Map showing geochemical distribution and abundance of tin in stream sediments and heavy mineral concentrates, Talkeetna Mountains quadrangle, Alaska
R. J. Miller, G.C. Curtin, Bela Csejtey Jr.
1979, Open-File Report 78-558-E
No abstract available....
Possible role of mantle-derived CO2 in causing two "phreatic" explosions in Alaska
I. Barnes, G.A. McCoy
1979, Geology (7) 434-435
Two "phreatic" maars in Alaska may have been created by the explosive release of carbon dioxide from a basaltic melt. Both the basalt of the maars and the observed CO2 (δ13C = -6.36‰) are inferred to have come from the mantle. © 1979 Geological Society of America....
Coastal processes and morphology of the Bering Sea coast of Alaska
A. H. Sallenger Jr., J. R. Dingler
1979, Report, Environmental Assessment of the Alaskan Continental Shelf: Final Reports of Principal Investigators
No abstract available....
Submarine seep of carbon dioxide in Norton Sound, Alaska
K.A. Kvenvolden, K. Weliky, H. Nelson, D.J. Des Marais
1979, Science (205) 1264-1266
Earlier workers have described a submarine gas seep in Norton Sound having an unusual mixture of petroleum-like, low-molecular-weight hydrocarbons. Actually, only about 0.04 percent of the seeping gas is hydrocarbons and 98 percent is carbon dioxide. The isotopic compositions of carbon dioxide (δ13CPDB = –2.7 per mil) and methane (δ13CPDB = –36...
Biogenic and thermogenic gas in gas-charged sediment of Norton Sound, Alaska
Keith A. Kvenvolden, C.H. Nelson, D.R. Thor, Matthew C. Larsen, G.D. Redden, J. B. Rapp, D. J. Des Marais
1979, Conference Paper, Proceedings of Eleventh Annual Offshore Technology Conference
Chemical and isotopic compositions of sediment gas from Norton Sound have been determined for near-surface, gas-charged sediments at two sites identified in acoustic profiles and bottom observations. At one site air-driven vibracorer penetrated sediment saturated with methane. The isotopic value suggests that the methane originated from active biological processes operating...
Modern biogenic gas-generated craters (sea-floor “pockmarks”) on the Bering Shelf, Alaska
Nelson C. Hans, D.R. Thor, Mark W. Sandstrom, Keith A. Kvenvolden
1979, GSA Bulletin (90) 1144-1152
As many as 1,340 small craters per square kilometre cover the sea floor of Norton Sound in the northeastern Bering Sea. The craters are circular pits, 1 to 10 m in diameter and less than 1 m deep, observed on sonographs over 20,000 km2 of northern Norton Sound sea floor. Craters...
Assessing Metallic Resources in Alaska
Donald A. Singer, A. Thomas Ovenshine
1979, American Scientist (67) 582-589
In the last two decades federal and state governments have become in creasingly preoccupied with classi fying public lands according to the uses that may be made of them. One outcome of the classifying can be a change in the land's legal status from one in which any use...
Yolk formation in some Charadriiform birds
T.E. Roudybush, C.R. Grau, Margaret R. Petersen, D. G. Ainley, K.V. Hirsch, A.P. Gilman, S.M. Patten
1979, The Condor (81) 293-298
By counting and measuring the major ova of breeding birds at autopsy and combining these data with time intervals between ovipositions, rough estimates have been made of the time required to form yolk in some non-captive birds (King 1973). Direct studies have been made in domestic fowl (Gallus gallus var....
Petrology, composition, and age of intrusive rocks associated with the Quartz Hill molybdenite deposit, southeastern Alaska
T. Hudson, James G. Smith, Raymond L. Elliott
1979, Canadian Journal of Earth Sciences (16) 1805-1822
A large porphyry molybdenum deposit (Quartz Hill deposit) was recently discovered in the heart of the Coast Range batholithic complex about 70 km east of Ketchikan, southeastern Alaska. Intrusive rocks associated with the mineral deposit form two composite epizonal to hypabyssal stocks and many dikes in country rocks. The stocks are...
Geologic implications and potential hazards of scour depressions on bering shelf, Alaska
M. C. Larsen, H. Nelson, D.R. Thor
1979, Environmental Geology (3) 39-47
Flat-bottomed depression 50-150 m in diameter and 60-80 cm deep occur in the floor of Norton Sound, Bering Sea. These large erosional bedforms and associated current ripples are found in areas where sediment grain size is 0.063-0.044 mm (4-4.5 ??), speeds of bottom currents are greatest (20-30 cm/s mean speeds...
Status and distribution of the California Clapper Rail (Rallus longirostris obsoletus)
Robert E. Gill Jr.
1979, California Fish and Game (65) 36-49
No abstract available....
Reconnaissance study of Upper Cretaceous to Miocene stratigraphic units and sedimentary facies, Kodiak and adjacent islands, Alaska, with a section on sedimentary petrography
Tor Helge Nilsen, George William Moore, Gary R. Winkler
1979, Professional Paper 1093
No abstract available....
A preliminary assessment of the timing and migration of shorebirds along the northcentral Alaska Peninsula
Robert E. Gill Jr., Paul D. Jorgensen
Frank A. Pitelka, editor(s)
1979, Book chapter, Shorebirds in Marine Environments (Studies in Avian Biology no. 2)
An intensive study of post-breeding and migrating shorebirds was conducted in 1976 on a major estuary of the Alaska Peninsula at Nelson Lagoon. Twenty species were recorded, eight of them breeding on the study area. Temporal patterns of relative abundance were obtained from aerial and ground censuses. Prominent events in...
Distribution and status of marine birds breeding along the coasts of the Chukchi and Bering seas
James C. Bartonek, S.G. Sealy
1979, Research Report 11
The Alaska coast fronting on the Chukchi and Bering seas, exclusive of the Aleutian Islands, supports seven complexes of marine bird colonies numbering more than 1 million birds each, nine colonies of 100,000 to almost 1 million birds, and many smaller colonies. Colonies are found on most headlands and islands...
Pomarine jaeger preys on adult black-legged kittiwake
George J. Divoky, Karen L. Oakley, H.R. Huber
1979, The Wilson Bulletin (91) 329-329
On 5 June 1977, while on a cruise in the decomposing pack ice in the Bering Sea, we observed a light phase Pomarine Jaeger (Stercorarius pomarinus) attack, kill and feed on an adult Black-legged Kittiwake (Rissa tridactyla), 1 of approximately 10 individuals within 20 m of the ship's stern. We...
Trees as indicators of past movements on the San Andreas Fault
R. E. Wallace, Valmore C. LaMarche Jr.
1979, Earthquake Information Bulletin (USGS) (11) 127-131
Trees are sources of information about fault movements that have occurred before the earliest historical reports. This kind of evidence can be used to improve estimates of when earthquakes will recur on faults known to be seismically active and to identify active faults that have no record of movement during...
Earthquakes; May-June 1979
W. J. Person
1979, Earthquake Information Bulletin (USGS) (11) 236-238
The months of May and June were somewhat quiet, seismically speaking. There was one major earthquake in the South Pacific on MAy 1. The most destructive earthquake, causing loss of life, was in Indonesia on May 30. In the United States, the largest earthquakes were in Alaska but caused no damage....
New host and geographical records for the leech Acanthobdella peledina Grube 1851 (Hirudinea, Acanthobdellidae)
A. K. Hauck, Michael J. Fallon, Carl V. Burger
1979, Journal of Parasitology (65) 989-989
A total of four leeches (Acanthobdella peledina), parasitizing four specimens of the least cisco (Coregonus sardinella), were found during July and August 1977. The hosts and parasites were collected during a fishery survey by the U.S. Fish and Wildlife Service in the North Slope waters of Naval Petroleum Reserve, Alaska....
A new instrument system to investigate sediment dynamics on continental shelves
D.A. Cacchione, D.E. Drake
1979, Marine Geology (30) 299-312
A new instrumented tripod, the GEOPROBE system, has been constructed and used to collect time-series data on physical and geological parameters that are important in bottom sediment dynamics on continental shelves. Simultaneous in situ digital recording of pressure, temperature, light scattering, and light transmission, in combination with current velocity profiles...
Nesting ecology of Arctic loons
Margaret R. Petersen
1979, The Wilson Bulletin (91) 608-617
Arctic Loons were studied on the Yukon-Kuskokwim Delta, Alaska, from the time of their arrival in May to their departure in September, in 1974 and 1975. Pairs arrived on breeding ponds as soon as sufficient meltwater was available to allow their take-off and landing. Loons apparently do not initiate nests...
Earthquakes; January-February, 1979
W. J. Person
1979, Earthquake Information Bulletin (USGS) (11) 143-147
The first major earthquake (magnitude 7.0 to 7.9) of the year struck in southeastern Alaska in a sparsely populated area on February 28. On January 16, Iran experienced the first destructive earthquake of the year causing a number of casualties and considerable damage. Peru was hit by a destructive earthquake...
Dispersal and migratory patterns of San Francisco Bay produced herons, egrets, and terns
Robert E. Gill Jr., L. Richard Mewaldt
1979, North American Bird Bander (4) 4-13
San Francisco Bay, California, including its fringing marshes, supports a large and diverse water related avifauna (Grinnell and Wythe 19271 Sibley 1952, Gill 1973, 1977). Certain of man's alterations of the Bay's shallower wetlands have resulted in increased habitat diversity which has allowed colonization by several species of birds including...
Paleozoic rocks on the Alaska Peninsula: A section in The United States Geological Survey in Alaska: Accomplishments during 1978
Robert L. Detterman, James E. Case, Frederic H. Wilson
1979, Circular 804-B
Two small areas of middle Paleozoic limestone were discovered near Gertrude Creek, 16 km north of Becharof Lake on the Alaska Peninsula, during reconnaissance flying as part of the Alaska Mineral Resource Assessment Program (AMRAP) for the Alaska Peninsula. Previously, the only known occurrence of Paleozoic rocks on the Alaska...
Earthquakes; March-April, 1979
W. J. Person
1979, Earthquake Information Bulletin (USGS) (11) 183-186
This was a moderately active period, seismically speaking. Three major earthquakes having magnitudes (M) ranging from 7.0 to 7.9 to only one major quake during the first 2 months of the year. Major earthquakes struck in Mexico, Indonesia, and Yugoslavia. The Yugoslavian earthquake caused considerable damage and loss of life. In...
Tufted Puffins nesting in estuarine habitat
Robert E. Gill Jr., Gerald A. Sanger
1979, The Auk (96) 792-794
The Tufted Puffin (Lunda cirrhata) apparently has the most extensive breeding distribution of any North Pacific seabird, extending in the western North Pacific from Hokkaido to the north Chukotsk Peninsula on the Chukchi Sea, and in North America from Cape Lisburne on the Chukchi Sea, south to the Farallon Islands...