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. |
Cancrinite-sodalite | Chalcopyrite | Corundum | Feldspar | Fluorite | Nickeline | None | Perovskite | Pyroxene | Rocksalt |
Sapphirine | Sodalite | Spinel | Titanite | Tridymite | Wollastonite | Wöhlerite |
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 |
---|---|---|---|---|---|---|---|
Aenigmatite (*) | Sapphirine | Na4[Fe2+10Ti2]O4[Si12O36] | 4.9 | 3.26 | 0 | 133 | |
Barytolamprophyllite (*) | None | (BaK)Ti2Na3Ti(Si2O7)2O2(OH)2 | 4.9 | 3.26 | 0 | 21 | |
Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 4.9 | 3.26 | 0 | 27198 | |
Cuspidine (*) | Wöhlerite | Ca8(Si2O7)2F4 | 4.9 | 3.26 | 0 | 67 | |
Diopside (*) | Pyroxene | CaMgSi2O6 | 4.9 | 3.26 | 0 | 4135 | |
Fluorite (*) | Fluorite | CaF2 | 4.9 | 3.26 | 0 | 9617 | |
Galena (*) | Rocksalt | PbS | 4.9 | 3.26 | 0 | 24243 | |
Götzenite (*) | None | Ca4NaCa2Ti(Si2O7)2(OF)F2 | 4.9 | 3.26 | 0 | 27 | |
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 4.9 | 3.26 | 0 | 5433 | |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 4.9 | 3.26 | 0 | 14899 | |
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 4.9 | 3.26 | 0 | 884 | |
Perovskite (*) | Perovskite | CaTiO3 | 4.9 | 3.26 | 0 | 495 | |
Pyrrhotite (*) | Nickeline | Fe7S8 | 4.9 | 3.26 | 0 | 9056 | |
Sanidine (*) | Feldspar | K(AlSi3O8) | 4.9 | 3.26 | 0 | 598 | |
Sodalite (*) | Cancrinite-sodalite Sodalite | Na4(Si3Al3)O12Cl | 4.9 | 3.26 | 0 | 444 | |
Titanite (*) | Titanite | CaTi(SiO4)O | 4.9 | 3.26 | 0 | 4899 | |
Wollastonite (*) | Wollastonite | CaSiO3 | 4.9 | 3.26 | 0 | 1247 |
Age ID | Locality Notes |
---|---|
Jen_0000432 | carbonatite complex |
Jen_0000433 | carbonatite complex |
Jen_0000576 | MAGMATIC STYLE: Tuffs on the Eyasi Plateau probably emanated from Sadiman and include the Laetoli Beds which contain approximately 25 carbonatite and 35 melilitite-carbonatite air-fall layers. ASSOCIATED SILICATE ROCKS: Nephelinitic tuffs and agglomerates with subsidiary lavas of nephelinite, melilite nephelinite, phonolitic trachyte and sodalite phonolite. |
Jen_0000577 | MAGMATIC STYLE: Tuffs on the Eyasi Plateau probably emanated from Sadiman and include the Laetoli Beds which contain approximately 25 carbonatite and 35 melilitite-carbonatite air-fall layers. ASSOCIATED SILICATE ROCKS: Nephelinitic tuffs and agglomerates with subsidiary lavas of nephelinite, melilite nephelinite, phonolitic trachyte and sodalite phonolite. |
Jen_0000578 | MAGMATIC STYLE: Tuffs on the Eyasi Plateau probably emanated from Sadiman and include the Laetoli Beds which contain approximately 25 carbonatite and 35 melilitite-carbonatite air-fall layers. ASSOCIATED SILICATE ROCKS: Nephelinitic tuffs and agglomerates with subsidiary lavas of nephelinite, melilite nephelinite, phonolitic trachyte and sodalite phonolite. |
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_0000432 | 3.38 | 3.26 | 3.32±0.06 | K-Ar | 240642 | Sadiman Volcano, Arusha Region, Tanzania | Sadiman Complex | Ernst and Bell (2010) | 10.1007/s00710-009-0074-1 | MP98_55 | |||||||||||
Jen_0000433 | 4.9 | 4.1 | 4.5±0.4 | K-Ar | 240642 | Sadiman Volcano, Arusha Region, Tanzania | Sadiman Complex | Ernst and Bell (2010) | 10.1007/s00710-009-0074-1 | MP98_55 | |||||||||||
Jen_0000576 | 3.91 | 3.91 | 3.91 | 240642 | Sadiman Volcano, Arusha Region, Tanzania | Sadiman | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | ||||||||||||
Jen_0000577 | 3.38 | 3.26 | 3.32±0.06 | K-Ar | 240642 | Sadiman Volcano, Arusha Region, Tanzania | Sadiman | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | |||||||||||
Jen_0000578 | 4.9 | 4.1 | 4.5±0.4 | K-Ar | 240642 | Sadiman Volcano, Arusha Region, Tanzania | Sadiman | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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