Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
| 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. |
| Autunite | Baryte | Calcite | Chalcopyrite | Devilline | Fluorite | Meta-autunite | None | Not in a structural group | Pyrite |
| Schoepite | Zippeite | 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 |
|---|---|---|---|---|---|---|---|
| Anatase (*) | Not in a structural group | TiO2 | 109.1 | 80 | 1 | 88631 | 2162 |
| Ankerite (*) | None | Ca(Fe2+,Mg)(CO3)2 | 109.1 | 80 | 1 | 88631 | 3092 |
| Autunite (*) | Autunite | Ca(UO2)2(PO4)2·10-12H2O | 109.1 | 80 | 1 | 88631 | 1272 |
| Baryte (*) | Baryte | Ba(SO4) | 100.5 | 100.3 | 1 | 88633 | 11547 |
| Becquerelite (*) | None | Ca(UO2)6O4(OH)6·8H2O | 109.1 | 80 | 1 | 88631 | 92 |
| Calcite (*) | Calcite | Ca(CO3) | 109.1 | 80 | 1 | 88631 | 27770 |
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 109.1 | 80 | 1 | 88631 | 27198 |
| Coffinite (*) | Zircon | U(SiO4)·nH2O | 109.1 | 80 | 1 | 88631 | 566 |
| Dolomite (*) | None | CaMg(CO3)2 | 109.1 | 80 | 1 | 88631 | 9895 |
| Fluorite (*) | Fluorite | CaF2 | 109.1 | 80 | 1 | 88631 | 9617 |
| Meta-autunite (*) | Meta-autunite | Ca(UO2)2(PO4)2·6H2O | 109.1 | 80 | 1 | 88631 | 388 |
| Metatorbernite (*) | None | Cu(UO2)2(PO4)2·8H2O | 109.1 | 80 | 1 | 88631 | 443 |
| Natrozippeite (*) | Zippeite | Na5(UO2)8(SO4)4O5(OH)3·12H2O | 109.1 | 80 | 1 | 88631 | 41 |
| Pyrite (*) | Pyrite | FeS2 | 109.1 | 80 | 1 | 88631 | 39462 |
| Rutherfordine (*) | None | (UO2)(CO3) | 109.1 | 80 | 1 | 88631 | 58 |
| Saléeite (*) | None | Mg(UO2)2(PO4)2(H2O)10 | 109.1 | 80 | 1 | 88631 | 95 |
| Schoepite (*) | Schoepite | (UO2)4O(OH)6(H2O)6 | 109.1 | 80 | 1 | 88631 | 94 |
| Serpierite (*) | Devilline | Ca(Cu,Zn)4(SO4)2(OH)6·3H2O | 109.1 | 80 | 1 | 88631 | 292 |
| Sklodowskite (*) | None | Mg(UO2)2(SiO3OH)2·6H2O | 109.1 | 80 | 1 | 88631 | 56 |
| Torbernite (*) | None | Cu(UO2)2(PO4)2·12H2O | 109.1 | 80 | 1 | 88631 | 1059 |
| Tyuyamunite (*) | None | Ca(UO2)2(VO4)2·5-8H2O | 109.1 | 80 | 1 | 88631 | 628 |
| Uraninite (*) | Fluorite | UO2 | 109.1 | 80 | 1 | 88631 | 2718 |
| Uranophane-α (*) | None | Ca(UO2)2(SiO3OH)2·5H2O | 109.1 | 80 | 1 | 88631 | 890 |
| Zircon (*) | Zircon | Zr(SiO4) | 109.1 | 80 | 1 | 88631 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Giersdorf_00000750 | 114 | 114 | 114 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | hornblende | FW-4 | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Integrated K-Ar age | |||||||
| Giersdorf_00000751 | 112 | 110 | 112-110 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | hornblende | FW-4 | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age acquired during the heating process, referenced by the above to attest to the 114 Ma age's accuracy, plateau segment from ~1-81% gas released | |||||||
| Giersdorf_00000752 | 110 | 108 | 109±1 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | high | hornblende | FW-4 | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Isochron K-Ar age is best estimate for closure of th argon system in this mineral | ||||||
| Giersdorf_00000753 | 100 | 100 | 100 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | biotite | FW-4 | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age acquired during the heating process, with 90% of the emitted gas creating this result. | |||||||
| Giersdorf_00000754 | 102.2 | 100 | 101.1±1.1 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | biotite | FW-4 | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Isochron K-Ar age | |||||||
| Giersdorf_00000755 | 97 | 97 | 97 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | orthoclase | FW-4 | Orthoclase | Orthoclase | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age acquired during the heating process, interpreted by the author to be the only age of geological significance, as the author noted an excess of argon in the sample | |||||
| Giersdorf_00000756 | 145 | 140 | 145-140 | K-Ar | Data suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous | low | orthoclase | FW-4 | Orthoclase | Orthoclase | 297120 | Westport, Buller District, West Coast Region, New Zealand | Buller District | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age is disregarded due to the belief that it is caused by an excess of argon | ||||
| Giersdorf_00000778 | 109 | 109 | 109 | K-Ar | muscovite | HCB(t)-1 | Muscovite | Muscovite | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age acquired from 92% of the results during the experimentation | ||||||
| Giersdorf_00000779 | 109.1 | 108.7 | 108.9±0.2 | K-Ar | high | muscovite | HCB(t)-1 | Muscovite | Muscovite | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Total gas age | |||||
| Giersdorf_00000780 | 96 | 80 | 96-80 | K-Ar | orthoclase | HCB(t)-1 | Orthoclase | Orthoclase | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age yielded from the sampling of the first 10% of the emitted gas | ||||||
| Giersdorf_00000781 | 99 | 96 | 99-96 | K-Ar | orthoclase | HCB(t)-1 | Orthoclase | Orthoclase | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age yielded from the remaining 90% of the gas in comparison to the above entry | ||||||
| Giersdorf_00000782 | 96.6 | 96.2 | 96.4±0.2 | K-Ar | high | orthoclase | HCB(t)-1 | Orthoclase | Orthoclase | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Total gas age | |||||
| Giersdorf_00000783 | 103 | 103 | 103 | K-Ar | muscovite | HCB(b)-3 | Muscovite | Muscovite | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Slightly younger age that is disregarded due to the remaining samples all lining up with the age of 108 | ||||||
| Giersdorf_00000784 | 108.3 | 107.7 | 108±0.3 | K-Ar | high | muscovite | HCB(b)-3 | Muscovite | Muscovite | 15243 | Hawks Crag, Westport, Buller District, West Coast Region, New Zealand | Hawks Crag | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Total gas age | |||||
| Giersdorf_00000767 | 102.5 | 102.5 | 102.5 | K-Ar | muscovite | RQD-1 | Muscovite | Muscovite | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age acquired through 98% of the gas extraction | ||||||
| Giersdorf_00000768 | 102.5 | 102.1 | 102.3±0.2 | K-Ar | high | muscovite | RQD-1 | Muscovite | Muscovite | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Total Gas Age, taken as the best result for the sample | |||||
| Giersdorf_00000769 | 81 | 81 | 81 | K-Ar | low | biotite | RQD-1 | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Initial age acquired during the gas release process, regarded as inconsistent | |||||||
| Giersdorf_00000770 | 100 | 100 | 100 | K-Ar | biotite | RQD-1 | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age summarization acquired during the remainder of the gas release process | ||||||||
| Giersdorf_00000771 | 100.3 | 99.3 | 99.8±0.5 | K-Ar | biotite | RQD-1 | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Total gas age | ||||||||
| Giersdorf_00000772 | 100.5 | 100.3 | 100.4±0.1 | K-Ar | high | biotite | RQD-1 | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Plateau segment of the age plot used as the best age for the sample | |||||||
| Giersdorf_00000773 | 503 | 138 | 503-138 | K-Ar | low | orthoclase | RQD-1 | Orthoclase | Orthoclase | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Initial age acquired during the gas release process, regarded as inconsistent | |||||
| Giersdorf_00000774 | 90 | 50 | 90-50 | K-Ar | low | orthoclase | RQD-1 | Orthoclase | Orthoclase | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Apparent age range from the sample throughout the degassing process | |||||
| Giersdorf_00000775 | 97 | 97 | 97 | K-Ar | orthoclase | RQD-1 | Orthoclase | Orthoclase | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Age to which most of the remaining ages rose to during the testing process | ||||||
| Giersdorf_00000776 | 97 | 90 | 97-90 | K-Ar | high | orthoclase | RQD-1 | Orthoclase | Orthoclase | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | 90% of the age tests yielded ages within this range for the sample | |||||
| Giersdorf_00000777 | 93 | 93 | 93 | K-Ar | orthoclase | RQD-1 | Orthoclase | Orthoclase | 15355 | Mispickel Creek, Westport, Buller District, West Coast Region, New Zealand | Westport | Spell et al. (2000) | 10.1029/1999TC900046 | T19_433 | Total gas age |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...