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. |
Columbite | None |
Columbite-(Fe) (*) | Tantalite-(Fe) (*) |
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 |
---|---|---|---|---|---|---|---|
Columbite-(Fe) (*) | Columbite | Fe2+Nb2O6 | 2496 | 2479 | 1 | 48885 | 518 |
Tantalite-(Fe) (*) | Columbite | Fe2+Ta2O6 | 2496 | 2479 | 0 | 99 |
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-0268 | 2495 | 2479 | 2487 ± 8 | U-Pb | Age of Nb-Ta mineralization | tantalite-(fe), columbite-(fe), tapiolite | 101 | 264038 | Mambasa, North Kivu, DR Congo | Mambasa | Melcher et al. (2015) | 10.1016/j.oregeorev.2013.09.003 | OGR64_667 | ||||||||
Bradley_2012_135 | 2496 | 2480 | 2488±8 | U/Pb | columbite, tantalite | 264038 | Mambasa, North Kivu, DR Congo | Mambasa | 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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