| 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. |
| 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 | 18 | 219721,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219733,219734,219735,219736,219737,219738,219741 | 1022 | ||
| Aenigmatite (*) | Sapphirine | Na4[Fe2+10Ti2]O4[Si12O36] | 364.3 | 350.3 | 0 | 133 | |
| Albite (*) | Feldspar | Na(AlSi3O8) | 7 | 219722,219724,219727,219729,219732,219735,219736 | 8803 | ||
| Anatase (*) | Not in a structural group | TiO2 | 1 | 219724 | 2162 | ||
| Astrophyllite (*) | Astrophyllite | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F | 364.3 | 350.3 | 0 | 161 | |
| Britholite-(Ce) (*) | Apatite | (Ce,Ca)5(SiO4)3(OH) | 1 | 219724 | 115 | ||
| Calcite (*) | Calcite | Ca(CO3) | 5 | 219722,219724,219728,219735,219739 | 27770 | ||
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 1 | 219724 | 27198 | ||
| Dickite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 364.3 | 350.3 | 0 | 651 | |
| Epididymite (*) | Not in a structural group | Na2Be2Si6O15·H2O | 364.3 | 350.3 | 0 | 70 | |
| Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 10 | 219722,219723,219725,219727,219728,219729,219732,219735,219736,219739 | 8173 | ||
| Fluorite (*) | Fluorite | CaF2 | 9 | 219722,219724,219725,219727,219728,219729,219732,219735,219739 | 9617 | ||
| Galena (*) | Rocksalt | PbS | 1 | 219724 | 24243 | ||
| Goethite (*) | Diaspore | FeO(OH) | 364.3 | 350.3 | 0 | 7437 | |
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 364.3 | 350.3 | 0 | 409 | |
| Hematite (*) | Corundum | Fe2O3 | 5 | 219724,219728,219729,219735,219739 | 14640 | ||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 6 | 219724,219725,219726,219728,219729,219736 | 5433 | ||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 8 | 219722,219725,219727,219728,219729,219732,219735,219739 | 5591 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 4 | 219722,219724,219729,219739 | 14899 | ||
| Melanterite (*) | Melanterite | Fe(SO4)·7H2O | 364.3 | 350.3 | 0 | 915 | |
| Microcline (*) | Feldspar | K(AlSi3O8) | 1 | 219724 | 4924 | ||
| Molybdenite (*) | Molybdenite | MoS2 | 1 | 219724 | 5800 | ||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1 | 219725 | 17380 | ||
| Orthoclase (*) | Feldspar | K(AlSi3O8) | 9 | 219722,219724,219727,219728,219729,219732,219735,219736,219739 | 2349 | ||
| Parisite-(Ce) (*) | Parisite | CaCe2(CO3)3F2 | 1 | 219724 | 112 | ||
| Pickeringite (*) | Halotrichite | MgAl2(SO4)4·22H2O | 364.3 | 350.3 | 0 | 265 | |
| Pyrite (*) | Pyrite | FeS2 | 2 | 219732,219736 | 39462 | ||
| Quartz (*) | Quartz | SiO2 | 15 | 219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219734,219735,219736,219739,219740 | 61156 | ||
| Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 18 | 219721,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219733,219734,219735,219736,219737,219738,219741 | 375 | ||
| Röntgenite-(Ce) (*) | None | Ca2Ce3(CO3)5F3 | 364.3 | 350.3 | 0 | 15 | |
| Siderite (*) | Calcite | Fe(CO3) | 1 | 219724 | 6417 | ||
| Sphalerite (*) | Sphalerite | ZnS | 1 | 219724 | 21482 | ||
| Synchysite-(Ce) (*) | None | CaCe(CO3)2F | 364.3 | 350.3 | 0 | 232 | |
| Titanite (*) | Titanite | CaTi(SiO4)O | 1 | 219724 | 4899 | ||
| Wulfenite (*) | Scheelite | PbMoO4 | 1 | 219724 | 1655 | ||
| Zircon (*) | Zircon | Zr(SiO4) | 8 | 219722,219724,219728,219729,219732,219735,219736,219739 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USGS-Rb-Sr-01068 | 361.21 | 361.21 | 361.21 | Rb-Sr | minimum age of intrusion | whole rock | 196053 | Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr | |||||||||||
| USGS-Rb-Sr-01069 | 364.3 | 350.3 | 357.3±7 | Rb-Sr | minimum age of intrusion | whole rock | 196053 | Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
All locality data graciously provided by mindat.org
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