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SKARNS ASSOCIATED WITH THE RIZE BATHOLITH, NORTH EРђSTERN TURKEY

A. Hezarkhani

First published: 2005DOI pendingView metrics

Abstract

According to the mineral compositions, paragenesis, relationships and the fluid inclusion microthermometry two stages of skarn alteration within the Rize pluton area have been identified. The first stage (stage I) was characterized by the Spurrite, vesuviavite, wollastonite, magnetite, pyroxene, gehlenite and garnet assemblages at high temperatures ( 750 oC). The second stage (II) occurred at lower temperature ( 500 oC) when the system collapsed, and is characterised by tremolite, low temperature vesuvianite, rustumite, epidote, calcite, apatite, titanite and hematite. The vesuvianite displays complex zoning due to fluctuations in the Al+3/Fe+3. The oscillation zones are interpreted to reflect fluid and rock-dominated control of Fe+3 and Al+3 activities, respectively, and batch-rise or episodic influx of fluid. It is also concluded that the original magma was so poor in metal complexes (CuCl2, MgCl2, AuCl2, \ldots) to form any economic deposit. The vesuvianite also acts as an index mineral to follow up the geochemical changes within the skarn.

Publication details

Title
SKARNS ASSOCIATED WITH THE RIZE BATHOLITH, NORTH EРђSTERN TURKEY
Authors
A. Hezarkhani
Proceedings
5th International Scientific Conference - SGEM2005
Publisher
SGEM Scientific GeoConference
Year
2005
Pages
15-30
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
References9

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