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Kenai Block

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Journal Article
Published: 01 June 2005
Bulletin of the Seismological Society of America (2005) 95 (3): 878–895.
... Positioning System ( gps )/geodesy studies indicate the plate interface is currently locked. Earthquakes also occurred frequently within the Kennedy Entrance region where the transition between the Kodiak and Kenai block of the subducting Pacific plate occurs. The seismic moment rate for post-1964 mainshock...
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Journal Article
Published: 01 August 2009
Bulletin of the Seismological Society of America (2009) 99 (4): 2208–2222.
...) based on analysis of seismicity-depth patterns. The Kenai block extends between the northern tip of Kodiak Island (the southwestern edge of Fig.  1 ) and northern PWS (Fig.  1 ). Ratchkovski and Hansen (2002) felt there was no break in the Pacific plate between the Kodiak and Kenai blocks; however...
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Series: AAPG Memoir, AAPG Memoir
Published: 01 January 2014
DOI: 10.1306/13491878M1043625
EISBN: 9781629812687
...” of the Kenai River, was informally referred to as Block A, and the second area of interest, Block B (Figure 2 ), was located approximately 5 km (3 mi) to the north and east of Block A. The first well to be drilled was the Unocal CLU 1, and it was to test Block A. CLU 1 spud on March 11, 1979, and was tested...
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Journal Article
Published: 06 October 2004
Canadian Journal of Earth Sciences (2004) 41 (10): 1159–1179.
... River Unit and deposits in the Clam Gulch, Diamond Creek, and Fox Creek areas. The new 40 Ar/ 39 Ar chronostratigraphic framework place the age of upper part of the Kenai Group strata between 4.6 and 9.4 Ma and support the 8-Ma interpretation of the boundary between the Homerian and Clamgulchian...
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Series: AAPG Memoir, AAPG Memoir
Published: 01 January 2014
DOI: 10.1306/13491877M1043624
EISBN: 9781629812687
... of sedimentation. In addition, movement along the Castle Mountain and Bruin Bay faults resulted in the majority of the trapping structures in the northwestern margin of the basin ( Swenson, 1997 ). Figure 4. Kenai Unit with well paths. Blue line represents cross-section shown in Figure 11 . 1000 ft (304.8 m...
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Journal Article
Journal: Palynology
Published: 01 January 2005
Palynology (2005) 29 (1): 205–262.
...LINDA M. REININK-SMITH; ESTELLA B. LEOPOLD Abstract A study of the Homerian type section in the upper Beluga Formation (Upper Miocene) of the Kenai Group of southern Alaska has yielded two surprising discoveries: (1) warmth-loving taxa and (2) the presence in Alaska of a ‘new’ gymnosperm family...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2431(09)
... A distinctive yet enigmatic suite of fault-bounded ultramafic massifs occurs within accretionary complex mélange of the McHugh Complex on the Kenai Peninsula of southern Alaska. The largest and most significant of these include Red Mountain and the Halibut Cove Complex, consisting of dunite...
Journal Article
Published: 01 June 2002
Bulletin of the Seismological Society of America (2002) 92 (5): 1754–1765.
... is that the seismicity became more compact, revealing details about the fine structure of the Wadati-Benioff zone. In particular, we were able to identify more precisely the boundary between the Kenai and McKinley blocks of the subducting plate. In addition, there is evidence for plate segmentation within the McKinley...
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Journal Article
Published: 01 October 2005
Bulletin of the Seismological Society of America (2005) 95 (5): 1865–1879.
... contour from Plafker et al. ( 1994 ). Note how the band of deeper seismicity extending northward from eastern uci to 62° N tracks the Wadati–Benioff zone contour. The thick black dashed line represents the boundary between the Kenai and McKinley blocks that form the subducting plate within this region...
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Journal Article
Published: 01 August 2001
Bulletin of the Seismological Society of America (2001) 91 (4): 842–857.
...) extension occurs in the upper zone, while extension in the lower zone is rotated 40° to 60° from the down-dip direction. Shallow earthquakes ( Ratchkovsky et al., 1998 ) appear to cluster into two separate blocks. One block includes the Kenai Peninsula and upper Cook Inlet. An aseismic zone separates...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1967
AAPG Bulletin (1967) 51 (6): 1137–1151.
... capacity of 400 wells. Dual pipelines 39 mi. long were laid to connect these new platforms to onshore facilities. Laying of a 20 in., 42-mi. pipeline began along the west shore of the Inlet, and will connect the developing west-side fields to a tanker terminal at Drift River. Ground was broken on the Kenai...
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Journal Article
Published: 01 November 2009
Journal of Paleontology (2009) 83 (6): 880–896.
...HAO HUANG; XIAOCHI JIN; YUKUN SHI; XIANGNING YANG Abstract New fusulinid collections from the Baoshan Block in southwest China necessitate paleobiogeographic reevaluation of the Mid-Permian fusulinids in this region. From Xiaoxinzhai Section in the southern Baoshan Block, 32 fusulinid species...
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Series: Economic Geology Monograph Series, Economic Geology Monograph Series
Published: 01 January 1997
DOI: 10.5382/Mono.09.02
EISBN: 9781629490045
... Abstract Lithoteetonic terranes thot are now the northwestern eoms of North America record more than 500 m.y. of ore-forming processes. Almost all of Alaska’s mineral deposits older than 150 Ma knuicd in oceanic environments in blocks of oceanic crust island areas, or isolated continental...
Journal Article
Journal: AAPG Bulletin
Published: 01 June 1966
AAPG Bulletin (1966) 50 (6): 1311–1323.
... or to increase slightly. State land sales on the Arctic slope and in Cook Inlet resulted in bonus bids of $10,819,816. Two large blocks of Federal land were released on the Arctic slope. Leasing activity is expected to remain high in 1966. The first oil production from the Middle Ground Shoal field in Cook Inlet...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1958
AAPG Bulletin (1958) 42 (1): 219–220.
...Gordon Andreasen; Isidore Zietz; Arthur Grantz ABSTRACT Fourteen aeromagnetic profiles were flown east-west across the Cook Inlet area in 1954, nine extending from about the Triumvirate and Capps glaciers to the Chugach Mountains, and five from the Iniskin-Chinitna Peninsula to the Kenai Peninsula...
Journal Article
Journal: GSA Bulletin
Published: 01 March 2006
GSA Bulletin (2006) 118 (3-4): 289–303.
... of south-central Alaska. Large faults within the anticlines dip steeply, extend into the basement beneath the Tertiary basin fill, and form conjugate flower structures at some localities. We propose a composite tectonic model in which the lateral escape of the Chugach-Kenai Mountain block is driven...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1957
AAPG Bulletin (1957) 41 (6): 1311–1315.
..., and the approval of the Richfield Oil Company’s 71,680-acre Swanson River Unit, on the Kenai Peninsula, Alaska. Richfield and Colorado Oil and Gas plan to commence drilling operations during the early part of 1957. 1 Manuscript received, February 14, 1957. 2 Shell Oil Company. © 1957...
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Journal Article
Published: 02 January 2020
Seismological Research Letters (2020) 91 (3): 1367–1376.
... and Resources ). CI, Cook Inlet; KP, Kenai Peninsula; PWS, Prince William Sound. Bold gray lines indicate the edges of the subducted Yakutat block as determined by Eberhart‐Phillips et al. (2006) . Figure 2. Intensity information for the (a) Iniskin and (b) Anchorage earthquakes obtained from...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 2003
AAPG Bulletin (2003) 87 (1): 1–13.
... in thickness from 2 to 50 ft (0.6 to 15 m) and in gas content from 50 to 250 scf/ton (1.6 to 7.8 cm 2 /g) occur in Miocene-Oligocene fluvial deposits of the Kenai Group. These coals have been identified as the probable source of more than 8 tcf gas that has been produced from conventional sandstone reservoirs...
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Journal Article
Published: 23 July 2010
Canadian Journal of Earth Sciences (2010) 47 (7): 971–985.
... the dominant vegetation. By ∼6600 cal years BP, birch trees (Betula neoalaskana, B. kenaica) from the Anchorage and Kenai lowlands began to spread eastward into eastern Turnagain Arm. Mountain hemlock (Tsuga mertensiana) began to colonize the Girdwood area by ∼3400 cal years BP, followed soon after by Sitka...
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