1887
Volume 26, Issue 2-3
  • ISSN: 0812-3985
  • E-ISSN: 1834-7533

Abstract

The Mt Leyshon magnetic anomaly is an intense magnetic low located to the south of the Mt Leyshon Gold Mine. Recent investigations including deep drilling, detailed core logging, petrophysical measurements and magnetic modelling indicate the source of the anomaly to be biotite-magnetite alteration. Geological relationships suggest that this alteration is an early hydrothermal phase of the breccia complex whereas the gold mineralisation is interpreted as post dating emplacement of the breccia complex.

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1995-06-01
2026-01-12
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References

  1. Lackie M.A., Clarke D.A. and French D.H., 1991, Rock Magnetism and Palaeomagnetism of the Mt Leyshon Gold Mine in northeast Queensland. Report on AMIRA project 78P96C, June 1991.
  2. Morrison G.W., Teale G.S. and Hodkinson I., 1987, Geology and gold mineralisation at Mt Leyshon, North Queensland. Proceedings of the PacRim Congress 87, The Australasian Institute of Mining and Metallurgy: Melbourne, 777-780
  3. Morrison G.W., Teale G.S. and Hodkinson I., 1988, The Mt Leyshon Gold Deposit in Epithermal and porphyry style gold deposits in North Queensland, Bicentennial Gold 88 excursion handbook, Economic Geology Research Unit, Contribution 29, James Cook University, 43-55.
  4. Paull PL., Hodkinson LP., Morrison G.W., and Teale G.S., 1990, Mt Leyshon Gold Deposit in Geology of the mineral deposits of Australia and Papua
  5. New Guinea, F.E.Hughes Ed. The Australasian Institute of Mining and Metallurgy, 1471-1481.
  6. Parkinson W.D., 1983, Introduction to Geomagnetism. Scottish Academic Press.
  7. Peters S.G., 1987, Geology, lode descriptions and mineralisation of the Charters Towers goldfield, northeastern Queensland. Economic Geology Research Unit, Contribution 19, James Cook University.
  8. Wormald P.J., Orr T.O.H. and Hodkinson LP, 1991, The Mt Leyshon Gold Mine (NE Queensland), an intrusive breccia and igneous complex, in World Gold 91, 223-232.
  9. Wormald P.J., 1993, Geology of the Mt Leyshon gold deposit, Australia: A study of breccia pipe formation, facies and brecciation mechanisms. unpublished PhD Thesis, James Cook University.
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