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Predictive Mineralogy

Possible unrecorded species at Neath Port Talbot, Wales, UK

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
AzuriteCu3(CO3)2(OH)299.74%Chalcophyllite (65.78 %), Cuprite (51.54 %), Connellite (50.86 %), Devilline (58.64 %), Langite (53.49 %), Posnjakite (58.15 %), Spangolite (61.24 %)
GoethiteΞ±-Fe3+O(OH)94.99%Connellite (52.87 %), Devilline (51.87 %), Langite (50.97 %), Spangolite (55.04 %)
CerussitePbCO394.95%Devilline (52.10 %), Langite (53.94 %), Posnjakite (50.00 %), Spangolite (54.26 %)
CovelliteCuS54.49%Posnjakite (54.49 %)
OliveniteCu2(AsO4)(OH)52.00%Chalcophyllite (52.00 %)
BaryteBaSO440.88%Chalcophyllite (51.11 %)

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
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)

Unique: Siegenite
100
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]20
47b : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Sulfates and sulfites]14
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)6
56 : Slag and smelter minerals (see also #51 and #55)6
47g : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Halogen-bearing surface weathering minerals]6
53 : Other minerals with taphonomic origins5
55 : Anthropogenic mine minerals5
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]5
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)4
50 : Coal and/or oil shale minerals4