Predictive Mineralogy

Possible unrecorded species at Campanili Quarry (Campanili quarries), Colonnata, Colonnata quarrying basin, Carrara, Massa-Carrara Province, Tuscany, Italy

This table is based on statistical analysis of other localities containing similar species to the ones found at this locality.

Possible missing species	Formula	Match %	Due to recorded presence of
Pyrite	FeS₂	89.59%	Dolomite (58.22 %), Sphalerite (75.10 %)
Calcite	CaCO₃	65.12%	Dolomite (65.13 %)
Galena	PbS	59.74%	Sphalerite (74.68 %)
Chalcopyrite	CuFeS₂	51.03%	Sphalerite (63.80 %)

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 Mode	Score
49 : Oxic cellular biomineralization (see also #44)	50
6 : Secondary asteroid phases	38
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)	35
50 : Coal and/or oil shale minerals	33
54 : Coal and other mine fire minerals (see also #51 and #56)	33
36 : Carbonatites, kimberlites, and related igneous rocks	27
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits	27
34 : Complex granite pegmatites	25
25 : Evaporites (prebiotic)	25
21 : Chemically precipitated carbonate, phosphate, iron formations	25