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Predictive Mineralogy

Possible unrecorded species at Ainai mine, Kosaka, Akita Prefecture, Japan

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
QuartzSiO299.98%Bornite (66.21 %), Braunite (61.83 %), Chalcocite (63.99 %), Chalcopyrite (67.26 %), Copper (56.56 %), Galena (65.16 %), Pyrite (67.27 %), Pyrolusite (54.91 %), Sphalerite (67.53 %)
MalachiteCu2(CO3)(OH)256.19%Chalcocite (56.20 %)

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
47h : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]50
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits49
47e : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Vanadates, chromates, manganates]47
24 : Authigenic minerals in terrestrial sediments (see also #17)9
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)8
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)5
50 : Coal and/or oil shale minerals5
54 : Coal and other mine fire minerals (see also #51 and #56)5
15 : Black/white smoker minerals and other seafloor hydrothermal minerals5
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])4