Sand and Sandstones | Limestone and Dolomite | Muds and Shale | Aluminum Hydroxide Precipitation. Cleveland | Coal | Concretions | Jura-Triassic Playa Deposit, Dry Cimarron R. N. Mex
SAND AND SANDSTONES |
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331.-.1 | Weathering, crossbedding, etc., Navajo Church, Fort Wingate, New Mex. |
331.-.2 | Cross-beeding in sandstones in Walnut Canton, near Flagstaff, Arizona. |
331.-.3 | Gravel bar formed in high water by Scioto in direction of flow, left to right. Showing way in which cross-bedding was formed. Scioto River, Chillicothe, Ohio. |
331.-.4 | Oscillation ripples on a tidal flat. New York City. |
LIMESTONE AND DOLOMITE |
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335.-.1 | Flint nodules in corniferous limestone. Auburn, New York. |
335.-.2 | Cherty base of Black River limestone, Loweville beneath, near Watertown, New York. |
335.-.3 | Exposed core of tepee butte, north of Nepesta, Colorado. |
335.-.4 | Tepee butte, core not exposed, 2 miles northeast of Boone, Colorado |
MUDS AND SHALE |
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339.-.1 | Mud cracks, Sagamore Creek, Cuyahoga River near Bedford, O.; mud formed by flood of June 28, 1924. Photo Sept. 1924 |
339.-.2 | Rain-drop prints in soft mud, Euclid Creek. |
339.-.3 | Sun cracks in mud pumped from Hudson River for newly made land. Cracks formed summer of 1910, photo taken May 1911, after a winter’s exposure. New York City. |
339.-.4 | Raccoon and worm tracks in mud of a single flood – below high water mark. Chippewa Creek, near Brecksville. |
339.-.5 | Leaves submerged on the floor of a muddy pool, broken twigs partly submerged. Near Cleveland, Ohio. |
339.-.6 | The trail of an earthworm lost in the liquid drying mud of a storm. Worm is in distant whorl. On right pits made by air escaping from subsoil. South of Cleveland. |
ALUMINUM HYDROXIDE PRECIPITATION. CLEVELAND. |
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339.B.1 | Aluminum hydroxide precipitated in quiet waters from Aluminum Sulphate, a weathering product of carbonaceous iron sulphide-bearing Cleveland and Chagrin shales. Vermilion River, Below Rugby, Ohio. |
339.B.2 | Aluminum hydroxide precipitated in quiet waters and forming a grey clay film in drying pools. Vermilion River below Rugby, Ohio. |
COAL |
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347.-.1 | Map showing regional alteration of coals and petroleums in the eastern United States. D. White, Jour. Wash. Acad. Science, Vol 5, pp199, 1915. |
347.-.2 | Root (stigmaria) in position in fire clay, beneath the middle Kittanning Coal, Wellesville, Ohio. |
347.-.3 | Lignite seams, Alaska. |
347.-.4 | Lignite seam with stumps in place. |
CONCRETIONS |
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355.-.1 | Concretions in Ohio shale, near Columbus. |
355.-.2 | Concretions of Laramie sandstone south of Newcastle, Wyoming. |
JURA-TRIASSIC PLAYA DEPOSIT, DRY CIMARRON R. N. MEX |
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358.B.1 | Limestone bed with ripples, dinosaur tracks and abundant mud cracks, an old playa deposit. Triassic or Jurassic. Peacock Canyon, Dry Cimarron River, Extreme N.E. corner of New Mexico. |
358.B.2 | Several large dinosaur tracks in limestone of an old Jura-Trias playa deposit. Peacock Canyon of Dry Cimarron River. Extreme N.E. corner of New Mexico. |
358.B.3 | Mud-crack layer of limestone (natural mold from cracked surface) of old Jura-Trias playa limestone with dinosaur tracks. Peacock Canyon of Dry Cimarron River. Extreme N.E. corner of New Mexico. |