Geologic studies in Alaska by the U.S. Geological Survey, 1992
- Edited by:
- Cynthia Dusel-Bacon and Alison B. Till
- Document: Document (pdf)
- Lithofacies and conodonts of Carboniferous strata in the Ivotuk Hills, western Brooks Range, Alaska: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1992
- Deep-water lithofacies and conodont faunas of the Lisburne Group, western Brooks Range, Alaska: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1992
- Structural evolution of the Chugach-Prince William terrane at the hinge of the orocline in Prince William Sound, and implications for ore deposits: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1992
- Timing of early Tertiary ridge subduction in southern Alaska: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1992
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This collection of 19 papers continues the annual series of U.S. Geological Survey reports on the geology of Alaska. The contributions, which include full-length Articles and shorter Geologic Notes, cover a broad range of topics including dune formation, stratigraphy, paleontology, isotopic dating, mineral resources, and tectonics. Articles, grouped under four regional headings, span nearly the entire State from the North Slope to southwestern, south-central, and southeastern Alaska (fig. 1).
In the section on northern Alaska, Galloway and Carter use new data on dune morphology and radiocarbon ages from the western Arctic Coastal Plain to develop a late Holocene chronology of multiple episodes of dune stabilization and reactivation for the region. Their study has important implications for climatic changes in northern Alaska during the past 4,000 years. In two papers, Dumoulin and her coauthors describe lithofacies and conodont faunas of Carboniferous strata in the western Brooks Range, discuss depositional environments, and propose possible correlations and source areas for some of the strata. Schenk and Bird propose a preliminary division of the Lower Cretaceous stratigraphic section in the central part of the North Slope into depositional sequences. Aleinikoff and others present new U-Pb data for zircons from metaigneous rocks from the central Brooks Range. Karl and Mull, reacting to a proposal regarding terrane nomenclature for northern Alaska that was published in last year's Alaskan Studies Bulletin, provide a historical perspective of the evolution of terminology for tectonic units in the Brooks Range and present their own recommendations.
Additional publication details
- Publication type:
- Publication Subtype:
- USGS Numbered Series
- Geologic studies in Alaska by the U.S. Geological Survey, 1992
- Series title:
- Series number:
- Year Published:
- U.S. Government Printing Office
- Publisher location:
- Washington, D.C.
- Contributing office(s):
- Geology, Minerals, Energy, and Geophysics Science Center, Alaska Science Center
- vi, 250 p.
- United States