Predictive Mineralogy
Possible unrecorded species at Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, 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 |
|---|---|---|---|
| Galena | PbS | 77.51% | Aurichalcite (74.95 %), Chalcopyrite (51.07 %), Sphalerite (74.68 %) |
| Fluorite | CaF2 | 60.71% | Kamphaugite-(Y) (60.71 %) |
| Analcime | Na(AlSi2O6) · H2O | 56.37% | Natrolite (56.38 %) |
| Gypsum | CaSO4 · 2H2O | 55.30% | Pickeringite (55.31 %) |
| Smithsonite | ZnCO3 | 54.57% | Aurichalcite (54.58 %) |
| Cerussite | PbCO3 | 51.81% | Aurichalcite (64.77 %) |
| Zircon | Zr(SiO4) | 51.42% | Kamphaugite-(Y) (64.29 %) |
| Hemimorphite | Zn4Si2O7(OH)2 · H2O | 50.46% | Aurichalcite (50.47 %) |
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.