1999
DOI: 10.1007/s004100050466
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P  - T paths from anatectic pelites

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Cited by 515 publications
(400 citation statements)
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“…The displacement of the system minimum on addition of 2% B 2 O 3 and 2% F is shown by the grey lines (after Pichavant and Manning, 1984). Abbreviations: Ab -albite; And -andalusite; As -aluminosilicates; Bt -biotite; Crd -cordierite; Grt -garnet; L -liquid; Kfld -alkali feldspar; Ky -kyanite; Opx -orthopyroxene; Sil -sillimanite; V -vapour; Redrawn after Spear et al (1999). (1995).…”
Section: Accepted M Manuscriptmentioning
confidence: 99%
“…The displacement of the system minimum on addition of 2% B 2 O 3 and 2% F is shown by the grey lines (after Pichavant and Manning, 1984). Abbreviations: Ab -albite; And -andalusite; As -aluminosilicates; Bt -biotite; Crd -cordierite; Grt -garnet; L -liquid; Kfld -alkali feldspar; Ky -kyanite; Opx -orthopyroxene; Sil -sillimanite; V -vapour; Redrawn after Spear et al (1999). (1995).…”
Section: Accepted M Manuscriptmentioning
confidence: 99%
“…Larger amounts of leucosome, observed in association with the garnet-cordierite diatexite, are compatible with calculated P-T conditions, if it is considered that the following reaction was crossed during the progressive stage of rock P-T path: sillimanite + biotite + quartz = garnet + cordierite + orthoclase + liquid, in the KFMASH system, although plagioclase might be added as reactant as well (Spear et al 1999). Through the partial melting modeling of pelite, or adding plagioclase to have an aluminum-rich greywacke as protolith, the rock can cross this reaction at the calculated P-T conditions, producing, at least, 50% of partial melt and a residue dominated by cordierite and garnet, devoid of sillimanite, with minor amounts of or no biotite, as suggested by pseudosections calculated with sedimentary bulk compositions (White & Powell 2002;White et al 2007;Johnson et al 2008).…”
Section: Calculation Of Pressure and Temperature Of Metamorphism And mentioning
confidence: 65%
“…The fact that the minerals from the airport area (sample 02BH8) are distinctly more magnesian than those from Round Hill (sample 02BH15) indicates that the two samples equilibrated at different P, T conditions along that reaction. Since this reaction has a positive slope (Spear et al 1999), these relations indicate that the airport area equilibrated at higher T and P than Round Hill.…”
Section: Pelitic Assemblagesmentioning
confidence: 94%