Mineralogical and chemical composition of some carbonate minerals from the Zillerthal Alps, Tyrol (Austria)

P. K. Hörmann; G. Morteani

doi:10.1007/BF01082920

Mineralogical and chemical composition of some carbonate minerals from the Zillerthal Alps, Tyrol (Austria)

P. K. Hörmann
, G. Morteani

Christian-Albrechts-University of Kiel

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

5 Scopus citations

Abstract

32 carbonate samples from a series of metamorphic rocks of greenschist to almandine-amphibolite facies in the Zillerthal Alps were investigated by optical and chemical methods, X-ray diffractometry, and the scanning electron microscope. The carbonates consist mainly of calcite which contains up to 11 mole % (MgCO₃+FeCO₃). Some of the calcites are characterized by skeleton-like dolomitic exsolutions of rhombohedral shape that are orientated on rhombohedron planes of the calcite matrix. The relations between metamorphic grade and calcite composition will be discussed. The (FeCO₃+MgCO₃)-content of calcite depends on the temperature of formation, CO₂ pressure, and the Fe and Mg concentrations of the carbonate-forming solutions.

Original language	English
Pages (from-to)	46-59
Number of pages	14
Journal	Tschermaks Mineralogische und Petrographische Mitteilungen
Volume	17
Issue number	1
DOIs	https://doi.org/10.1007/BF01082920
State	Published - Mar 1972
Externally published	Yes

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abstract = "32 carbonate samples from a series of metamorphic rocks of greenschist to almandine-amphibolite facies in the Zillerthal Alps were investigated by optical and chemical methods, X-ray diffractometry, and the scanning electron microscope. The carbonates consist mainly of calcite which contains up to 11 mole \% (MgCO3+FeCO3). Some of the calcites are characterized by skeleton-like dolomitic exsolutions of rhombohedral shape that are orientated on rhombohedron planes of the calcite matrix. The relations between metamorphic grade and calcite composition will be discussed. The (FeCO3+MgCO3)-content of calcite depends on the temperature of formation, CO2 pressure, and the Fe and Mg concentrations of the carbonate-forming solutions.",

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AU - Hörmann, P. K.

AU - Morteani, G.

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Y1 - 1972/3

N2 - 32 carbonate samples from a series of metamorphic rocks of greenschist to almandine-amphibolite facies in the Zillerthal Alps were investigated by optical and chemical methods, X-ray diffractometry, and the scanning electron microscope. The carbonates consist mainly of calcite which contains up to 11 mole % (MgCO3+FeCO3). Some of the calcites are characterized by skeleton-like dolomitic exsolutions of rhombohedral shape that are orientated on rhombohedron planes of the calcite matrix. The relations between metamorphic grade and calcite composition will be discussed. The (FeCO3+MgCO3)-content of calcite depends on the temperature of formation, CO2 pressure, and the Fe and Mg concentrations of the carbonate-forming solutions.

AB - 32 carbonate samples from a series of metamorphic rocks of greenschist to almandine-amphibolite facies in the Zillerthal Alps were investigated by optical and chemical methods, X-ray diffractometry, and the scanning electron microscope. The carbonates consist mainly of calcite which contains up to 11 mole % (MgCO3+FeCO3). Some of the calcites are characterized by skeleton-like dolomitic exsolutions of rhombohedral shape that are orientated on rhombohedron planes of the calcite matrix. The relations between metamorphic grade and calcite composition will be discussed. The (FeCO3+MgCO3)-content of calcite depends on the temperature of formation, CO2 pressure, and the Fe and Mg concentrations of the carbonate-forming solutions.

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SN - 0041-3763

VL - 17

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JO - Tschermaks Mineralogische und Petrographische Mitteilungen

JF - Tschermaks Mineralogische und Petrographische Mitteilungen

IS - 1

ER -

Mineralogical and chemical composition of some carbonate minerals from the Zillerthal Alps, Tyrol (Austria)

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