Dfloor%20metamorphism
Record 1, French
Record 1, Domaine(s)
- Géologie
- Océanographie
Record 1, Main entry term, French
- métamorphisme du fond océanique
1, record 1, French, m%C3%A9tamorphisme%20du%20fond%20oc%C3%A9anique
correct, see observation, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- métamorphisme de fond océanique 2, record 1, French, m%C3%A9tamorphisme%20de%20fond%20oc%C3%A9anique
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
métamorphisme du fond océanique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 3, record 1, French, - m%C3%A9tamorphisme%20du%20fond%20oc%C3%A9anique
Record 1, Spanish
Record 1, Textual support, Spanish
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