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. |
Baryte | Braunite | Brucite | Calcite | Corundum | Diaspore | Ettringite | Fleischerite | Garnet | Milarite |
None | Not in a structural group | Pectolite | Pyrite | Quartz | Ruizite | Spinel | Vesuvianite |
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 |
---|---|---|---|---|---|---|---|
Andradite (*) | Garnet | Ca3Fe3+2(SiO4)3 | 2400 | 1010 | 0 | 1534 | |
Baryte (*) | Baryte | Ba(SO4) | 2400 | 1010 | 0 | 11547 | |
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 2400 | 1042.2 | 0 | 483 | |
Brucite (*) | Brucite | Mg(OH)2 | 2400 | 1010 | 0 | 462 | |
Calcite (*) | Calcite | Ca(CO3) | 2400 | 1010 | 0 | 27770 | |
Celestine (*) | Baryte | Sr(SO4) | 2400 | 1010 | 0 | 1252 | |
Despujolsite (*) | Fleischerite | Ca3Mn4+(SO4)2(OH)6·3H2O | 2400 | 1042.2 | 0 | 10 | |
Ettringite (*) | Ettringite | Ca6Al2(SO4)3(OH)12·27H2O | 2400 | 1010 | 0 | 93 | |
Goethite (*) | Diaspore | FeO(OH) | 2400 | 1010 | 0 | 7437 | |
Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 2400 | 1042.2 | 0 | 350 | |
Hematite (*) | Corundum | Fe2O3 | 2400 | 1010 | 0 | 14640 | |
Jouravskite (*) | Ettringite | Ca3Mn4+(SO4)(CO3)(OH)6·12H2O | 2400 | 1042.2 | 0 | 6 | |
Lipuite (*) | Not in a structural group | KNa8Mn3+5Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O | 2400 | 1042.2 | 0 | 1 | |
Manganvesuvianite (*) | Vesuvianite | Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9 | 2400 | 1042.2 | 0 | 4 | |
Olmiite (*) | None | CaMn[SiO3(OH)](OH) | 2400 | 1042.2 | 0 | 4 | |
Oyelite (*) | None | Ca5BSi4O13(OH)3·4H2O | 2400 | 1010 | 0 | 7 | |
Pectolite (*) | Pectolite | NaCa2Si3O8(OH) | 2400 | 1010 | 0 | 363 | |
Pyrite (*) | Pyrite | FeS2 | 2400 | 1010 | 0 | 39462 | |
Quartz (*) | Quartz | SiO2 | 2400 | 1010 | 0 | 61156 | |
Rhodochrosite (*) | Calcite | Mn(CO3) | 2400 | 1042.2 | 0 | 1711 | |
Strontioruizite (*) | Ruizite | Sr2Mn3+2Si4O11(OH)4·2H2O | 2400 | 1042.2 | 0 | 1 | |
Sturmanite (*) | Ettringite | Ca6Fe3+2(SO4)2.5[B(OH)4](OH)12·25H2O | 2400 | 1010 | 0 | 6 | |
Sugilite (*) | Milarite | KNa2Fe3+2(Li3Si12)O30 | 1054 | 1042.2 | 0 | 15 | |
Taniajacoite (*) | Ruizite | SrCaMn3+2Si4O11(OH)4·2H2O | 2400 | 1042.2 | 0 | 1 | |
Xonotlite (*) | None | Ca6Si6O17(OH)2 | 2400 | 1010 | 0 | 109 |
Age ID | Locality Notes |
---|---|
Scott-AM88_189-0001 | mine |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Scott-EPSL298_125-0001 | 2400 | 2200 | 2400-2200 | Fe isotope | age of deposition | Yes | Mn | 54254 | Adams Mine, Kalahari Manganese Field, Northern Cape, South Africa | Adams Mine | Tsikos et Al. (2010) | 10.1016/j.epsl.2010.07.032 | EPSL298_125 | Within age bracket for the deposition of the Hotazel sediments | |||||||
Grew_Li_2019_0050 | 1010 | 1010 | 1010 | Yes | Lavinskyite | 3071 | Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa | Wessels mine, Kalahari manganese field, South Africa (type) | Cairncross and Beukes (2013) | BOOK_KMF_2013 | |||||||||||
Grew_Li_2019_0103 | 1010 | 1010 | 1010 | Yes | Sugilite | 3071 | Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa | Wessels and N'Chwaning mines, Kalahari manganese field, South Africa | Gnos et al. (2003); Cairncross and Beukes (2013) | ||||||||||||
Scott-AM88_189-0001 | 1054 | 1042.2 | 1048.1±5.9 | Ar-Ar | Age of mineral crystallization | sugilite | Yes | Sugilite | Mn | 3071 | Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa | Wessels Mine ( Wessel's Mine) | Gnos et al. (2003) | 10.2138/am-2003-0122 | AM88_189 |
Sample | Source Locality | Reference URL |
---|---|---|
FKM-173 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://www.rockptx.com/fkm-151-to-fkm-175/#FKM-173 |
R090057 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R090057 |
R100208 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R100208 |
R120170 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R120170 |
R140946 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R140946 |
R130754 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R130754 |
R140945 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R140945 |
R160085 | N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Northern Cape, South Africa | https://rruff.info/R160085 |
All locality data graciously provided by mindat.org
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