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 | Apatite | Astrophyllite | Cancrinite | Cancrinite-sodalite | Clay | Corundum | Diaspore | Feldspar | Mica |
Natrolite | None | Pyroxene | Sodalite | Spinel | Tridymite | 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 |
---|---|---|---|---|---|---|---|
Aegirine (*) | Pyroxene | NaFe3+Si2O6 | 238 | 238 | 0 | 1022 | |
Aegirine-augite (*) | Pyroxene | (Ca,Na)(Fe3+,Mg,Fe2+)Si2O6 | 238 | 238 | 0 | 286 | |
Albite (*) | Feldspar | Na(AlSi3O8) | 238 | 238 | 0 | 8803 | |
Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 238 | 238 | 0 | 356 | |
Astrophyllite (*) | Astrophyllite | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F | 238 | 238 | 0 | 161 | |
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 238 | 238 | 0 | 2060 | |
Cancrinite (*) | Cancrinite | (Na,Ca, )8(Al6Si6)O24(CO3,SO4)2·2H2O | 238 | 238 | 0 | 232 | |
Corundum (*) | Corundum | Al2O3 | 238 | 238 | 0 | 1797 | |
Diaspore (*) | Diaspore | AlO(OH) | 238 | 238 | 0 | 481 | |
Fluorapatite (*) | Apatite | Ca5(PO4)3F | 238 | 238 | 0 | 2740 | |
Gibbsite (*) | None | Al(OH)3 | 238 | 238 | 0 | 504 | |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 238 | 238 | 0 | 14899 | |
Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | 238 | 238 | 0 | 1236 | |
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 238 | 238 | 0 | 884 | |
Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 238 | 238 | 0 | 375 | |
Sodalite (*) | Cancrinite-sodalite Sodalite | Na4(Si3Al3)O12Cl | 238 | 238 | 0 | 444 | |
Zircon (*) | Zircon | Zr(SiO4) | 238 | 238 | 0 | 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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AREPS5_257-00003 | 238 | 238 | 238 | Yes | 31680 | Litchfield, Kennebec Co., Maine, USA | Litchfield | Zartman (1977) | 10.1146/annurev.ea.05.050177.001353 | AREPS5_257 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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