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Predictive Mineralogy

Possible unrecorded species at Cuprite Mine group, Beuhman Hill, Mount Fagan, Helvetia-Rosemont Mining District, Pima County, Arizona, 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%Azurite (64.09 %), Bornite (66.21 %), Chalcocite (63.99 %), Chalcopyrite (67.26 %), Chrysocolla (61.53 %), Epidote (69.84 %), Galena (65.16 %), Magnetite (50.54 %), Malachite (61.21 %), Molybdenite (66.37 %), Pyrite (67.27 %), Sphalerite (67.53 %), Tenorite (61.87 %), Wollastonite (59.81 %)
CalciteCaCO383.49%Epidote (51.60 %), Wollastonite (65.90 %)
CupriteCu2O55.29%Tenorite (55.30 %)
DiopsideCaMgSi2O650.54%Wollastonite (50.54 %)

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
53 : Other minerals with taphonomic origins50
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]48
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]40
45b : Oxidized fumarolic minerals (see also [#11]) - [Other oxidized fumarolic minerals]28
50 : Coal and/or oil shale minerals22
54 : Coal and other mine fire minerals (see also #51 and #56)22
56 : Slag and smelter minerals (see also #51 and #55)8
31 : Thermally altered carbonate, phosphate, and iron formations4
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)3
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)3