from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A phyllosilicate clay mineral chemically composed of aluminium, silicon, hydrogen and oxygen.
Gold is associated with extensive zones of vuggy silica, quartz-alunite and quartz-dickite-kaolinite alteration.
The 126 bandwidth hyperspectral survey data provides far superior resolution than space borne platforms such as ASTER and has the ability to identify the specific hydrothermal alteration minerals (such as dickite and alunite) that are commonly associated with epithermal and porphyry related deposits.
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