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 | Calcite | Diaspore | Monazite | None | Quartz | Spinel | Zircon |
Calcite (*) | Dolomite (*) | Goethite (*) | Magnetite (*) | Monazite-(Ce) (*) |
Opal (*) | Quartz (*) | 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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 541 | 444 | 0 | 27770 | |
Dolomite (*) | None | CaMg(CO3)2 | 541 | 444 | 0 | 9895 | |
Goethite (*) | Diaspore | FeO(OH) | 541 | 444 | 0 | 7437 | |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 541 | 444 | 0 | 14899 | |
Monazite-(Ce) (*) | Monazite | Ce(PO4) | 541 | 444 | 0 | 945 | |
Opal (*) | Amorphous | SiO2·nH2O | 541 | 444 | 0 | 2994 | |
Quartz (*) | Quartz | SiO2 | 541 | 444 | 0 | 61156 | |
Zircon (*) | Zircon | Zr(SiO4) | 541 | 444 | 0 | 5251 |
Age ID | Locality Notes |
---|---|
Jen_0000876 | MAGMATIC STYLE: Dykes with maximum thickness of 7 m. ASSOCIATED SILICATE ROCKS: Fenites. |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jen_0000876 | 520 | 480 | 500±20 | U-Pb | monazite | 126176 | Eureka Farm 99, Usakos, Karibib, Erongo Region, Namibia | Eureka | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | ||||||||||
ree-00477 | 541 | 444 | Cambrian-Ordovician | 126176 | Eureka Farm 99, Usakos, Karibib, Erongo Region, Namibia | Eureka | Orris and Grauch (2002) | USGSOFR02_189 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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