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Outcrop of Cretaceous sandstone, W.O. Kupsch fonds Fault breccia between Silurian Ronning group and Lower member of Ramparts formation, W.O. Kupsch fonds Close-up of  iron oxide stained conglomerate of Cretaceous age, W.O. Kupsch fonds Exposures of Cretaceous Slater River shales - Smoking Hills, W.O. Kupsch fonds Burning oil shales, Smoking Hills, west of Franklin Bay, W.O. Kupsch fonds
Closer view of burning oil shales - Smoking Hills, W.O. Kupsch fonds The Ramparts of the MacKenzie River south of Fort Good Hope, W.O. Kupsch fonds Outcrops of exposed Lower Rampart limestone -Sholberg Creek, W.O. Kupsch fonds Outcrop of fossiliiferous Lower Ramparts limestone - Sholberg Creek, W.O. Kupsch fonds Middle Devonian, Upper Ramparts, stromatoporoidal reef - Mackenzie River, W.O. Kupsch fonds
Close up of stromatotoporoidal colonies on reef in slide 53, W.O. Kupsch fonds Stromatotoporoidal masses in Middle Devonian Upper Ramparts, W.O. Kupsch fonds Close up of colonial corals - Devonian Lower Ramparts, W.O. Kupsch fonds Outcrop of Lower Ramparts fossiliferous limestone - Sholberg Creek, W.O. Kupsch fonds Vertical brecciation in a "pipe" in Devonian Bear Rock formation, W.O. Kupsch fonds
Steeply dipping Bear Rock, W.O. Kupsch fonds Outcrop of Silurian Ronning cherty dolomite, W.O. Kupsch fonds Well-bedded, non-brecciated and non-bedded, brecciated  Bear Rock -, W.O. Kupsch fonds Snow covered outcrop of Silurian cherty dolomite - near Colville Lake, W.O. Kupsch fonds Outcrop of lower Silurian Ronning Group dolomite and stromatolitic chert, W.O. Kupsch fonds