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Predictive Mineralogy

Possible unrecorded species at Gunhildrud, Øvre Eiker, Buskerud, Norway

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
CalciteCaCO399.98%Andradite (61.21 %), Bavenite (51.90 %), Bustamite (65.55 %), Epistilbite (64.56 %), Hydrocerussite (66.22 %), Löllingite (51.02 %), Nordenskiöldine (52.94 %), Sepiolite (55.64 %), Titanite (52.17 %), Vesuvianite (57.54 %)
ChalcopyriteCuFeS299.88%Arsenopyrite (61.33 %), Bismite (55.00 %), Bustamite (52.94 %), Galena (56.79 %), Hydrocerussite (53.78 %), Löllingite (64.20 %), Molybdenite (60.83 %), Pyrite (51.72 %)
SphaleriteZnS98.68%Arsenopyrite (55.02 %), Bustamite (53.78 %), Galena (65.95 %), Hydrocerussite (54.22 %), Löllingite (59.55 %)
BerylBe3Al2(Si6O18)90.64%Bavenite (51.21 %), Columbite-(Fe) (57.46 %), Phenakite (54.92 %)
CerussitePbCO382.66%Hydrocerussite (82.67 %)
DiopsideCaMgSi2O680.63%Nordenskiöldine (58.82 %), Vesuvianite (52.97 %)
AegirineNaFe3+Si2O677.02%Astrophyllite (77.02 %)
AnglesitePbSO467.55%Hydrocerussite (67.56 %)
MalachiteCu2(CO3)(OH)263.11%Hydrocerussite (63.11 %)
BismuthiniteBi2S360.00%Bismite (60.00 %)
BismuthBi59.16%Bismite (59.17 %)
RhodoniteCaMn3Mn[Si5O15]57.98%Bustamite (57.98 %)
Gadolinite-(Y)Y2Fe2+Be2Si2O1053.33%Tengerite-(Y) (53.33 %)

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
35 : Ultra-alkali and agpaitic igneous rocks

Unique: Astrophyllite
130
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]

Unique: Halloysite
103
47h : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]

Unique: Bismite
100
18 : Minerals formed by freezing

Unique: Hydrohalite
100
34 : Complex granite pegmatites79
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)45
26 : Hadean detrital minerals35
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)8
31 : Thermally altered carbonate, phosphate, and iron formations8
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)5
19 : Granitic intrusive rocks5
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])4
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)4
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)4