Thermochemistry of ordering and mixing in plagioclase feldspars.

M. A. Carpenter; J. D.C. McConnell; A. Navrotsky

Thermochemistry of ordering and mixing in plagioclase feldspars.

M. A. Carpenter, J. D.C. McConnell, A. Navrotsky

Research output: Contribution to journal › Article › peer-review

Abstract

Enthalpies of solution (DELTA H soln) of natural (low) and heat-treated (high) samples were measured in Pb₂B₂O₅ flux at approx 700oC. The high-T series show distinct (DELTA H soln) trends for C1 and I1 structures, while the low-T series show separate trends for 'e' and I1 structures. Enthalpies of ordering are significant at all compositions and are of the order of 2 kcal/mol.-C.M.B.H.

Original language	English (US)
Pages (from-to)	190-194
Number of pages	5
Journal	Progress in Experimental Petrology (N.E.R.C.)
Volume	6
State	Published - 1984
Externally published	Yes

ASJC Scopus subject areas

General Environmental Science
General Earth and Planetary Sciences

Cite this

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title = "Thermochemistry of ordering and mixing in plagioclase feldspars.",

abstract = "Enthalpies of solution (DELTA H soln) of natural (low) and heat-treated (high) samples were measured in Pb2B2O5 flux at approx 700oC. The high-T series show distinct (DELTA H soln) trends for C1 and I1 structures, while the low-T series show separate trends for 'e' and I1 structures. Enthalpies of ordering are significant at all compositions and are of the order of 2 kcal/mol.-C.M.B.H.",

author = "Carpenter, {M. A.} and McConnell, {J. D.C.} and A. Navrotsky",

year = "1984",

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volume = "6",

pages = "190--194",

journal = "Progress in Experimental Petrology (N.E.R.C.)",

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T1 - Thermochemistry of ordering and mixing in plagioclase feldspars.

AU - Carpenter, M. A.

AU - McConnell, J. D.C.

AU - Navrotsky, A.

PY - 1984

Y1 - 1984

N2 - Enthalpies of solution (DELTA H soln) of natural (low) and heat-treated (high) samples were measured in Pb2B2O5 flux at approx 700oC. The high-T series show distinct (DELTA H soln) trends for C1 and I1 structures, while the low-T series show separate trends for 'e' and I1 structures. Enthalpies of ordering are significant at all compositions and are of the order of 2 kcal/mol.-C.M.B.H.

AB - Enthalpies of solution (DELTA H soln) of natural (low) and heat-treated (high) samples were measured in Pb2B2O5 flux at approx 700oC. The high-T series show distinct (DELTA H soln) trends for C1 and I1 structures, while the low-T series show separate trends for 'e' and I1 structures. Enthalpies of ordering are significant at all compositions and are of the order of 2 kcal/mol.-C.M.B.H.

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ER -

Thermochemistry of ordering and mixing in plagioclase feldspars.

Abstract

ASJC Scopus subject areas

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