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. |
Arsenopyrite | Calcite | Chlorite | Clay | Copper | Garnet | None | Quartz | Rocksalt | Spinel |
Arsenopyrite (*) | Chromite (*) | Clinochlore (*) | Galena (*) | Gold (*) |
Magnesiochromite (*) | Magnesite (*) | Quartz (*) | Uvarovite (*) |
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 |
---|---|---|---|---|---|---|---|
Arsenopyrite (*) | Arsenopyrite | FeAsS | 388 | 388 | 0 | 9052 | |
Chromite (*) | Spinel | Fe2+Cr2O4 | 388 | 388 | 9 | 166847,166852,166855,166863,166864,166867,166868,166870,166888 | 3902 |
Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 2 | 166855,166888 | 1756 | ||
Galena (*) | Rocksalt | PbS | 1 | 166875 | 24243 | ||
Gold (*) | Copper | Au | 10 | 166845,166846,166875,166878,166879,166880,166882,166892,166895,166900 | 30554 | ||
Magnesiochromite (*) | Spinel | MgCr2O4 | 388 | 388 | 1 | 166862 | 311 |
Magnesite (*) | Calcite | Mg(CO3) | 4 | 166851,166858,166902,166903 | 1487 | ||
Quartz (*) | Quartz | SiO2 | 2 | 166875,166882 | 61156 | ||
Uvarovite (*) | Garnet | Ca3Cr2(SiO4)3 | 388 | 388 | 2 | 166855,166862 | 212 |
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-00131 | 388 | 388 | pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists) | Cr | 85443 | Hodge Ranch Occurrence, Alta, Dutch Flat District (Towle District), Placer Co., California, USA | Hodge Ranch NE | Moiser et al. (2012) | USGSSIR2012_5157 | ||||||||||||
podchrome-00132 | 388 | 388 | pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists) | Cr | 85065 | Beat Claim, Casa Loma, Dutch Flat District (Towle District), Placer Co., California, USA | Beat Claim | Moiser et al. (2012) | USGSSIR2012_5157 | ||||||||||||
podchrome-00133 | 388 | 388 | pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists) | Cr | 85480 | Julian Claims, Casa Loma, Dutch Flat District (Towle District), Placer Co., California, USA | Julian Claims | Moiser et al. (2012) | USGSSIR2012_5157 | ||||||||||||
podchrome-00134 | 388 | 388 | pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists) | Cr | 85791 | Snakehead Claim (Jumbo Claim; Snakebead [typo]), Casa Loma, Dutch Flat District (Towle District), Placer Co., California, USA | Snakehead Claim | Moiser et al. (2012) | USGSSIR2012_5157 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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