Predictive Mineralogy

Possible unrecorded species at Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

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
Calcite	CaCO₃	93.35%	Aragonite (71.64 %), Löllingite (51.02 %), Montmorillonite (52.16 %)
Chalcopyrite	CuFeS₂	66.17%	Löllingite (64.20 %), Pyrite (51.72 %)
Arsenopyrite	FeAsS	65.68%	Löllingite (65.68 %)
Spodumene	LiAlSi₂O₆	56.70%	Pollucite (56.71 %)
Sphalerite	ZnS	47.63%	Löllingite (59.55 %)
Galena	PbS	42.81%	Löllingite (53.52 %)

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
34 : Complex granite pegmatites Unique: Billwiseite, Hambergite, Hydroxylherderite, Microlite Group, Stibiocolumbite, Stibiotantalite, etc.	100
35 : Ultra-alkali and agpaitic igneous rocks	2
26 : Hadean detrital minerals	2
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)	2
19 : Granitic intrusive rocks	1
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]	1
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)	0
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])	0
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]	0
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)	0
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)	0