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G433 – Sedimentary Petrology
September 8, 2008Conglomerates
Compositionally-based conglomerate classification
Volcanic debris- and hyperconcentrated flow deposits
– Eocene Absaroka volcanics, Yellowstone
Eocene Absaroka volcanics, Yellowstone
Fluvial vs. alluvial conglomerates, Shoshone R. Canyon, Wyoming
Stream-lain conglomerates, northern Yellowstone NP
Flat-pebble conglomerate; Cambrian Gallatin Formation, NE Yellowstone
Origin of flat-pebble conglomerates
Glacial diamict
Ice transportglacial moraine near
Polson, MT
Madison Slide, August 17, 1959looking south towards breakaway zone
Graham et al., 1987
Sphinx Mountain Conglomerate (Maastrictian), SW Montana
Inverted stratigraphyduring unroofing;Graham et al., 1987
Graham et al., 1987
Graham et al., 1987