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The microcline/sanidine transformation isograd in metamorphic regions; western Tauern Window and Merano-Mules-Anterselva Complex (Eastern Alps)

W. H. Bernotat and G. Morteani
The microcline/sanidine transformation isograd in metamorphic regions; western Tauern Window and Merano-Mules-Anterselva Complex (Eastern Alps)
American Mineralogist (February 1982) 67 (1-2): 43-53

Abstract

The lattice parameters and optic axial angles of alkali feldspars were determined along eight N-S profiles. The 500 degrees C isotherm separates a northern area of exclusively low microclines (2V (sub alpha ) = or > 76 degrees and 0.95 = or < t (sub 1) O-t (sub 1) m = or < 1.0) from a southern area of 'high microclines' (2V (sub alpha ) = or < 76 degrees and 0.0 = or < t (sub 1) O-t (sub 1) m = or < 0.55). The isotherm represents the diffusive phase transformation of microcline/sanidine during prograde Alpine metamorphism.


ISSN: 0003-004X
EISSN: 1945-3027
Coden: AMMIAY
Serial Title: American Mineralogist
Serial Volume: 67
Serial Issue: 1-2
Title: The microcline/sanidine transformation isograd in metamorphic regions; western Tauern Window and Merano-Mules-Anterselva Complex (Eastern Alps)
Affiliation: Univ. Muenster, Inst. Mineral., Munster, Federal Republic of Germany
Pages: 43-53
Published: 198202
Text Language: English
Publisher: Mineralogical Society of America, Washington, DC, United States
References: 40
Accession Number: 1982-041844
Categories: Igneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. geol. sketch map
N46°30'00" - N48°00'00", E12°00'00" - E15°00'00"
Secondary Affiliation: Tech. Univ. Berlin, DEU, Federal Republic of Germany
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1982
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