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RELATIONS OF THE SEDIMENTARY BEDS OF THE NORTHERN
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andesite argillaceous argillite argillite beds basalt belt Black Marble quarry btock calcareous carbonate material central Oregon clastic Clover Creek greenstone Columbia River Basalt conglomerates correlated deformed described dikes disconformity Eagle Creek environment eugeosynclinal facies fauna fossils collected graded bedding grained granodiorite graywackes green groined Halobia hord hornfels Hurricane Canyon Hurricane Divide Hurwal formation Ice Lake Idaho intrusion Jurassic Kinney Creek land area Lapover Ranch lithologic Lostine Canyon Lostine River Lower Sedi Lower Sedimentary series Martin Bridge formation Martin Bridge limestone massive Matterhorn measured thickness mentary series metamorphism mudstone Negative print northern Wallowa Mountains northern Wallowa region outcrop overlying Palen pebbles Plate Point Joseph Pole Bridge Forest probably pyrite quartzite reef rocks S. W. Mueller sediments sequence Snake River Canyon source area source of clastic source of sediments Strat stratigraphic sections syncline tectonic thin section uplift Upper Triassic volcanic W. D. Smith wall of Lostine Wallowa Batholith Weathers writer