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Koyukuk Lowlands

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... most of the Koyukuk Lowlands. The later Kobuk Glaciation, subdivided into two stades, was marked by a smaller lobe that terminated in the Koyukuk Lowlands, receded, then readvanced to a frontal position within the Alatna Valley 25 miles closer to the Brooks Range. Drift of the Itkillik Glaciation...
Series: AAPG Memoir
Published: 01 January 1971
DOI: 10.1306/M15370C5
EISBN: 9781629812236
... and the other a narrow northeast-southwest band extending 300 mi (483 km) from the Koyukuk Flats to the Yukon- Kuskokwim lowland. ...
Series: DNAG, Geology of North America
Published: 01 January 1994
DOI: 10.1130/DNAG-GNA-G1.153
EISBN: 9780813754536
... Abstract The east-central Alaska region extends west from the Canadian border to the southeast edge of the Koyukuk basin, and north from the Yukon-Tanana upland to the southeast flank of the Brooks Range (Fig. 1). The region encompasses all or parts of 13 1:250,000 quadrangles and covers...
Series: DNAG, Geology of North America
Published: 01 January 1994
DOI: 10.1130/DNAG-GNA-G1.285
EISBN: 9780813754536
... Abstract Southwest Alaska lies between the Yukon-Koyukuk province to the north, and the Alaska Peninsula to the south (Wahrhaftig, this volume). It includes the southwestern Alaska Range, the Kuskokwim Mountains, the Ahklun Mountains, the Bristol Bay Lowland, and the Minchumina and Holitna...
Journal Article
Journal: AAPG Bulletin
Published: 01 June 1959
AAPG Bulletin (1959) 43 (6): 1427–1436.
... area, of interest. These areas, in order of activity, are: Cook Inlet, Nushagak, Bethel, Alaska Peninsula, Porcupine-Kandik, Yukon-Koyukuk, and Arctic Slope. Drilling increased slightly with 12 wells active at various times. The total footage decreased however, from 52,480 ft. in 1957 to 47,578 ft...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1955
AAPG Bulletin (1955) 39 (6): 1118–1123.
...George O. Gates ABSTRACT Public interest in petroleum and natural gas possibilities in Alaska continued to increase in 1954. Most of the activity centered in southern Alaska, though the Koyukuk basin in western interior Alaska also received attention. Exploratory drilling was conducted at five...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1956
AAPG Bulletin (1956) 40 (6): 1390–1394.
... and the International Boundary. Areas in southern Alaska included the Copper River basin, the Matanuska Valley, the western lowland part of the Kenai Peninsula, and selected areas on the Alaska Peninsula. Seventeen company geologists distributed through 8 parties were in the field for a total of 30 party-months...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1961
AAPG Bulletin (1961) 45 (5): 594–611.
... River upstream from Bethel and that the axis of the Kuskokwim geosyncline extended southwest under the Bethel lowland ( Payne, 1955 ; Cady and others, 1955, pl. 2) where it joined the Koyukuk geosyncline. It now seems likely that the Kuskokwim and Koyukuk geosynclines were more or less separated...
FIGURES | View All (5)
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1951
AAPG Bulletin (1951) 35 (2): 151–168.
... to Miocene or Pliocene are exposed, or may reasonably be expected to comprise the bedrock beneath a thin cover of ice and alluvium, in the arcuate lowland and front range belt bordering the northern coast of the eastern half of the Gulf of Alaska. The belt of Tertiary rocks is about 300 miles in length, 40...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1954
AAPG Bulletin (1954) 38 (6): 1254–1265.
... petroliferous sedimentary rocks of Tertiary age are exposed in a coastal lowland and foothills belt bordering the main front of the Chugach and St. Elias mountains. This belt, designated the Gulf of Alaska Tertiary province, extends from the delta of the Copper River 300 miles southeastward to Icy Point...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1967
AAPG Bulletin (1967) 51 (6): 1137–1151.
... not conduct gravity surveys in Alaska during 1966; however, the U. S. Geological Survey did 2 crew-months of gravity work in the Yukon-Koyukuk basin. Surface geological work, including U. S. Geological Survey petroleum basin studies, totaled 45.3 crew-months, an increase of 17% from 1965. Surface parties were...
FIGURES | View All (4)
Journal Article
Journal: AAPG Bulletin
Published: 01 November 1962
AAPG Bulletin (1962) 46 (11): 1990–2002.
...Arthur Grantz; D. E. White; H. C. Whitehead; A. R. Tagg ABSTRACT Saline waters reach the surface in a large area of the southeast Copper River Lowland, Alaska, and are estimated to add more than 200 tons of chloride per day to the Copper River. Most saline springs in the area are similar...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1971
AAPG Bulletin (1971) 55 (7): 943–957.
... geology of the central part of the Yukon-Koyukuk lowland, Alaska : U.S. Geol. Survey Misc. Geol. Inv . Map I-590. Open-File Reports Alpha , T. R. , 1970 , Physiographic diagrams of parts of the continental borderlands of California and Alaska : U.S. Geol. Survey open-file rept...
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Journal Article
Journal: AAPG Bulletin
Published: 11 November 1993
AAPG Bulletin (1993) 77 (11): 1874–1903.
... (e.g., Shelikof-Shumagin basin), and post-orogenic basins (e.g., Nenana basin), to a variety of allochthonous or highly deformed sedimentary accumulations, such as accretionary prism complexes (e.g., Kodiak Island), complex collisionally deformed basins (e.g., Cook Inlet basin, Yukon-Koyukuk basin...
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Journal Article
Published: 01 February 2001
Quarterly Journal of Engineering Geology and Hydrogeology (2001) 34 (1): 65–70.
... ground created by nets of ice wedges ( Lachenbruch 1962); these polygonal nets characterize periglacial lowlands, and East Anglia has many that are relics from the Pleistocene. Typical polygons are 15–75 m across, bounded by almost straight ice wedges each 10–40 m long between three- or four-point...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 30 January 2018
Lithosphere (2018) 10 (2): 267–278.
...-Koyukuk basin is more of a surprise, as the region is topographically very low (<100 m), and although parts of this Mesozoic marine sedimentary and volcanic basin contain isoclinal folding, no large-scale crustal shortening has been documented in the basin ( Patton and Box, 1989 ). The juxtaposition...
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Journal Article
Journal: Economic Geology
Published: 01 November 2004
Economic Geology (2004) 99 (7): 1415–1434.
... of scales from regional mapping covering an area of approximately 7,000 km 2 to detailed structural mapping in the open pit of the Red Dog mine. The study area includes a range of geomorphologic features that vary from extensive swampy tundra lowlands and treeless barren terrain dominated by long...
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Journal Article
Journal: Geosphere
Published: 16 October 2019
Geosphere (2019) 15 (6): 1774–1808.
... group of thick, mostly deep-water, deformed mid-Cretaceous (115–80 Ma) basins (some with strata as old as Late Jurassic) in Alaska and northwestern Canada that includes the Kuskokwim basin ( Cady et al., 1955 ; Box and Elder, 1992 ; Miller and Bundtzen, 1994 ; Kalbas, 2006 ), Yukon-Koyukuk basin...
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Journal Article
Journal: GSA Bulletin
Published: 12 March 2021
GSA Bulletin (2021) 133 (11-12): 2439–2456.
.... Location: 59°06′27.22″ N, 122°32′00.44″ W. (C, D) The Koyukuk River, Alaska, shows strong downstream translation next to an erosional bank that likely has low erodibility and several other likely counter point bar locations within the channel belt. Location: 64°59′42.64″ N, 157°32′22.72″ W. (E, F) Five...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1966
AAPG Bulletin (1966) 50 (6): 1311–1323.
... of the Arctic Slope, Yukon-Koyukuk, and the Alaska Peninsula at Lake Iliamna, and Kodiak Island. The work on the Arctic Slope was focused on oil shale which occurs in a 400-mile belt in the southern foothills from the Ipewik River east to the Sagavanirktok River. The oil shale is of two major types...
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