SEM-EDS study of the platinum-group minerals in the PGE mineralized Hanumalapura segment of the layered mafic-ultramafic complex of Channagiri Davangere district, Karnataka

Journal of the Geological Society of India

Volumn 65, Issue 6, 2005, Pages 745-752

  Devaraju, T C ^a   Alapieti, T T ^b   Kaukonen, R J ^b  

^a KUVEMPU UNIVERSITY   (India)

^b UNIVERSITY OF OULU   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

MINERALIZATION; PLATINUM GROUP ELEMENT;

ASIA; EASTERN HEMISPHERE; EURASIA; INDIA; KARNATAKA; SOUTH ASIA; WORLD;

EID: 25844441594     PISSN: 00167622     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Alapieti, T.T., Halkoaho, T.A.A., Devaraju, T.C. and Jayaraj, K.R. (1994) Chromitite-hosted PGE mineralization in the Channagiri area, Karnataka State, India. VII International Platinum Symposium, 1-4 August, Moscow (Abstract), pp.3-4.
2. Alapieti, T.T. and Lahtinen (1986) Stratigraphy, petrology and platinum-group element mineralization of the early Proterozoic Penikat layered intrusion, Northern Finland. Econ. Geol. v.81, pp.1126-1136.
3. Cabri, L.J. (1981) The platinum-group minerals. In: L.J. Cabri (Ed.), Platinum-group elements: Mineralogy, Geology and Recovery. Canadian Institute of Mining and Metallurgy Montreal, CIM Spec. Publ., v.23, pp.83-150.
4. Cawthorn, R.G. (1999) Platinum-group element mineralization in the Bushveld complex: A critical reassessment of geochemical models. South African Jour. Geol., v.102(3), pp.268-281.
5. Chadwick, B., Vasudev, V.N. and Jayaram, S. (1988) Stratigraphy and structure of Late Archaean Dharwar volcanic and sedimentary rocks and their basement in a part of the Shimoga Basin, East of Bhadravathi, Karnataka. Jour. Geol. Soc. India, v.32 pp.1-19.
6. Coghill, B.M. and Wilson, A.H. (1993) Platinum-group minerals in the Selukwe subchamber, Great Dyke, Zimbabwe: Implications for PGE collection mechanisms and post-formational redistribution. Mineral. Mag., v.57 pp.613-633.
7. Daltry, V.D.C. and Wilson, A.H. (1997) Review of platinum-group mineralogy: compositions and elemental associations of the PG-minerals and unidentified PGE-phases. Mineral. Petrol., v.60, pp.185-229.
8. Devaraju, T.C., Alapieti, T.P., Halkoaho, T.A.A., Jayaraj, K.R. and Khanadali, S.D. (1994) Evidence of PGE mineralization in the Channagiri mafic complex, Shimoga district, Karnataka, Jour. Geol. Soc. India, v.43, pp.317-318.
9. Halkoaho, T. (1994) The Sompujarvi and Ala-Penikka PGE reefs in the Penikat layered intrusion, Northern Finland: Implications for PGE reef-forming processes. Doctoral dissertation submitted to Faculty of Sci., Univ. Oulu, Finland, pp.115.
10. Hiemstra, S.A. (1985) The distribution of some platinum-group elements in the UG2 chromite layer of the Bushveld complex. Econ. Geol. v.80, pp.944-957.
11. Merkle, R.K.W. (1992) Platinum-group minerals in the middle group of chromitite layers at Marikana, western Bushveld complex: indications for collection mechanisms and post magmatic modification. Can. Jour. Earth Sci. v.29, pp.209-221.
12. Mutanen, T. (989) Koitelainen intrusion and Keivista-Satovaara complex. Excursion Guide 5th International Platinum Symposium. Geol. Surv. Finland, Guide 28, pp.1-49.
13. Naldrett, A.J. and Lehmann, J. (1988) Spinel non-stoichiometry as the explanation for Ni, Cu- and PGE-enriched sulphides in chromites. In: H.M. Prichard, P.J.Potts, J.F.N. Bowles and S.J. Cribb (Eds.), Geoplatinum 87 Symposium, London, Elsevier, pp.93-109.
14. Scoon, R.N. and Teigler, B. (1994) Platinum-group element mineralization in the critical zone of the western Bushveld Complex: I Sulphide-poor chromitites below the UG2. Econ. Geol. v.89, pp.1094-1121.
15. Tredoux, M., Lindsay, N.M., Davies, G. and MacDonald, I. (1995) The fractionation of platinum-group elements in magmatic systems with the suggestion of a novel causal mechanism. South African Jour. Geol, v.98, pp.157-167.
16. von Gruenewaldt, G., Hulbert, J. and Naldrett, A.J. (1989) Contrasting platinum-group element concentration patterns in cumulates of the Bushveld Complex. Mineralium Deposita, v.24, pp.219-229.