Predictive Mineralogy

Possible unrecorded species at Dongfeng section, Bajiazi Zn-Pb-Ag deposit, Jianchang County, Huludao, Liaoning, China

This table is based on statistical analysis of other localities containing similar species to the ones found at this locality.

Possible missing species	Formula	Match %	Due to recorded presence of
Tephroite	Mn²⁺₂SiO₄	77.40%	Pyrosmalite-(Mn) (50.00 %), Pyroxmangite (54.82 %)
Pyrargyrite	Ag₃SbS₃	57.94%	Stephanite (57.94 %)
Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂	54.50%	Spessartine (54.51 %)
Magnetite	Fe²⁺Fe³⁺₂O₄	50.00%	Pyrosmalite-(Mn) (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 Mode	Score
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits Unique: Kutnohorite, Pyrosmalite-(Mn)	193
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) Unique: Stephanite	100
31 : Thermally altered carbonate, phosphate, and iron formations	22
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)	15
49 : Oxic cellular biomineralization (see also #44)	11
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)	6
34 : Complex granite pegmatites	4
53 : Other minerals with taphonomic origins	3
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]	3
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]	3
36 : Carbonatites, kimberlites, and related igneous rocks	2
38 : Ophiolites	2