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 | Cancrinite-sodalite | Feldspar | None | Pyroxene | Sodalite | Tridymite |
Aegirine (*) | Augite (*) | Baryte (*) | Nepheline (*) | Nosean (*) |
Orthoclase (*) | Sodalite (*) |
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 | 60 | 39 | 1 | 265771 | 1022 |
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 60 | 39 | 1 | 265771 | 2060 |
Baryte (*) | Baryte | Ba(SO4) | 1 | 265770 | 11547 | ||
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 60 | 39 | 1 | 265771 | 884 |
Nosean (*) | Sodalite Cancrinite-sodalite | Na8(Si6Al6)O24(SO4)·H2O | 60 | 39 | 1 | 265771 | 75 |
Orthoclase (*) | Feldspar | K(AlSi3O8) | 60 | 39 | 1 | 265771 | 2349 |
Sodalite (*) | Cancrinite-sodalite Sodalite | Na4(Si3Al3)O12Cl | 60 | 39 | 1 | 265771 | 444 |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NAVDAT-16731 | 60 | 39 | 49+11/-10 | 16731 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT | |||||||||||||
NAVDAT-4767 | 55 | 40 | 47+8/-7 | 4767 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT | |||||||||||||
NAVDAT-4768 | 55 | 40 | 47+8/-7 | 4768 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT | |||||||||||||
NAVDAT-92342 | 58 | 46 | 52±6 | 92342 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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