Publication: [2296] Stratigraphy, sedimentology and petrology of the Upper Cretaceous, Horsethief, St. Mary River, and Willow Creek Formations, west central Montana




Documented Paleocurrents


# Continental Area Stratigraphic Level Total Records Period Latitude Longitude Tectonic Plate Deposition Environment Paleocurrent Type Lithology Formation
1 North American Upper Cretaceous 9 34720 48.17 -115.17 North American marine shallow crossbedding sandstone
2 North American Upper Cretaceous 9 34720 48.18 -115.16 North American marine shallow crossbedding sandstone
3 North American Upper Cretaceous 9 34720 48.15 -115.12 North American marine shallow crossbedding sandstone
4 North American Upper Cretaceous 9 34720 48.12 -115.06 North American marine shallow crossbedding sandstone
5 North American Upper Cretaceous 9 34720 48.1 -115.03 North American marine shallow crossbedding sandstone
6 North American Upper Cretaceous 9 34720 48.19 -115.18 North American marine shallow ripple marks sandstone
7 North American Upper Cretaceous 9 34720 48.2 -115.2 North American marine shallow crossbedding sandstone
8 North American Upper Cretaceous 9 34720 48.13 -115.1 North American marine shallow crossbedding sandstone
9 North American Upper Cretaceous 9 34720 48.16 -115.14 North American marine shallow crossbedding sandstone