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URL: https://www.mindat.org/missing_minerals.php?id=239182

⇱ Predictive Mineralogy


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Predictive Mineralogy

Possible unrecorded species at Dore river alluvial deposits, Dorat, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France

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%Anatase (75.16 %), Andalusite (59.24 %), Arsenopyrite (80.07 %), Galena (65.16 %), Hematite (62.61 %), Magnetite (50.54 %), Pyrite (67.27 %), Rutile (72.22 %), Titanite (65.16 %), Zircon (64.02 %)
ChalcopyriteCuFeS273.54%Arsenopyrite (61.33 %), Galena (56.79 %), Pyrite (51.72 %)
SphaleriteZnS67.74%Arsenopyrite (55.02 %), Galena (65.95 %)
CalciteCaCO352.16%Titanite (52.17 %)

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
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)50
26 : Hadean detrital minerals38
34 : Complex granite pegmatites38
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)35
19 : Granitic intrusive rocks33
36 : Carbonatites, kimberlites, and related igneous rocks28
38 : Ophiolites24
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)18
37 : Layered igneous intrusions and related PGE minerals17
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])17