Paper Information

Journal:   JOURNAL OF GEOTECHNICAL GOLOGY (APPLIED GEOLOGY)   WINTER 2010 , Volume 5 , Number 4; Page(s) 266 To 284.
 
Paper: 

PETROLOGY AND GEOCHEMISTRY OF MAJOR ELEMENTS OF SOLTAN-MEYDAN BASALTIC SUITE

 
 
Author(s):  JAFARIAN A.R.*, EMAMI M.H., VOSOUGHI ABEDINI M.
 
* ISLAMIC AZAD UNIVERSITY, SCIENCE AND RESEARCH BRANCH, TEHERAN, IRAN
 
Abstract: 

The Soltan-Meydan basaltic suite (SMBS) contains a range of mafic volcanic rocks such as: basalt, trachybasalt, basaltic trachyandesite and basaltic andesite with a thickness of 1069 m.  High SiO2 and rhyolitic volcanic rocks in this suite may indicate bimodal volcanism. In addition, this suite includes xenolite of alkali feldspar granite at its agglomerate level, which indicates contamination of primary magma of SMBS by continental crust. This contamination becomes evident by samples with high K2O and high alkalinity. SMBS magmatism exhibits transitional character so that the samples plot near the discrimination line of alkaline and sub alkaline series, but they have a tendency to alkaline series.

 
Keyword(s): SOLTAN-MEYDAN BASALTS, CONTINENTAL BASALTS, TRANSITIONAL BASALTS, BIMODAL VOLCANISM
 
References: 
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