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Predictive Mineralogy

Possible unrecorded species at Jiguanshi Ag-(Au) deposit, Yi'an District, Tongling, Anhui, China

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%Albite (78.81 %), Chalcopyrite (67.26 %), Cubanite (63.93 %), Magnesio-hastingsite (54.08 %), Magnetite (50.54 %), Pyrite (67.27 %), Pyrrhotite (67.51 %), Silver (59.03 %), Zircon (64.02 %)
SphaleriteZnS75.85%Chalcopyrite (50.66 %), Cubanite (76.46 %), Pyrrhotite (55.40 %)
GalenaPbS73.14%Chalcopyrite (51.07 %), Cubanite (63.07 %), Silver (52.62 %)
MuscoviteKAl2(AlSi3O10)(OH)252.79%Albite (52.80 %)
CalciteCaCO351.02%Magnesio-hastingsite (51.02 %)
DiopsideCaMgSi2O650.87%Pargasite (50.88 %)

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
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])50
6 : Secondary asteroid phases47
36 : Carbonatites, kimberlites, and related igneous rocks5
38 : Ophiolites4
47h : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]3
7 : Ultramafic igneous rocks3
26 : Hadean detrital minerals2
8 : Mafic igneous rocks2
35 : Ultra-alkali and agpaitic igneous rocks2
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)1