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. |
Amorphous | Apatite | Arsenopyrite | Beryl | Clay | Feldspar | Mica | None | Pyroxene | Quartz |
Rutile | Tourmaline | Vivianite | Zircon |
Albite (*) | Amblygonite (*) | Arsenopyrite (*) | Beryl (*) | Cassiterite (*) |
Elbaite (*) | Fluorapatite (*) | Ludlamite (*) | Microcline (*) | Muscovite (*) |
Opal (*) | Quartz (*) | Schorl (*) | Spodumene (*) | Vivianite (*) |
Zircon (*) |
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) | 1700 | 1700 | 0 | 8803 | |
Amblygonite (*) | None | LiAl(PO4)F | 1700 | 1700 | 0 | 244 | |
Arsenopyrite (*) | Arsenopyrite | FeAsS | 1700 | 1700 | 0 | 9052 | |
Beryl (*) | Beryl | Be3Al2Si6O18 | 1700 | 1700 | 0 | 4286 | |
Cassiterite (*) | Rutile | SnO2 | 1700 | 1700 | 0 | 5171 | |
Elbaite (*) | Tourmaline | Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | 1700 | 1700 | 0 | 520 | |
Fluorapatite (*) | Apatite | Ca5(PO4)3F | 1700 | 1700 | 0 | 2740 | |
Ludlamite (*) | None | Fe2+3(PO4)2·4H2O | 1700 | 1700 | 0 | 66 | |
Microcline (*) | Feldspar | K(AlSi3O8) | 1700 | 1700 | 0 | 4924 | |
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1700 | 1700 | 0 | 17380 | |
Opal (*) | Amorphous | SiO2·nH2O | 1700 | 1700 | 0 | 2994 | |
Quartz (*) | Quartz | SiO2 | 1700 | 1700 | 0 | 61156 | |
Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 1700 | 1700 | 0 | 2705 | |
Spodumene (*) | Pyroxene | LiAlSi2O6 | 1700 | 1700 | 0 | 688 | |
Vivianite (*) | Vivianite | Fe2+3(PO4)2·8H2O | 1700 | 1700 | 0 | 636 | |
Zircon (*) | Zircon | Zr(SiO4) | 1700 | 1700 | 0 | 5251 |
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-0372 | 1700 | 1700 | 1700 | Age of pegmatite | Yes | Li, Be, Sn, Cs, Ta, Nb, U | 122418 | Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA | Harney Peak | Norton and Redden (1990) | 10.2138/am.2008.2633 | AM75_631 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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