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. |
Ajoite | Diaspore | Fluorite | Fritzscheite | Gypsum | Hewettite | None | Straczekite | Zircon |
Carnotite (*) | Coffinite (*) | Corvusite (*) | Doloresite (*) | Gypsum (*) |
Hewettite (*) | Metahewettite (*) | Metatyuyamunite (*) | Montroseite (*) | Navajoite (*) |
Rauvite (*) | Sherwoodite (*) | Steigerite (*) | Uraninite (*) |
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 |
---|---|---|---|---|---|---|---|
Carnotite (*) | None | K2(UO2)2(VO4)2·3H2O | 1 | 192392 | 1184 | ||
Coffinite (*) | Zircon | U(SiO4)·nH2O | 96 | 80 | 4 | 192387,192388,192389,192391 | 566 |
Corvusite (*) | Straczekite | (Na,Ca,K)1-x(V5+,V4+,Fe2+)8O20·4H2O | 1 | 192391 | 79 | ||
Doloresite (*) | None | V4+3O4(OH)4 | 96 | 80 | 2 | 192387,192389 | 23 |
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 2 | 192390,192391 | 6890 | ||
Hewettite (*) | Hewettite | CaV5+6O16·9H2O | 1 | 192391 | 58 | ||
Metahewettite (*) | Hewettite | CaV5+6O16·3H2O | 96 | 80 | 1 | 192389 | 56 |
Metatyuyamunite (*) | Fritzscheite | Ca(UO2)2(VO4)2·3H2O | 2 | 192390,192391 | 129 | ||
Montroseite (*) | Diaspore | (V3+,Fe2+,V4+)O(OH) | 96 | 80 | 1 | 192389 | 136 |
Navajoite (*) | Ajoite | (V5+,Fe3+)10O24·12H2O | 2 | 192387,192391 | 11 | ||
Rauvite (*) | None | Ca(UO2)2V10O28·16H2O | 2 | 192387,192391 | 32 | ||
Sherwoodite (*) | None | Ca5.5(AlV4+V5+12O39)·28H2O | 96 | 80 | 1 | 192389 | 20 |
Steigerite (*) | None | Al(VO4)·3H2O | 1 | 192391 | 10 | ||
Uraninite (*) | Fluorite | UO2 | 1 | 192388 | 2718 |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Giersdorf_00000608 | 80 | 80 | 80 | 238U-206U | Age is applied to the primary U minerals at this locality | coffinite | SS187 | Coffinite | Coffinite | 115884 | Matchless Mine, Calamity Mesa, Uravan District, Mesa Co., Colorado, USA | Matchless Mine | Miller et al. (1963) | 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 | GSAB74_609 | U238-Pb206 Age given by the USGS for the Morrison Formation found at the Matchless Mine | |||||
Giersdorf_00000609 | 96 | 96 | 96 | 235U-207Pb | Age is applied to the primary U minerals at this locality | coffinite | SS187 | Coffinite | Coffinite | 115884 | Matchless Mine, Calamity Mesa, Uravan District, Mesa Co., Colorado, USA | Matchless Mine | Miller et al. (1963) | 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 | GSAB74_609 | U235-Pb207 Age given by the USGS for the Morrison Formation found at the Matchless Mine | |||||
Giersdorf_00000610 | 500 | 500 | 500 | 207Pb-206Pb | The Pb207-Pb206 age given for these samples is described as being highly erroneous due to the systematic sensitivity of the analytic methods | low | coffinite | SS187 | Coffinite | Coffinite | 115884 | Matchless Mine, Calamity Mesa, Uravan District, Mesa Co., Colorado, USA | Matchless Mine | Miller et al. (1963) | 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 | GSAB74_609 | Pb207-Pb206 Age given by the USGS for the Morrison Formation found at the Matchless Mine |
Sample | Source Locality | Reference URL |
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