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Predictive Mineralogy

Possible unrecorded species at Tönchesberg, Kruft, Pellenz, Mayen-Koblenz, 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
PyriteFeS292.27%Calcite (51.16 %), Hematite (50.17 %), Jarosite (68.24 %)
MalachiteCu2(CO3)(OH)264.20%Volborthite (64.20 %)
Cordierite(Mg,Fe)2Al3(AlSi5O18)51.16%Osumilite-(Mg) (51.16 %)
ChalcopyriteCuFeS250.73%Jarosite (50.73 %)

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
31 : Thermally altered carbonate, phosphate, and iron formations50
20 : Acidic volcanic rocks37
35 : Ultra-alkali and agpaitic igneous rocks20
9 : Lava/xenolith minerals (hornfels, sanidinite facies)17
50 : Coal and/or oil shale minerals8
54 : Coal and other mine fire minerals (see also #51 and #56)8
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)6
51 : Pyrometamorphic minerals (see also #54 and #56)6
8 : Mafic igneous rocks6
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]5