Temporal Distribution of the Ultramafic-Alkalic and Alkalic Rocks Within the Russian, Siberian and North American Ancient Platforms and Their Surroundings (1989)

Erlich, E.I., Sutherland, W.M., Hausel, W.D., and Zagruzina, I.A., 1989, Temporal distribution of the ultramafic-alkalic and alkalic rocks within the Russian, Siberian and North American ancient platforms and their surroundings: Geological Survey of Wyoming [Wyoming State Geological Survey] Open File Report 89-9, 33 p.