| 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. |
| Corundum | Nickeline | None | Not in a structural group | Pyrite | Quartz | Rutile |
| Graphite (*) | Ilmenite (*) | Pyrite (*) | Pyrrhotite (*) | Quartz (*) |
| Rutile (*) | Sillimanite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Graphite (*) | None | C | 155 | 155 | 0 | 2812 | |
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 155 | 155 | 0 | 5433 | |
| Pyrite (*) | Pyrite | FeS2 | 155 | 155 | 0 | 39462 | |
| Pyrrhotite (*) | Nickeline | Fe7S8 | 155 | 155 | 0 | 9056 | |
| Quartz (*) | Quartz | SiO2 | 155 | 155 | 0 | 61156 | |
| Rutile (*) | Rutile | TiO2 | 155 | 155 | 0 | 5614 | |
| Sillimanite (*) | Not in a structural group | Al2SiO5 | 155 | 155 | 0 | 1516 |
| Age ID | Locality Notes |
|---|---|
| Jen_0000778 | MAGMATIC STYLE: 10 m2 of carbonatite lie between syenite and basalt in a 93 km2 elliptical complex; said to be ‘metasomatic’. ASSOCIATED SILICATE ROCKS: Basic, intermediate and acid rocks. |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jen_0000778 | 155 | 155 | 155 | K-Ar | biotite | Yes | 216616 | Mashan District, Jixi, Heilongjiang, China | Mashan | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 |
All locality data graciously provided by mindat.org
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