Refraction studies between Icy Bay and Kayak Island, eastern Gulf of Alaska
K.C. Bayer, R.E. Mattick, T.R. Bruns, George Plafker
1978, Journal of Research of the U.S. Geological Survey (6) 625-636
Results of five seismic refraction lines shot by the U.S. Geological Survey in the Gulf of Alaska between Icy Bay and Kayak Island indicate the following: (1) The Continental Shelf is underlain by as much as 11 km of sedimentary rock of probable Tertiary age where refraction velocities range from 1.2 to 5.5 kilometers per...
Potassium-argon ages of basement rocks from Saint George Island, Alaska
D.M. Hopkins, M.L. Silberman
1978, Journal of Research of the U.S. Geological Survey (6) 435-438
Potassium-argon ages from basement granitic rocks that intrude serpentinized peridotite on St. George Island, Alaska, range from 50 to 57 million years, with an initial argon isochron age. interpreted as a minimum figure, of 52 ± 2 m.y. The age of the granitic rocks and their association with serpentinized peridotite...
Megalineament in southeastern Alaska marks southwest edge of Coast Range batholithic complex
David A. Brew, A. B. Ford
1978, Canadian Journal of Earth Sciences (15) 1763-1772
The Coast Range megalineament is a prominent, nearly continuous topographic and structural feature that extends southeastward about 550 km (330 mi) from its junction with the Chatham Strait – Lynn Canal fault at Point Sherman to Tongass Passage near the mouth of Pearse Canal where it leaves southeastern Alaska. It probably extends...
A tuya in Togiak Valley, Southwest Alaska
J. M. Hoare, W. L. Coonrad
1978, Journal of Research of the U.S. Geological Survey (6) 193-201
The shape, composition, structure, and location of a conspicuous flat-topped mountain in the lower Togiak Valley, southwest Alaska, all indicate that it formed by a subglacial volcanic eruption of olivine basalt. Volcanoes of this type are known as "tuyas." The Togiak tuya erupted into an intraglacial lake in a hole...
Thermogenic gases in near-surface sediments of Norton Sound, Alaska
C. Hans Nelson, Keith A. Kvenvolden, Edward C. Clukey
1978, Conference Paper
A plume of hydrocarbon gases, assumed to be of thermogenic origin based on chemical compositions, has been noted by others in the water column of Norton Sound about 40 km south of Nome, Alaska. We used detailed geophysical transects, side-scan sonar, underwater television, and chromatographic analyses of gases in near-surface...
Preliminary geologic map of Alaska
Helen M. Beikman
1978, Report
No abstract available....
Guidelines for safe geologic fieldwork in Alaska
David A. Brew
1978, Report
No abstract available....
Coastal processes and morphology of the Bering Sea coast of Alaska
A. H. Sallenger Jr., J.R. Dingler, R.E. Hunter
1978, Book chapter, Environmental assessment of the Alaskan continental shelf: annual reports of principal investigators for the year ending March 1978
Corynebacterial kidney disease: Egg transmission following iodophore disinfection
G.L. Bullock, H.M. Stuckey, D.M. Mulcahy
1978, Fish Health News (7) 51
Map and table describing metalliferous and selected nonmetalliferous mineral deposits, Talkeetna Mountains quadrangle, Alaska
Bela Csejtey Jr., R.J. Miller
1978, Open-File Report 78-558-B
No abstract available....
BKD vertical transmission
G.L. Bullock, H.M. Stuckey, D.M. Mulcahy
1978, Fish Health Section Newsletter (6) 1
Oblique map of the Kayak Trough
Tau Rho Alpha
1978, Open-File Report 78-464
No abstract available....
Induction of auroral zone electric currents within the Alaska pipeline
W.H. Campbell
1978, Pure and Applied Geophysics PAGEOPH (116) 1143-1173
The Alaskar pipeline is a highly conducting anomaly extending 800 miles (1300 km) from about 62?? to 69?? geomagnetic latitude beneath the most active regions of the ionospheric electrojet current. The spectral behavior of the magnetic field from this current was analyzed using data from standard geomagnetic observatories to establish...
Map showing geochemical distribution and abundance of silver in stream sediments and heavy mineral concentrates, Talkeetna Mountains quadrangle, Alaska
R.J. Miller, G.C. Curtin, Bela Csejtey Jr.
1978, Open-File Report 78-558-G
No abstract available....
Reconnaissance geologic map and geochronology, Talkeetna Mountains quadrangle, northern part of Anchorage quadrangle, and southwest corner of Healy quadrangle, Alaska
Bela Csejtey Jr., W. H. Nelson, D.L. Jones, Norman J. Silberling, R. M. Dean, M.S. Morris, M. A. Lanphere, James G. Smith, M.L. Silberman
1978, Open-File Report 78-558-A
No abstract available....
Map showing copper determined by atomic absorption in stream sediments, Ketchikan and Prince Rupert quadrangles, Alaska
Richard D. Koch, Raymond L. Elliott, M. J. Diggles
1978, Open-File Report 78-73-C
No abstract available....
Seasonal trends in summer diet of the lapland longspur near Barrow Alaska USA
T. W. Custer, F.A. Pitelka
1978, The Condor (80) 295-301
Contents of lapland longspur [Calcarius lapponicus] stomachs and esophagi were sampled near Barrow, Alaska [USA], from May-Aug. in 1969, 1971, 1972 and 1973. Data from stomach contents were corrected for differential digestion of prey items. Longspurs shifted seasonally from larval to adult arthropods and back to larvae, responding to changes...
Map showing geochemical distribution and abundance of tungsten in heavy mineral concentrates, Talkeetna Mountains quadrangle, Alaska
R.J. Miller, G.C. Curtin, Bela Csejtey Jr.
1978, Open-File Report 78-558-N
No abstract available....
Map showing geochemical distribution and abundance of barium in heavy mineral concentrates, Talkeetna Mountains quadrangle, Alaska
R.J. Miller, G.C. Curtin, Bela Csejtey Jr.
1978, Open-File Report 78-558-O
No abstract available....
Meteorite impact crater in central Alaska
W. W. Patton Jr., T. P. Miller, P. J. Cannon
1978, Science (201) 279-280
[No abstract available]...
Analyses of stream-sediment samples from the Ketchikan quadrangle, southeastern Alaska
Richard D. Koch, Raymond L. Elliott
1978, Open-File Report 78-156-C
No abstract available....
Sea otter predation and community organization in the western Aleutian Island, Alaska
J.E. Estes, N. S. Smith, J. F. Palmisano
1978, Ecology (59) 822-833
Predation by the sea otter (Enhydra lutris) limits epibenthic invertebrates, especially sea urchins (Strongylocentrotus polyacanthus), in turn allowing a luxuriant development of the macroalgal canopy. Where sea otters are abundant, sea urchins are small and scarce in shallow water, and the association of fleshy macroalgae apparently is regulated by competition....
Map showing zinc determined by atomic absorption in stream sediments, Ketchikan and Prince Rupert quadrangles, Alaska
Richard D. Koch, Raymond L. Elliott, M. J. Diggles
1978, Open-File Report 78-73-E
No abstract available....
Map showing geochemical distribution and abundance of bismuth in stream sediments and heavy mineral concentrates, Talkeetna Mountains quadrangle, Alaska
R.J. Miller, G.C. Curtin, Bela Csejtey Jr.
1978, Open-File Report 78-558-L
No abstract available....
New potassium-argon data on the age of mineralization and metamorphism in the Willow Creek mining district, southern Talkeetna Mountains, Alaska
Miles L. Silberman, Bela Csejtey Jr., James G. Smith, Marvin A. Lanphere, Frederic H. Wilson
1978, Circular 772-B
The now largely abandoned Willow Creek mining district, southern Talkeetna Mountains, Alaska, produced nearly $18,000,000 in gold and minor silver between 1909 and the early 1950's. Mineralized quartz veins, which contain gold and silver along with minor quantities of base metals (in pyrite, galena, chalcopyrite, sphalerite, molybdenite, and arsenopyrite), cut...
