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Predictive Mineralogy

Possible unrecorded species at Macedon Ranges Shire, Victoria, Australia

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
AnalcimeNa(AlSi2O6) Β· H2O98.66%Gonnardite (67.86 %), Mesolite (52.00 %), Natrolite (56.38 %), Phillipsite-Ca (53.33 %), Thomsonite-Ca (57.41 %)
ChalcopyriteCuFeS289.01%Copper (53.15 %), Pyrite (51.72 %), Siderite (51.43 %)
AegirineNaFe3+Si2O688.39%Aenigmatite (67.17 %), Arfvedsonite (64.64 %)
GypsumCaSO4 Β· 2H2O82.79%Halotrichite (61.51 %), Pickeringite (55.31 %)
PhlogopiteKMg3(AlSi3O10)(OH)262.93%Richterite (62.93 %)
DiopsideCaMgSi2O658.62%Richterite (58.62 %)
DolomiteCaMg(CO3)253.94%Huntite (53.95 %)
MuscoviteKAl2(AlSi3O10)(OH)252.79%Albite (52.80 %)

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

Unique: Halloysite
100
25 : Evaporites (prebiotic)12
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)12
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]11
35 : Ultra-alkali and agpaitic igneous rocks6
36 : Carbonatites, kimberlites, and related igneous rocks6
17 : Marine authigenic Hadean minerals (see also #24)6
14 : Hot springs, geysers, and other subaerial geothermal minerals3
50 : Coal and/or oil shale minerals3
54 : Coal and other mine fire minerals (see also #51 and #56)3
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)3