Publication: [1406] Paleoenvironments of vertebrate-bearing strata at the Cretaceous-Paleogene Boundary in northeastern Montana and southwestern North Dakota




Documented Paleocurrents


# Continental Area Stratigraphic Level Total Records Period Latitude Longitude Tectonic Plate Deposition Environment Paleocurrent Type Lithology Formation
1 North American Lower Paleocene 4 41110 47.5 -107 North American fluvial crossbedding sandstone
2 North American Lower Paleocene 4 41110 47.5 -107 North American fluvial crossbedding sandstone
3 North American Cretaceous-Paleocene 4 35910 46.2 -103.95 North American fluvial crossbedding sandstone
4 North American Cretaceous-Paleocene 4 35910 46.1 -104 North American fluvial crossbedding sandstone
5 North American Cretaceous-Paleocene 4 35910 47.45 -106.9 North American fluvial crossbedding sandstone
6 North American Cretaceous-Paleocene 4 35910 47.45 -106.9 North American fluvial crossbedding sandstone
7 North American Cretaceous-Paleocene 4 35910 46.2 -103.95 North American fluvial crossbedding sandstone
8 North American Cretaceous-Paleocene 4 35910 47.75 -106.1 North American fluvial crossbedding sandstone
9 North American Cretaceous-Paleocene 4 35910 47.45 -106.9 North American fluvial crossbedding sandstone
10 North American Cretaceous-Paleocene 4 35910 46.1 -104 North American fluvial crossbedding sandstone
11 North American Cretaceous-Paleocene 4 35910 46.08 -104 North American fluvial crossbedding sandstone