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McRae Group
Geology
Formations: Hall Lake (6)
Lithologies: not reported (1), mudstone (3), "shale" (1), sandstone (2)
Paleoenvironments: terrestrial indet. (6)
Age range: base of the Late/Upper Campanian to the top of the Maastrichtian or 83.60000 to 66.00000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | USA (New Mexico) | (55287) | |
| Late/Upper Campanian - Maastrichtian | USA (New Mexico) | (55286 178745 178746 178747 233251) |