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Silurian above Ordovician dolomite (vertical)
Ledges of Silurian Dolomite overlie Ordovician dolomite at Clifty Falls waterfall, Clifty Falls State Park, Indiana (210608-40) overhang
Download ImageSilurian above Ordovician dolomite, Indiana
Ledges of Silurian Dolomite overlie Ordovician dolomite at Clifty Falls waterfall, Clifty Falls State Park, Indiana (210608-38)
Download ImageSilurian above Ordovician dolomite, Indiana
Ledges of Silurian Dolomite overlie Ordovician dolomite at Clifty Falls waterfall, Clifty Falls State Park, Indiana (210608-36)
Download ImageLedges of Silurian dolomite, Indiana
Ledges of Silurian dolomite at Clifty Falls waterfall, Clifty Falls State Park, Indiana (210608-31)
Download ImageWeathering of Silurian dolomite, Indiana
Weathering of Silurian dolomite at Clifty Falls State Park, Indiana 210608-26)
Download ImageOrdovician Dolomite and waterall, Indiana
Upper Ordovician dolomite and waterfall. Little Clifty Falls, Clifty Falls State Park, southern Indiana (210608-23)
Download ImageOrdovician Dolomite and waterall, (vertical)
Upper Ordovician dolomite and waterfall. Little Clifty Falls, Clifty Falls State Park, southern Indiana (210608-21)
Download ImageOrdovician limestone and shale, Indiana
Upper Ordovician limestone and shale exposed along creekbed, Clifty Falls State Park, southern Indiana (210608-16)
Download ImageRecent rock fall, southern Indiana
Recent collapse of resistant (Ordovician-age) dolomite over less resistant rock, along US421 southern Indiana. (210608-11)
Download ImageRock fall in roadcut, southern Indiana
Recent collapse of resistant (Ordovician-age) dolomite over less resistant rock, along US421 southern Indiana. (210608-9)
Download ImageDifferential weathering and erosion
Differential weathering and erosion between different parts of the Upper Ordovician Saluda Dolomite: laminated dolomite (top) and underlying shale, southern Indiana (210608-8)
Download ImageInterbedded shale and limestone, Indiana
Interbedded Upper Ordovician shale and limestone along Big Clifty Creek, Clifty Falls State Park, Indiana (210608-7)
Download ImageLaminated Ordovician dolomite, Indiana
Laminated Ordovician Saluda Dolomite, along highway (US421), southern Indiana. (210608-7)
Download ImageSilurian Dolomite and shale, Indiana
Roadcut of Silurian Dolomite and shale, of the Salamonie Dolomite, southern Indiana. (210608-4)
Download ImageOrdovician limestone and shale, Indiana
Upper Ordovician limestone and shale exposed along creekbed, Clifty Falls State Park, southern Indiana (210608-1)
Download ImageOrdovician bryozoans in limestone
Bryozoan fossils in Upper Ordovician limestone, northern Kentucky. Rock also contains fragments of brachiopods and crinoids. (210607-94)
Download ImageInterbedded limestone and shale, Kentucky
Interbedded Upper Ordovician limestone (ledges) and shale (slopes), northern Kentucky (210607-89)
Download ImageMiocene lakebeds, Death Valley, CA
Miocene lakebed and some interbedded fluvial deposits. Furnace Creek Formation, Death Valley National Park, California. (151129-58)
Download ImageCross-bedding in coastal sand dune, Oregon
Cross-bedding in coastal sand dunes, Oregon, European beach grass, which stabilizes the dunes, forms the top of the dune. (110306-48)
Download ImageAlluvial fan deposits, Death Valley, CA
Alluvial fan deposits, Death Valley National Park, California (2K7DV-94)
Download ImageWineglass Canyon, California (Vertical)
Wineglass Canyon, an indicator of recent uplift on the normal fault at the range front. Black Mountains, Death Valley National Park, California. (2K7-90)
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