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Journal of Sciences, Islamic Republic of Iran
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(1999). ELECTRON PARAMAGNETIC RESONANCE (EPR) SPECTROSCOPY AND GEOCHEMISTRY IN TIN EXPLORATION AT RENISON, TASMANIA AUSTRALIA. Journal of Sciences, Islamic Republic of Iran, 10(4), -.
. "ELECTRON PARAMAGNETIC RESONANCE (EPR) SPECTROSCOPY AND GEOCHEMISTRY IN TIN EXPLORATION AT RENISON, TASMANIA AUSTRALIA". Journal of Sciences, Islamic Republic of Iran, 10, 4, 1999, -.
(1999). 'ELECTRON PARAMAGNETIC RESONANCE (EPR) SPECTROSCOPY AND GEOCHEMISTRY IN TIN EXPLORATION AT RENISON, TASMANIA AUSTRALIA', Journal of Sciences, Islamic Republic of Iran, 10(4), pp. -.
ELECTRON PARAMAGNETIC RESONANCE (EPR) SPECTROSCOPY AND GEOCHEMISTRY IN TIN EXPLORATION AT RENISON, TASMANIA AUSTRALIA. Journal of Sciences, Islamic Republic of Iran, 1999; 10(4): -.

ELECTRON PARAMAGNETIC RESONANCE (EPR) SPECTROSCOPY AND GEOCHEMISTRY IN TIN EXPLORATION AT RENISON, TASMANIA AUSTRALIA

Article 6, Volume 10, Issue 4, Autumn 1999  XML PDF (819.57 K)
Abstract
Rock powder of dolomite samples from the Renison mine area of Tasmania,
Australia were analyzed by electron paramagnentic resonance spectroscopy (EPR),
Atomic Absorption and Mass Spectrometer to identify alteration related to
mineralisation. The least-altered dolomite samples, which are not effected by circulation
of diagenetic and hydrothermal fluids are characterised by low Mn and Fe and heavier
oxygen isotope values. In contrast, the altered samples are characterised by high Fe
and Mn and light oxygen isotope values. Significant differences in EPR intensity exist
between the unaltered and altered dolomite samples. The highly altered samples close
to the nlineralised area are characterised by strong EPR intensities of Mn sextets
observed at magnetic flux density sweeps over 326.3 2500 mT and 326.3 1000
mT, which correspond to the higher Mn and Fe and lighter oxygen isotope values. In
contrast, in the least-altered dolomites, away from the mineralised area, the EPR
intensity and Mn and Fe concentrations are low and oxygen isotope values are more
enriched
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