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. |
Clay | None | Serpentine | Smectite-vermiculite | Spinel | Talc |
Antigorite (*) | Chromite (*) | Chrysotile (*) | Talc (*) | Vermiculite (*) |
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 |
---|---|---|---|---|---|---|---|
Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 460 | 460 | 0 | 708 | |
Chromite (*) | Spinel | Fe2+Cr2O4 | 460 | 460 | 0 | 3902 | |
Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 460 | 460 | 0 | 951 | |
Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 460 | 460 | 0 | 3337 | |
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 460 | 460 | 0 | 652 |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
podchrome-01108 | 460 | 460 | Ordovician | Cr | 101237 | Deposit Number Nine (McGuire Or Maguire Vermiculite Property; Deposit No. 9; Ellijay Chromite Prospect; Higdon Asbestos Mine), Ellijay District, Cowee Valley, Macon Co., North Carolina, USA | Ellijay | Moiser et al. (2012) | USGSSIR2012_5157 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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