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. |
Calcite | Coronadite | None | Quartz | Ramsdellite | Rutile |
Calcite (*) | Cryptomelane (*) | Pyrolusite (*) | Quartz (*) | Ramsdellite (*) |
Ranciéite (*) | Todorokite (*) |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 1 | 73389 | 27770 | ||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 1 | 73389 | 599 | ||
Pyrolusite (*) | Rutile | MnO2 | 1 | 73389 | 3106 | ||
Quartz (*) | Quartz | SiO2 | 1 | 73389 | 61156 | ||
Ramsdellite (*) | Ramsdellite | MnO2 | 1 | 73389 | 88 | ||
Ranciéite (*) | None | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O | 1 | 73389 | 177 | ||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 1 | 73389 | 433 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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