Predictive Mineralogy

Possible unrecorded species at St. Jacob Mine (Griggs; MS 2426; Patented Claims: Hamilton; MS 2425; St. Jacob Group; St. Johns; MS 2427; St. Jacobs; MS 2428), Carson Mining District, Hinsdale County, Colorado, USA

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
Calcite	CaCO₃	81.07%	Baryte (51.88 %), Marcasite (60.67 %)

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
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) Unique: Enargite	100
50 : Coal and/or oil shale minerals	0
54 : Coal and other mine fire minerals (see also #51 and #56)	0
15 : Black/white smoker minerals and other seafloor hydrothermal minerals	0
49 : Oxic cellular biomineralization (see also #44)	0
11 : Volcanic fumarole minerals; reduced phases (see also #45)	0
55 : Anthropogenic mine minerals	0
53 : Other minerals with taphonomic origins	0
34 : Complex granite pegmatites	0
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits	0
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)	0