Predictive Mineralogy
Possible unrecorded species at Richards Mine (Dunn Mine; Richards-Dunn Mine), Alpha, Iron County, Michigan, 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 |
---|---|---|---|
Quartz | SiO2 | 99.59% | Goethite (66.86 %), Hematite (62.61 %), Pyrite (67.27 %), Siderite (73.22 %), Stilpnomelane (62.50 %) |
Chalcopyrite | CuFeS2 | 61.23% | Pyrite (51.72 %), Siderite (51.43 %) |
Calcite | CaCO3 | 52.17% | Siderite (52.18 %) |
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.