Predictive Mineralogy

Possible unrecorded species at Mexican Hat Mountain, Courtland, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA

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
Pyrite	FeS₂	97.81%	Allophane (60.97 %), Calcite (51.16 %), Conichalcite (51.29 %), Hematite (50.17 %), Malachite (52.79 %)
Chalcopyrite	CuFeS₂	96.39%	Allophane (55.04 %), Chrysocolla (56.02 %), Conichalcite (53.65 %), Malachite (60.66 %)
Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂	61.50%	Microcline (61.50 %)
Azurite	Cu₃(CO₃)₂(OH)₂	56.70%	Conichalcite (56.71 %)
Albite	Na(AlSi₃O₈)	56.11%	Microcline (56.11 %)

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
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]	50
47d : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Arsenates, antimonates, selenates, bismuthinates]	35
53 : Other minerals with taphonomic origins	15
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)	11
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]	10
50 : Coal and/or oil shale minerals	10
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)	10
45b : Oxidized fumarolic minerals (see also [#11]) - [Other oxidized fumarolic minerals]	5
56 : Slag and smelter minerals (see also #51 and #55)	4
26 : Hadean detrital minerals	3