Element Concentrations in Soils and Other Surfici - Finding Heaps of GOLD in Sand! - YouTube
Crushed 97 1554 Graphite 48 769 ... Iron Chromite 114 1826 Iron Fillings 180 2884 Iron Ore 162 2595 Iron Oxide 80 1282 Iron Oxide (Black) 161 2579 ... Sand 99 1586 . Sand (Dry) 110 1762 Sand (Fine) 125 2002 Sand (Foundry) 100 1602 2011· Iron Staining & Gossans: Not all veins produce much quartz – gold bearing veins can consist of calcite or mostly sulfides – which often weather into iron stained spots when the pyrites convert to iron oxides. Large amounts of iron oxides like hematite,
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