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Paper Information

Journal:   JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)   FALL 2007 , Volume 17 , Number 65 (GEOLOGY ISSUE); Page(s) 17 To 26.
 
Paper: 

SEPARATION TUNGSTEN AND RARE METALS MINERALIZATION ORIGINS IN KELARDASHT AREA (NORTH OF IRAN)

 
 
Author(s):  KHODA PARAST M.*, RASAE I., VOSOUGHI ABEDINI M., KHAKZAD A.
 
* GEOLOGY DEPARTMENT, SCIENCE AND RESEARCH CAMPUS, ISLAMIC AZAD UNIVERSITY, TEHRAN, IRAN
 
Abstract: 
The case study area is situated in south west of Kelardasht in south of Chalus city. The intrusion of granitoid, metamorphism and development of skam in the contact zone of igneous intrusions, prepareconditions for mineralization. Based on the existing evidences, the Akapol granodioritic body of Paleocene age intrudes into carbonate sedimentary rocks and is cross cut by Alam kuh granitic apophyses of Miocene age. The granitoides are divided into alkaline and sub-alkaline groups. The granodiorites which are derived from gabbrodiorite magma are set in calk alkaline suite and show I type magma generation. Whereas the granites, has potassic alkaline nature and are of A type characteristics. The geochemical parameters, elemental correlation, petrology and petrography indicate that tungsten mineralization depend on to granite rocks, but rare metals mineralizations such as Nb-Ta is related to gabbrodiorites and altered diorite.
 
Keyword(s): MINERALIZATION, TUNGSTEN, NIOBIUM, TANTALUM, GRANITOIDE, KELARDASHT, SOUTH OF CHALUS
 
References: 
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