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Predictive Mineralogy

Possible unrecorded species at Perkoa Zinc Project, Réo Department, Sanguié Province, Centre-Ouest Region, Burkina Faso

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
SilverAg82.75%Dyscrasite (58.82 %), Pearceite (58.12 %)
RhodochrositeMnCO371.87%Pyrochroite (71.88 %)
CerussitePbCO371.50%Corkite (71.51 %)
AcanthiteAg2S63.96%Pearceite (63.96 %)
MalachiteCu2(CO3)(OH)263.68%Corkite (63.69 %)
AnglesitePbSO459.77%Corkite (59.78 %)
HausmanniteMn2+Mn3+2O457.81%Pyrochroite (57.81 %)
Polybasite[Ag6Sb2S7][Ag9CuS4]51.29%Pearceite (51.30 %)
PyromorphitePb5(PO4)3Cl49.60%Corkite (62.01 %)

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
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Unique: Dyscrasite, Freibergite Subgroup, Pearceite, Ullmannite
373
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]

Unique: Halloysite
100
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)6
47b : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Sulfates and sulfites]4
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits4
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]3
31 : Thermally altered carbonate, phosphate, and iron formations3
39 : High-𝑃 metamorphism (blueschist, eclogite, ultrahigh 𝑃 facies)3
6 : Secondary asteroid phases3
19 : Granitic intrusive rocks3
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)3
34 : Complex granite pegmatites2