| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
| This mineral's age has not yet been recorded. |
| Analcime | Apatite | Calcite | Cancrinite-sodalite | Corundum | Feldspar | Ludwigite | Malachite | None | Pyroxene |
| Sodalite | Spinel | Tridymite |
| Augite (*) | Calcite (*) | Fluorapatite (*) | Hematite (*) | Ilmenite (*) |
| Leucite (*) | Magnetite (*) | Malachite (*) | Nepheline (*) | Sanidine (*) |
| Sodalite (*) | Vonsenite (*) |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0.45 | 0.04 | 0 | 2060 | |
| Calcite (*) | Calcite | Ca(CO3) | 0.45 | 0.04 | 0 | 27770 | |
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 0.45 | 0.04 | 0 | 2740 | |
| Hematite (*) | Corundum | Fe2O3 | 0.45 | 0.04 | 0 | 14640 | |
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0.45 | 0.04 | 0 | 5433 | |
| Leucite (*) | Analcime | K(AlSi2O6) | 0.41 | 0.37 | 0 | 233 | |
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0.45 | 0.04 | 0 | 14899 | |
| Malachite (*) | Malachite | Cu2(CO3)(OH)2 | 0.45 | 0.04 | 0 | 12537 | |
| Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 0.45 | 0.04 | 0 | 884 | |
| Sanidine (*) | Feldspar | K(AlSi3O8) | 0.45 | 0.04 | 0 | 598 | |
| Sodalite (*) | Cancrinite-sodalite Sodalite | Na4(Si3Al3)O12Cl | 0.45 | 0.04 | 0 | 444 | |
| Vonsenite (*) | Ludwigite | Fe2+2Fe3+O2(BO3) | 0.45 | 0.04 | 0 | 62 |
| Age ID | Locality Notes |
|---|---|
| Michelle_0221_a | Tephritic leucitite |
| Michelle_0222_b | Tephritic leucitite |
| Michelle_0223 | Leucitite |
| Michelle_0224 | Leucitite |
| Michelle_0225 | Lc-alkalibasalt |
| Michelle_0226 | Tephritic leucitite, locality appears to be a creek near Pofi |
| Excel ID | Max Age (Ma) | Min Age (Ma) | Age as listed in reference | Dating Method | Age Interpret | Prioritized? | Sample Source | Sample Num | Run Num | Age from other Locality | Dated Mineral | Minerals explicitely stated as having this age | Age applies to these Elements | MinDat Locality ID | Dated Locality (Max Age) | Location as listed in reference | Reference | Reference DOI | Reference ID | Age Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Michelle_0221_a | 0.41 | 0.39 | 0.400±0.01 | K-Ar | Age of tephritic leucitite | leucite | Er-5 | Leucite | 267434 | Pofi, Frosinone Province, Lazio, Italy | Pofi, highway | Fornaseri (1985) | RDSIMF40_73 | Age of tephritic leucitite | |||||||
| Michelle_0222_b | 0.39 | 0.35 | 0.370±0.07 | K-Ar | Age of tephritic leucitite | Er-5 | 267434 | Pofi, Frosinone Province, Lazio, Italy | Pofi, highway | Fornaseri (1985) | RDSIMF40_73 | Age of tephritic leucitite | |||||||||
| Michelle_0223 | 0.45 | 0.41 | 0.430±0.08 | K-Ar | Age of Leucitite | S14 | 267434 | Pofi, Frosinone Province, Lazio, Italy | Pofi | Fornaseri (1985) | RDSIMF40_73 | Age of Leucitite | |||||||||
| Michelle_0224 | 0.16 | 0.1 | 0.130±0.03 | K-Ar | Age of Leucitite | S22 | 267434 | Pofi, Frosinone Province, Lazio, Italy | Cle Vitelli (Pofi) | Fornaseri (1985) | RDSIMF40_73 | Age of Leucitite | |||||||||
| Michelle_0225 | 0.12 | 0.04 | 0.080±0.04 | K-Ar | Age of Lc-alkalibasalt | S18 | 267434 | Pofi, Frosinone Province, Lazio, Italy | P.zo Colonnello (Pofi) | Fornaseri (1985) | RDSIMF40_73 | Age of Lc-alkalibasalt | |||||||||
| Michelle_0226 | 0.41 | 0.37 | 0.390±0.02 | K-Ar | Age of tephritic leucitite | leucite | Er-3 | Leucite | 267434 | Pofi, Frosinone Province, Lazio, Italy | P.zo Meringo (Pofi) | Fornaseri (1985) | RDSIMF40_73 | Age of tephritic leucitite |
All locality data graciously provided by mindat.org
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