northwest Biogeochemistry in Mineral Exploration
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australian electronic gold prospecting forum.com  |  Geology and earth sciences  |  Earth sciences and related topics  |  Miscellaneous Geology links  |  Topic: Biogeochemistry in Mineral Exploration 0 Members and 1 Guest are viewing this topic. « previous next »
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« on: Sunday March 24 2019 10:43:22 AEDT AM »

Biogeochemistry in Mineral Exploration
 Biogeochemistry, or more precisely, phytogeochemistry, uses plants as the sample medium for exploration, in particular when soil samples cannot be taken due to inaccessibility or in areas of transported overburden. Vascular plants have evolved over 400 Ma to survive a wide range of physical and chemical conditions, and have developed mechanisms to absorb and scavenge elements and translocate them to foliage, twigs, bark, flowers and seeds. Some plants are able to solubilise Au by releasing such ligands as cyanide (observed in Acacia and Eucalyptus (Ma et al. 2009
  
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