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Predictive Mineralogy

Possible unrecorded species at La Contrie quarry, Chantenay, Nantes, Nantes, Loire-Atlantique, Pays de la Loire, 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
QuartzSiO266.11%Fluorite (66.12 %)

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
54 : Coal and other mine fire minerals (see also #51 and #56)50
53 : Other minerals with taphonomic origins50
50 : Coal and/or oil shale minerals50
49 : Oxic cellular biomineralization (see also #44)50
36 : Carbonatites, kimberlites, and related igneous rocks50
35 : Ultra-alkali and agpaitic igneous rocks50
34 : Complex granite pegmatites50
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits50
31 : Thermally altered carbonate, phosphate, and iron formations50
26 : Hadean detrital minerals50