| 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. |
| None | Quartz | Spinel |
| Gahnite (*) | Virgilite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Gahnite (*) | Spinel | ZnAl2O4 | 7 | 4.7 | 0 | 445 | |
| Virgilite (*) | Quartz | LiAlSi2O6 | 7 | 7 | 0 | 1 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alexandra-0107 | 5.23 | 5.01 | 5.12 ± 0.11 | fission-track method | Age of rock | MB1 | 274554 | Macusani Glass, Macusani, Carabaya Province, Puno, Peru | Macusani glass | Iunes et al. (2003) | 10.1016/S1350-4487(03)00161-6 | RM36_407 | |||||||||
| Alexandra-0108 | 5.21 | 4.99 | 5.10 ± 0.11 | fission-track method | Age of rock | MB2 | 274554 | Macusani Glass, Macusani, Carabaya Province, Puno, Peru | Macusani glass | Iunes et al. (2003) | 10.1016/S1350-4487(03)00161-6 | RM36_407 | |||||||||
| Alexandra-0109 | 4.7 | 4.7 | 4.7 | Age of rock | 274554 | Macusani Glass, Macusani, Carabaya Province, Puno, Peru | Macusani glass | Iunes et al. (2003) | 10.1016/S1350-4487(03)00161-6 | RM36_407 | |||||||||||
| Grew_Li_2019_0112 | 7 | 7 | 7 | Virgilite | 274554 | Macusani Glass, Macusani, Carabaya Province, Puno, Peru | Macusani glass (not in situ), Macusani, Carabaya Province, Puno department, Peru | Cheilletz et al. (1992) | 10.1016/0040-1951(92)90433-7 | T205_305 |
All locality data graciously provided by mindat.org
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