Petrology Chapter 7
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Petrology Chapter 7 Gautam Sen
description
Petrology Chapter 7. Gautam Sen. Melting of peridotite vs. eclogite. Isobaric melting of lherzolite. Compositional Change in Residue. Isotopes, Enrichment & Depletion. Magma composition vs. F, P, T. Stolper (1980) Peridotite melting at 1 atm to 2 GPa. . - PowerPoint PPT Presentation
Transcript of Petrology Chapter 7
![Page 1: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/1.jpg)
Petrology Chapter 7Gautam Sen
![Page 2: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/2.jpg)
Melting of peridotite vs. eclogite
![Page 3: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/3.jpg)
Isobaric melting of lherzolite
![Page 4: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/4.jpg)
Compositional Change in Residue
![Page 5: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/5.jpg)
Isotopes, Enrichment & Depletion
![Page 6: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/6.jpg)
Magma composition vs. F, P, T
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Stolper (1980) Peridotite melting at 1 atm to 2 GPa.
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Takahashi & Kushiro: Polybaric malting of peridotite
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Oxide% variation in partial melts
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Oxide variation as F
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Eclogite melting
![Page 12: Petrology Chapter 7](https://reader036.fdocuments.us/reader036/viewer/2022062222/568164d1550346895dd6fed2/html5/thumbnails/12.jpg)
Effect of volatile phases on mantle solidus and melt composition
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Eclogite+Liq field in the CMAS system at 3 GPa (Presnall)
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Peridotite vs. eclogite melting