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Predictive Mineralogy

Possible unrecorded species at Gilt Edge Mine (Rattlesnake Jack; Dakota Maid; Ruby Ridge; Gilt Edge Glory Hole; Oro-Fina; Anchor Hill Mines 0460810072), Galena, Galena Mining District, Lawrence County, South Dakota, USA

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

Possible missing speciesFormulaMatch %Due to recorded presence of
QuartzSiO299.99%Alunite (61.80 %), Alunogen (51.77 %), Chalcopyrite (67.26 %), Chlorargyrite (57.87 %), Ferricopiapite (68.00 %), Galena (65.16 %), Gold (52.20 %), Kaolinite (71.35 %), Orthoclase (76.14 %), Pyrite (67.27 %), Silver (59.03 %), Sphalerite (67.53 %)
GypsumCaSO4 Β· 2H2O84.23%Alunogen (58.52 %), Ferricopiapite (62.00 %)
HalotrichiteFeAl2(SO4)4 Β· 22H2O60.00%Ferricopiapite (60.00 %)
CalciteCaCO358.00%Ferricopiapite (58.00 %)
MuscoviteKAl2(AlSi3O10)(OH)251.80%Kaolinite (51.81 %)
SulphurS850.00%Ferricopiapite (50.00 %)

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 ModeScore
47g : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Halogen-bearing surface weathering minerals]

Unique: Chlorargyrite
100
45a : Oxidized fumarolic minerals (see also [#11]) - [Sulfates, arsenates, selenates, antimonates]5
47b : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Sulfates and sulfites]5
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]4
54 : Coal and other mine fire minerals (see also #51 and #56)1
50 : Coal and/or oil shale minerals1
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])1
36 : Carbonatites, kimberlites, and related igneous rocks1
38 : Ophiolites1
7 : Ultramafic igneous rocks1
47h : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]1