Predictive Mineralogy
Possible unrecorded species at Gulf Hill Mine (Big Hill; Old Gulf), Matagorda, Matagorda County, Texas, 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 |
|---|---|---|---|
| Gypsum | CaSO4 · 2H2O | 94.66% | Anhydrite (61.07 %), Hauerite (72.41 %), Native Sulphur (50.28 %) |
| Chalcopyrite | CuFeS2 | 77.81% | Galena (56.79 %), Marcasite (63.89 %), Pyrite (51.72 %), Sphalerite (63.80 %) |
| Rhodochrosite | MnCO3 | 54.54% | Alabandite (54.55 %) |
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.