Journal of
Geology and Mining Research

  • Abbreviation: J. Geol. Min. Res.
  • Language: English
  • ISSN: 2006-9766
  • DOI: 10.5897/JGMR
  • Start Year: 2009
  • Published Articles: 176

Full Length Research Paper

Isotope dilution with high pressure asher acid digestion for the determination of platinum group elements in chromitite from katpal chromite mine in the Sukinda Ultramafic Complex, Eastern India

P. V. Sunder Raju1,2*, R. K. W. Merkle3, EVSSK Babu1, M. Satyanaryanan1 , K. V. Anjaiah1 and S. K. Mohanthy4
  1National Geophysical Research Institute, Hyderabad- 500606, (Council of Scientific and Industrial Research), India. 2Sciences de la Terre, Universite du Quebec a Chicoutimi, Chicoutimi, G7H 2B1, Canada 3Department of Geology, University of Pretoria, Pretoria- 0002. South Africa. 4Department of Mines and Geology, OMC, Sukinda, Orissa, India.
Email: [email protected]

  •  Accepted: 17 September 2010
  •  Published: 30 September 2010

Abstract

 

Chromitite samples were collected from a core from the Katpal chromite mine of Sukinda chromite field for characterization of mineralogy especially the platinum group minerals (PGM). Isotope dilution with High Pressure Asher (HPA-ID) technique has been used in this study to evaluate its ability to determine compositions from small quantities of sample (two grams of sample). Enrichment of Iridium group of platinum elements (IPGE) (Ir ~ 1717 ng/g; Ru ~ 20 ng/g) at depth of ~ 35-80 m in the investigated core suggests the presence of a strong potential zone for IPGE mineralization. The obtained data suggests similarities with the ‘Reef-type’ mineralization. 

 

Key words: Platinum group minerals (PGM), high pressure asher acid digestion (HPA-ID), iridium group of platinum elements.

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