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Predictive Mineralogy

Possible unrecorded species at Mont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy

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
HematiteFe2O380.50%Parisite-(Ce) (59.59 %), Synchysite-(Ce) (51.76 %)
SphaleriteZnS77.30%Arsenopyrite (55.02 %), Chalcopyrite (50.66 %), Galena (65.95 %), Pyrrhotite (55.40 %)
MagnetiteFe2+Fe3+2O463.69%Parisite-(Ce) (63.70 %)
Bastnäsite-(Ce)Ce(CO3)F58.90%Parisite-(Ce) (58.90 %)
CerussitePbCO354.00%Vanadinite (54.01 %)
AegirineNaFe3+Si2O653.56%Riebeckite (53.56 %)
AutuniteCa(UO2)2(PO4)2 · 10-12H2O51.51%Torbernite (51.52 %)
WulfenitePb(MoO4)50.13%Vanadinite (50.14 %)

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
34 : Complex granite pegmatites50
35 : Ultra-alkali and agpaitic igneous rocks39
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]33
26 : Hadean detrital minerals25
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]25
36 : Carbonatites, kimberlites, and related igneous rocks22
31 : Thermally altered carbonate, phosphate, and iron formations18
47f : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Uranyl (U⁶⁺) minerals]16
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)13
53 : Other minerals with taphonomic origins9