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The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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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 | Feldspar | None | Spinel |
Anorthite (*) | Ilmenite (*) | Magnetite (*) |
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 |
---|---|---|---|---|---|---|---|
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 2772 | 2450 | 0 | 1036 | |
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 2772 | 2450 | 0 | 5433 | |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 2772 | 2450 | 0 | 14899 |
Age ID | Locality Notes |
---|---|
Scott-GCA51_1101-0005 | The Cross Lake pegmatite field occurs over an area of approximately 200 km^2 at the western margin of the subprovince and about 30 km east of the Superior-Churchill boundary. |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bradley_2012_008 | 2772 | 2758 | 2765±7 | U/Pb | zircon | Yes | Zircon | 231259 | Cross Lake, Manitoba, Canada | Cross Lake | McCauley and Bradley (2014) | 10.3749/canmin.52.2.183 | CM52_183 | ||||||||
Scott-GCA51_1101-0005 | 2500 | 2450 | 2500-2450 | Rb-Sr | age of intrusion | k-feldspar | 6G | Yes | 231259 | Cross Lake, Manitoba, Canada | Cross Lake | Clark and Černý (1987) | 10.1016/0016-7037(87)90112-8 | GECA51_1101 | Table 1 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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