Chemical data for flows and feeder dikes of the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho, and their bearing on a petrogenetic model - Wright, Thomas L.; Mangan, Margaret T.; Swanson, Donald A. (Washington, D.C. : United States Geological Survey, 1989)
Keywords: Basalt -- Northwest, Pacific -- Analysis; Petrogenesis -- Northwest, Pacific