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Publication Extents

Not all publications have extents, not all extents are completely accurate
Criteria for the mode of emplacement of the alkaline stock at Mount Monadnock, Vermont
Randolph W. Chapman
1954, Geological Society of America Bulletin (65) 97-114
The alkaline stock at Mount Monadnock, Vermont, described briefly by Wolff (1929), has been restudied in detail. Its petrography and structure are discussed here and conclusions are drawn as to its mode of emplacement. The stock consists of plutonic and hypabyssal rocks which intrude folded Ordovician (?) schist and quartzite. The longer axis, trending north-northwest across the strike of the country...
The occurrence of cobalt and nickel in the Silver Summit Mine, Coeur d'Alene district, Idaho
Verne Charles Fryklund Jr., Murl W. Hutchinson
1954, Economic Geology (49) 753-758
Cobalt and nickel of possible commercial interest have been discovered in the Silver Summit mine, Coeur d'Alene district, Idaho. Assay data indicate that an ore shoot contained about 0.40 percent cobalt and about 1.0 percent nickel in addition to the copper and rich silver ores. The cobalt-nickel mineral gersdorffite occurs...
The White Pine copper deposit, Ontonagon County, Michigan
Walter Stanley White, James C. Wright
1954, Economic Geology (49) 675-716
Copper, largely in the mineral chalcocite, is found in the lowermost beds of the Nonesuch shale over many square miles near White Pine, Ontonagon County, Mich. The Nonesuch shale, of late Keweenawan age, is about 600 feet thick and is composed largely of gray siltstone. It overlies 2,300 to 5,500...
Stratigraphy and history of the Moenkopi formation of Triassic age
Edwin D. McKee
1954, Memoir of the Geological Society of America (61)
The Moenkopi formation of Triassic age is composed of a series of deposits that form a wedge thinning eastward from a maximum of about 2000 feet in western Utah and southern Nevada to the vanishing point along an irregular margin in western Colorado, northeastern Arizona, and western New Mexico. Partly marine and partly continental in the...
Caribbean land and sea through the ages
Wendell Phillips Woodring
1954, Geological Society of America Bulletin (65) 719-732
The oldest part of the Caribbean region proper is in northern Central America, where Permian (?) and Lower Permian marine deposits rest on metamorphic rocks of unknown, possibly middle Paleozoic, age. According to present dating, geosynclinal deposition spread eastward in Late Jurassic time to include Cuba, farther eastward and southward...
Botanical prospecting for uranium on La Ventana Mesa, Sandoval County, New Mexico
H. Starrett, Helen L. Cannon
1954, Trace Elements Investigations 471
A botanical sampling program has been completed by the U.S. Geological Survey on La Ventana Mesa, Sandoval County, N. Mex. A uranium-bearing coal in the Allison-Gibson members of the Cretaceous Mesaverde formation crops out in erosional remnants of the mesa.The coal is capped by a well-fractured 65-foot sandstone bed through...
Some notes on the relation of ground‐water levels to pond levels in limestone sinks of southwestern Georgia
E. L. Hendricks
1954, Eos, Transactions, American Geophysical Union (35) 796-804
Records of water levels in limesink ponds in southwestern Georgia and of water‐table levels in the vicinity of these ponds are used to demonstrate: (1) some ponds with highly impermeable beds are virtually unaffected by water‐table levels, except when water‐table levels are above the rim of the impervious materials; (2) interchange of water between pond and water table occurs when beds are relatively permeable. Three phases in the relation between pond level and water‐table level are recognized: (1) water‐table level higher than pond level causing ground‐water flow into the pond; (2) ground‐water level below pond level but in direct contact...
The gold pan: A neglected geological tool
J.B. Mertie Jr.
1954, Economic Geology (49) 639-651
The gold pan is ordinarily regarded as a tool for sampling placer deposits. Another and very important application is shown to be the sampling and study of decomposed bedrock, in regions where outcrops of hardrock are scarce or lacking. This technique was proposed and used by Derby, an American geologist...