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. |
Amphibole | Apophyllite | Calcite | Copper | Corundum | Feldspar | Iron | Malachite | Natrolite | None |
Not in a structural group | Prehnite | Pyroxene | Quartz | Rutile | Spinel | 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 |
---|---|---|---|---|---|---|---|
Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 261 | 259 | 1 | 106342 | 3419 |
Aegirine (*) | Pyroxene | NaFe3+Si2O6 | 261 | 259 | 1 | 106350 | 1022 |
Albite (*) | Feldspar | Na(AlSi3O8) | 261 | 259 | 2 | 106339,106350 | 8803 |
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 1 | 106341 | 1036 | ||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 261 | 259 | 2 | 106341,106350 | 2060 |
Calcite (*) | Calcite | Ca(CO3) | 261 | 259 | 1 | 106338 | 27770 |
Cassiterite (*) | Rutile | SnO2 | 261 | 259 | 2 | 106345,106346 | 5171 |
Chromite (*) | Spinel | Fe2+Cr2O4 | 1 | 106341 | 3902 | ||
Copper (*) | Copper | Cu | 261 | 259 | 1 | 106349 | 3846 |
Fluorapophyllite-(K) (*) | Apophyllite | KCa4Si8O20F·8H2O | 261 | 259 | 1 | 106338 | 303 |
Hedenbergite (*) | Pyroxene | CaFe2+Si2O6 | 1 | 106341 | 741 | ||
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 261 | 259 | 2 | 106341,106344 | 5433 |
Iron (*) | Iron | Fe | 1 | 106341 | 1089 | ||
Kyanite (*) | Not in a structural group | Al2OSiO4 | 261 | 259 | 1 | 106343 | 1507 |
Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 261 | 259 | 1 | 106338 | 1271 |
Magnesite (*) | Calcite | Mg(CO3) | 261 | 259 | 1 | 106340 | 1487 |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 261 | 259 | 1 | 106350 | 14899 |
Malachite (*) | Malachite | Cu2(CO3)(OH)2 | 261 | 259 | 1 | 106349 | 12537 |
Microcline (*) | Feldspar | K(AlSi3O8) | 261 | 259 | 1 | 106350 | 4924 |
Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | 261 | 259 | 1 | 106338 | 1236 |
Pigeonite (*) | Pyroxene | (Mg,Fe,Ca)2Si2O6 | 1 | 106341 | 303 | ||
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 261 | 259 | 1 | 106338 | 1898 |
Quartz (*) | Quartz | SiO2 | 261 | 259 | 3 | 106338,106345,106350 | 61156 |
Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 261 | 259 | 1 | 106350 | 375 |
Rutile (*) | Rutile | TiO2 | 261 | 259 | 1 | 106344 | 5614 |
Tremolite (*) | Amphibole | Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 | 261 | 259 | 1 | 106342 | 2562 |
Troilite (*) | None | FeS | 1 | 106341 | 1044 | ||
Zircon (*) | Zircon | Zr(SiO4) | 1175 | 259 | 2 | 106344,106348 | 5251 |
Age ID | Locality Notes |
---|---|
Giersdorf_00000802 | The Eshowe Formation is part of the sediments of the KwaZulu-Natal area of South Africa |
Jen_0000998 | MAGMATIC STYLE: Carbonate-rich gneiss bands, up to 200x20 m, are considered to be tectonically deformed carbonatites. ASSOCIATED SILICATE ROCKS: Syenitic gneiss, nepheline syenite gneiss and gneissose peralkaline microsyenite dykes. |
Jen_0000999 | MAGMATIC STYLE: Carbonate-rich gneiss bands, up to 200x20 m, are considered to be tectonically deformed carbonatites. ASSOCIATED SILICATE ROCKS: Syenitic gneiss, nepheline syenite gneiss and gneissose peralkaline microsyenite dykes. |
Jen_0001000 | MAGMATIC STYLE: Carbonate-rich gneiss bands, up to 200x20 m, are considered to be tectonically deformed carbonatites. ASSOCIATED SILICATE ROCKS: Syenitic gneiss, nepheline syenite gneiss and gneissose peralkaline microsyenite dykes. |
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_00000802 | 261 | 259 | 260±1 | Age given in support of earlier works by Gentle el al. (1978) due to its consistency in its findings | 57245 | Eshowe, Uthungulu District, KwaZulu-Natal, South Africa | Eshowe | Bordy et al. (2005) | 10.2113/108.3.454 | SAJG107_397 | Age of the clays of the Eshowe group | ||||||||||
Jen_0000998 | 900 | 900 | 900 | 57405 | Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa | Bull's Run | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | ||||||||||||
Jen_0000999 | 1175 | 1105 | 1140±35 | U-Th-Pb | zircon | Zircon | 57405 | Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa | Bull's Run | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | |||||||||
Jen_0001000 | 1140 | 1060 | 1100±40 | K-Ar | biotite | 57405 | Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa | Bull's Run | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 |
Sample | Source Locality | Reference URL |
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