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Predictive Mineralogy

Possible unrecorded species at Mont-Dore Volcanic Field (Mont-Dore volcanic province), 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
MagnetiteFe2+Fe3+2O499.81%Aegirine-augite (54.11 %), Augite (53.49 %), Haüyne (55.34 %), Hedenbergite (57.46 %), Kaersutite (51.56 %), Nepheline (53.00 %), Nosean (55.46 %), Sodalite (53.90 %)
CalciteCaCO391.28%Diopside (54.07 %), Hedenbergite (60.34 %), Titanite (52.17 %)
PyriteFeS252.34%Hedenbergite (52.35 %)
ChalcopyriteCuFeS240.85%Hedenbergite (51.07 %)

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
35 : Ultra-alkali and agpaitic igneous rocks50
9 : Lava/xenolith minerals (hornfels, sanidinite facies)48
45a : Oxidized fumarolic minerals (see also [#11]) - [Sulfates, arsenates, selenates, antimonates]30
31 : Thermally altered carbonate, phosphate, and iron formations18
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)7
5 : Primary asteroid phases5
8 : Mafic igneous rocks4
19 : Granitic intrusive rocks4
6 : Secondary asteroid phases4
36 : Carbonatites, kimberlites, and related igneous rocks3