Predictive Mineralogy

Possible unrecorded species at Danzhai Hg-Au deposit, Danzhai County, Qiandongnan, Guizhou, China

This table is based on statistical analysis of other localities containing similar species to the ones found at this locality.

Possible missing species	Formula	Match %	Due to recorded presence of
Chalcopyrite	CuFeS₂	65.06%	Pyrite (51.72 %), Arsenopyrite (61.33 %)
Sphalerite	ZnS	44.01%	Arsenopyrite (55.02 %)
Galena	PbS	42.88%	Arsenopyrite (53.61 %)

Key: Mineral matches key element mineralogy of deposit Key element(s) in mineral not listed for deposit (-20% score)

Predicting paragenetic modes of deposit

Green indicates almost certain match based on minerals unique to a certain deposit type. Yellow indicates a possibly poor match, but should not be entirely discounted. Scores > 100 indicate strong confidence.

Paragenetic Mode	Score
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])	50
6 : Secondary asteroid phases	33
14 : Hot springs, geysers, and other subaerial geothermal minerals	30
50 : Coal and/or oil shale minerals	16
54 : Coal and other mine fire minerals (see also #51 and #56)	15
37 : Layered igneous intrusions and related PGE minerals	14
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)	12
11 : Volcanic fumarole minerals; reduced phases (see also #45)	9
24 : Authigenic minerals in terrestrial sediments (see also #17)	6
56 : Slag and smelter minerals (see also #51 and #55)	6