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Predictive Mineralogy

Possible unrecorded species at Graulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany

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
QuartzSiO299.99%Alumohydrocalcite (50.94 %), Andradite (57.74 %), Aragonite (53.70 %), Baryte (60.21 %), Bornite (66.21 %), Calcite (62.43 %), Chabazite-Ca (50.66 %), Chalcocite (63.99 %), Chalcopyrite (67.26 %), Chrysocolla (61.53 %), Covellite (76.39 %), Cuprite (65.19 %), Dolomite (62.52 %), Flörkeite (66.67 %), Fluorapatite (70.90 %), Fluorite (66.12 %), Fresnoite (59.09 %), Halloysite (64.87 %), Hematite (62.61 %), Jarosite (68.17 %), Magnetite (50.54 %), Malachite (61.21 %), Montmorillonite (65.62 %), Opal (60.07 %), Oxyphlogopite (50.00 %), Pseudobrookite (50.25 %), Pyrrhotite (67.51 %), Ranciéite (77.40 %), Saponite (55.74 %), Sepiolite (61.45 %), Thaumasite (51.69 %), Titanite (65.16 %), Volborthite (60.23 %), Wollastonite (59.81 %), Yukonite (76.47 %), Zircon (64.02 %)
PyriteFeS299.99%Alumohydrocalcite (60.38 %), Baryte (50.79 %), Batisite (50.00 %), Bornite (70.77 %), Calcite (51.16 %), Chalcocite (65.95 %), Chalcopyrite (75.16 %), Covellite (80.77 %), Cuprite (58.26 %), Dolomite (58.22 %), Hematite (50.17 %), Jarosite (68.24 %), Malachite (52.79 %), Pyrrhotite (80.12 %), Ranciéite (53.37 %), Schorlomite (56.94 %), Thaumasite (51.69 %), Wollastonite (51.22 %), Yukonite (55.88 %)
AegirineNaFe3+Si2O699.21%Barytolamprophyllite (88.89 %), Lamprophyllite (83.15 %), Wöhlerite (58.33 %)
DiopsideCaMgSi2O698.37%Kalsilite (52.31 %), Perovskite (52.40 %), Priderite (64.18 %), Schorlomite (59.72 %), Wollastonite (50.54 %)
MicroclineK(AlSi3O8)93.44%Barytolamprophyllite (62.96 %), Lamprophyllite (62.92 %), Wöhlerite (52.27 %)
AlbiteNa(AlSi3O8)91.00%Schorlomite (51.39 %), Vishnevite (57.14 %), Wöhlerite (56.82 %)
EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)286.01%Barytolamprophyllite (55.56 %), Lamprophyllite (68.54 %)
SphaleriteZnS77.69%Barytolamprophyllite (62.96 %), Chalcopyrite (50.66 %), Covellite (64.68 %), Pyrrhotite (55.40 %)
Goethiteα-Fe3+O(OH)75.00%Ranciéite (50.00 %), Yukonite (50.00 %)
GalenaPbS73.24%Barytolamprophyllite (51.85 %), Chalcopyrite (51.07 %), Covellite (64.18 %)
PectoliteNaCa2Si3O8(OH)70.37%Barytolamprophyllite (70.37 %)
ArsenopyriteFeAsS64.70%Yukonite (64.71 %)
Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O64.28%Vishnevite (64.29 %)
IlmeniteFe2+TiO362.96%Barytolamprophyllite (62.96 %)
ScoroditeFe3+AsO4 · 2H2O58.82%Yukonite (58.82 %)
AzuriteCu3(CO3)2(OH)251.54%Cuprite (51.54 %)
MuscoviteKAl2(AlSi3O10)(OH)251.10%Montmorillonite (51.11 %)
WalstromiteBaCa2(Si3O9)50.00%Fresnoite (50.00 %)
RutileTiO250.00%Oxyphlogopite (50.00 %)

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: Barytolamprophyllite, Emmerichite, Götzenite, Lamprophyllite, Lileyite, Vishnevite
636
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]

Unique: Günterblassite, Halloysite, Hillesheimite
344
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Unique: Fresnoite, Scottyite
197
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)

Unique: Gismondine Subgroup
126
7 : Ultramafic igneous rocks

Unique: Noonkanbahite
113
47h : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]

Unique: Batiferrite
101
10 : Basalt-hosted zeolite minerals

Unique: Willhendersonite
101
8 : Mafic igneous rocks

Unique: Flörkeite
100
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]23
45a : Oxidized fumarolic minerals (see also [#11]) - [Sulfates, arsenates, selenates, antimonates]17
34 : Complex granite pegmatites16
24 : Authigenic minerals in terrestrial sediments (see also #17)16
56 : Slag and smelter minerals (see also #51 and #55)14
25 : Evaporites (prebiotic)14
47d : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Arsenates, antimonates, selenates, bismuthinates]12
36 : Carbonatites, kimberlites, and related igneous rocks11
9 : Lava/xenolith minerals (hornfels, sanidinite facies)10
47b : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Sulfates and sulfites]10