Three New Candidate Rock Standards: Granite, Dunite and Anorthosite from Geological Survey of India, Bangalore

Abstract

Petrology, Petrochemistry and Ore Dressing (PPOD) Laboratories of the Airborne Mineral Surveys and Exploration (AMSE) Wing, Geological Survey of India, Bangalore has taken up the preparation of three International Rock Standards/Geostandards of a granite from Chamundi Hills, Mysore (designated as GSI-CG-1), a serpentinised dunite from Dodkanya dunite/magnesite mines, Mysore District (designated as GSI-DD-1) and an anorthosite from the Sittampundi Anorthosite Complex, Salem District, Tamil Nadu (designated as GSI-SA-1). Details of the three rock-standards are provided here for participative collaboration of interested geochemcial laboratories.