Publication: [1643] Petrology of the Big Snowy Group, Amsden Formation, and Quadrant Sandstone at Sappington Canyon, Jefferson County, Montana




Documented Paleocurrents


# Continental Area Stratigraphic Level Total Records Period Latitude Longitude Tectonic Plate Deposition Environment Paleocurrent Type Lithology Formation
1 North American Upper Carboniferous (Pennsylvanian) 1 26114 47 -111 North American marine shallow crossbedding sandstone Quadrant Sandstone