Predictive Mineralogy

Possible unrecorded species at Usclas-du-Bosc quarry (Loiras quarry; Pioch Camp quarry), Usclas-du-Bosc, Lodève, Hérault, Occitanie, France

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
Covellite	CuS	59.04%	Antlerite (59.04 %)
Cuprite	Cu₂O	51.53%	Antlerite (51.54 %)
Hematite	Fe₂O₃	51.19%	Antlerite (51.19 %)
Kaolinite	Al₂(Si₂O₅)(OH)₄	50.40%	Dickite (50.40 %)
Arsenopyrite	FeAsS	44.63%	Bournonite (55.79 %)

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
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates] Unique: Smithsonite	109
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) Unique: Bournonite	100
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]	26
47d : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Arsenates, antimonates, selenates, bismuthinates]	25
47h : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]	14
53 : Other minerals with taphonomic origins	9
45b : Oxidized fumarolic minerals (see also [#11]) - [Other oxidized fumarolic minerals]	5
50 : Coal and/or oil shale minerals	4
54 : Coal and other mine fire minerals (see also #51 and #56)	4
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)	4
28 : Photo-alteration, pre-biotic	4
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)	4