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Beluga Formation

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Series: AAPG Memoir, AAPG Memoir
Published: 01 January 2014
DOI: 10.1306/13491880M1043627
EISBN: 9781629812687
... decrease. Gas column heights range from <100 to ~700 ft (<30 to ~213 m), with the more massive claystone fabrics supporting greater column heights. The Beluga River gas field produces from the two youngest Tertiary-age rock units: the overlying highnet-to-gross Sterling Formation...
FIGURES | View All (11)
Image
A fossil stump horizon in the Miocene <b>Beluga</b> <b>Formation</b> (Homerian type secti...
in > Palynology
Published: 01 January 2005
Text-Figure 9. A fossil stump horizon in the Miocene Beluga Formation (Homerian type section) now extends into the intertidal zone northwest of Diamond Creek. Most of the protrusions seen in the tidal area are stumps of trees that stood on this extensive coal bedding plane, suggesting a forested
Image
—Lithologic column for <b>Beluga</b> <b>Formation</b>. See  Figure 4  for lithologic symb...
Published: 01 April 1972
Fig. 9. —Lithologic column for Beluga Formation. See Figure 4 for lithologic symbols.
Journal Article
Published: 06 October 2004
Canadian Journal of Earth Sciences (2004) 41 (10): 1159–1179.
...Todd A. Dallegge; Paul W. Layer Abstract Thirty-seven tephra beds, primarily from coal partings in the Sterling and Beluga formations, were successfully dated by the 40 Ar/ 39 Ar method providing a new and revised understanding of the chronostratigraphy of late Tertiary strata within Cook Inlet...
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Journal Article
Journal: GSA Bulletin
Published: 01 June 1990
GSA Bulletin (1990) 102 (6): 830–840.
... but less complete record of volcanism. Coal from the lower Beluga Formation has abundant thin (<10 cm) and dispersed partings recording an eruption once every 125-500 yr of peat accumulation, probably coinciding with a volcanic pulse more than 10.5 m.y. ago. This pulse is not well recorded in nearby...
Series: AAPG Memoir, AAPG Memoir
Published: 01 January 2014
DOI: 10.1306/13491877M1043624
EISBN: 9781629812687
... the Sterling, Beluga, and Tyonek members of the Tertiary-age Kenai Group. The three productive formations were deposited by fluvial systems that migrated across the basin, resulting in a thick section of interbedded sand, silt, mudstone, and coal. Variations in provenance and location within the greater...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1982
AAPG Bulletin (1982) 66 (5): 542.
... sedimentation phases: (1) the Oligocene to Miocene West Foreland, Hemlock, and lower Tyonek formations contain conglomerate, graywacke, siltstone, tuff, basalt flows, and coal; (2) siltstone, shale, carbonate, and coal of the Miocene upper Tyonek and lower Beluga formations indicate lower energy deposition...
Journal Article
Journal: Palynology
Published: 01 December 2010
Palynology (2010) 34 (2): 180–194.
...Linda M. Reinink-Smith Abstract Alder ( Alnus : Betulaceae) pollen grains are common in coal beds of the Miocene Beluga and the Pliocene Sterling formations exposed in the Kenai lowland, Alaska. All alder pollen grains of the Beluga Formation and the lower part of the overlying Sterling Formation...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1985
AAPG Bulletin (1985) 69 (4): 676.
... and that the subsidence kept pace with peat accumulation during the formation of each of the seams. © 1985 American Association of Petroleum Geologists. All rights reserved 1985 American Association of Petroleum Geologists Chuitna River field is part of the Beluga-Yentna field in the upper Cook Inlet basin...
Journal Article
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 787–797.
..., are considered to be prospective for sapphire (corundum), lapis lazuli (lazurite), and spinel gem deposits. This research is an investigation of the hyperspectral signature of rocks from the Beluga sapphire occurrence near Kimmirut, Nunavut. Thirty-five rock and thin section offcut samples from the Beluga...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1972
AAPG Bulletin (1972) 56 (4): 739–754.
...Fig. 9. —Lithologic column for Beluga Formation. See Figure 4 for lithologic symbols. ...
FIGURES | View All (11)
Series: GSA Special Papers
Published: 28 December 2018
DOI: 10.1130/2018.2540(26)
EISBN: 9780813795409
... with limited volcanic input. The middle to upper Miocene Beluga Formation includes abundant argillaceous sedimentary lithic grains and records an upward increase in volcanogenic material. The up-section increase in volcanic detritus continues into the upper Miocene to Pliocene Sterling Formation. These first...
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Series: AAPG Memoir, AAPG Memoir
Published: 01 January 2014
DOI: 10.1306/13491881M1043628
EISBN: 9781629812687
...) of perforations within this interval on a drill stem test. Appraisal drilling proceeded over the following 14 months, confirming the downdip extent of the field and testing oil from the Hemlock Formation. Shallow gas has been detected in the Beluga Formation and produced from the Tyonek at less than 1000 MCFGPD...
FIGURES | View All (21)
Journal Article
Journal: AAPG Bulletin
Published: 01 January 2003
AAPG Bulletin (2003) 87 (1): 1–13.
... (<5000 ft [1524 m]) in the Tyonek and overlying Beluga formations, which contain mainly biogenic methane and cover most of the central and southern basin. Based on core and corrected cuttings-desorption analyses, gas contents average 230 scf/ton (7.2 cm 2 /g) for bituminous coals and 80 scf/ton (2.5...
FIGURES | View All (10)
Journal Article
Journal: Palynology
Published: 01 January 2005
Palynology (2005) 29 (1): 205–262.
...Text-Figure 9. A fossil stump horizon in the Miocene Beluga Formation (Homerian type section) now extends into the intertidal zone northwest of Diamond Creek. Most of the protrusions seen in the tidal area are stumps of trees that stood on this extensive coal bedding plane, suggesting a forested...
FIGURES | View All (30)
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1980
AAPG Bulletin (1980) 64 (8): 1131–1139.
... to -56 per mil. These gas fields are in sandstones interbedded with coals of the Sterling and Beluga Formations; the gas fields are interpreted as biogenic in origin. Lesser reserves (1.1 × 10 10 m 3 ) of natural gas are associated with oil in the deeper Hemlock Conglomerate at the base of the Tertiary...
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Comparison of available absolute ages for the <b>Beluga</b> and Sterling <b>formation</b>...
Published: 06 October 2004
Fig. 3. Comparison of available absolute ages for the Beluga and Sterling formations in the Kenai Peninsula. Note the apparent time-transgressive nature of the Clamgulchian/Homerian boundary across the 8-Ma chronohorizon. Dates with an asterisk (*) were attributed to apparent detrital
Image
Map of the Kenai lowland showing the <b>Beluga</b> and Sterling <b>formations</b> (first ...
in > Palynology
Published: 01 December 2010
Figure 1. Map of the Kenai lowland showing the Beluga and Sterling formations (first delineated by Barnes and Cobb 1959 ). Numbers 1–11 on the map correspond to locations mentioned in the text. There are two creeks named Falls Creek (asterisks), one on the western shore of the Kenai lowland (2
Journal Article
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 669–699.
... near Kimmirut, southern Baffin Island. A deposit of blue and colorless gem corundum (Beluga occurrence) is compared to a similar calc-silicate pod generally lacking corundum but containing nepheline (Bowhead occurrence) and located 170 m to the SSW. Corundum formation was made possible by three equally...
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—Electric-log characteristics and stratigraphic position of <b>Beluga</b> Formatio...
Published: 01 April 1972
Fig. 8. —Electric-log characteristics and stratigraphic position of Beluga Formation.