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. |
Aeschynite | Analcime | Beryl | Clay | Columbite | Feldspar | Fluorite | Garnet | Mica | Monazite |
None | Pyrochlore | Quartz | Spinel | Topaz | Tourmaline |
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 |
---|---|---|---|---|---|---|---|
Albite (*) | Feldspar | Na(AlSi3O8) | 1490 | 1250 | 0 | 8803 | |
Beryl (*) | Beryl | Be3Al2Si6O18 | 1490 | 1250 | 0 | 4286 | |
Columbite-(Fe) (*) | Columbite | Fe2+Nb2O6 | 1490 | 1250 | 0 | 518 | |
Columbite-(Mn) (*) | Columbite | Mn2+Nb2O6 | 1490 | 1250 | 0 | 289 | |
Elbaite (*) | Tourmaline | Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | 1490 | 1250 | 0 | 520 | |
Euxenite-(Y) (*) | Columbite | Y(NbTi)O6 | 1490 | 1250 | 0 | 414 | |
Fluorite (*) | Fluorite | CaF2 | 1490 | 1250 | 0 | 9617 | |
Gahnite (*) | Spinel | ZnAl2O4 | 1490 | 1250 | 0 | 445 | |
Microcline (*) | Feldspar | K(AlSi3O8) | 1490 | 1250 | 0 | 4924 | |
Monazite-(Ce) (*) | Monazite | Ce(PO4) | 1490 | 1250 | 0 | 945 | |
Monazite-(Sm) (*) | Monazite | Sm(PO4) | 1490 | 1250 | 0 | 4 | |
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1490 | 1250 | 0 | 17380 | |
Pollucite (*) | Analcime | Cs(Si2Al)O6·nH2O | 1490 | 1250 | 0 | 140 | |
Quartz (*) | Quartz | SiO2 | 1490 | 1250 | 0 | 61156 | |
Rynersonite (*) | Aeschynite | CaTa2O6 | 1490 | 1250 | 0 | 14 | |
Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 1490 | 1250 | 0 | 2705 | |
Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 1490 | 1250 | 0 | 1214 | |
Stibiconite (*) | Pyrochlore | Sb3+Sb5+2O6(OH) | 1490 | 1250 | 0 | 446 | |
Stibiotantalite (*) | None | Sb3+TaO4 | 1490 | 1250 | 0 | 53 | |
Topaz (*) | Topaz | Al2SiO4F2 | 1490 | 1250 | 0 | 1476 |
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-0309 | 1450 | 1250 | 1350 ± 100 | Rb–Sr, K-Ar, U-Pb | Age of pegmatite | lepidolite, monazite, сolumbite, tantalite | Yes | 5902 | Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA | Brown Derby | Aldrich et al. (1956) | 10.1029/JZ061i002p00215 | JGR61_215 | ||||||||
Bradley_2012_146 | 1490 | 1350 | 1420±70 | Rb/Sr | Yes | 5902 | Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA | Brown Derby | McCauley and Bradley (2014) | 10.3749/canmin.52.2.183 | CM52_183 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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