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Predictive Mineralogy

Possible unrecorded species at Durango Girl Mine (Patented Claims: Durango Boy; MS 16438; Durango Girl; MS 16525; New Hope; MS 16525), La Plata Mining District (California Mining District), La Plata County, Colorado, 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
ChalcopyriteCuFeS299.70%Coloradoite (70.39 %), Dickite (54.00 %), Hessite (82.83 %), Petzite (73.64 %), Pyrite (51.72 %)
GalenaPbS78.81%Coloradoite (63.59 %), Dickite (50.00 %), Hessite (72.55 %), Petzite (70.42 %)
SphaleriteZnS77.54%Coloradoite (62.14 %), Hessite (72.26 %), Petzite (70.83 %)
CalciteCaCO351.10%Petzite (51.11 %)
KaoliniteAl2(Si2O5)(OH)450.40%Dickite (50.40 %)
AltaitePbTe44.66%Coloradoite (55.83 %)

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
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Unique: Coloradoite, Hessite, Petzite
100
50 : Coal and/or oil shale minerals1
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)1
47e : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Vanadates, chromates, manganates]1
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)1
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]1
28 : Photo-alteration, pre-biotic1
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)0
6 : Secondary asteroid phases0
11 : Volcanic fumarole minerals; reduced phases (see also #45)0
56 : Slag and smelter minerals (see also #51 and #55)0