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Nanook Limestone

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Laurentian fossils from the Cambrian–Ordovician <b>Nanook</b> <b>Limestone</b>, Shublik M...
Published: 01 October 2013
Figure 3. Laurentian fossils from the Cambrian–Ordovician Nanook Limestone, Shublik Mountains, North Slope subterrane, Arctic Alaska. All views are dorsal, except C and G. (A–D) Plethopeltis armatus , Upper Cambrian (Furongian) trilobite: (A) cranidium, USNM 553718, X3.2; (B–C) pygidium, USNM
Image
Ichnogenera from the lower <b>Nanook</b> <b>Limestone</b> in section F517. Samples were c...
Published: 01 March 2009
Figure 9. Ichnogenera from the lower Nanook Limestone in section F517. Samples were collected between 40 and 45 m above the base of unit N1.
Journal Article
Journal: GSA Bulletin
Published: 01 March 2009
GSA Bulletin (2009) 121 (3-4): 448–473.
...Figure 9. Ichnogenera from the lower Nanook Limestone in section F517. Samples were collected between 40 and 45 m above the base of unit N1. ...
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Series: GSA Special Papers
Published: 14 June 2019
DOI: 10.1130/2018.2541(22)
EISBN: 9780813795416
... Figure 3. Historical lithostratigraphy of the Northeast Brooks Range platformal succession, northeastern Brooks Range, Alaska. The stratigraphic nomenclature proposed herein proposes two new lithostratigraphic groups (Mount Weller and Ikiakpuk groups) and elevates the Nanook Limestone to Group...
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Series: Memoir, Memoir
Published: 01 January 2012
DOI: 10.1306/13331511M983510
EISBN: 9781629810201
... in the subsurface beneath the northeastern part of the North Slope include parts of the basement complex and perhaps the Nanook Limestone. These strata have locally well-developed secondary porosity, yielded gas and condensate in several wells, and were considered potential hydrocarbon reservoirs in a recent oil...
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Image
—Index map of northeastern Alaska showing outcrop areas of sequences A-F in...
Published: 01 April 1972
Fig. 1. —Index map of northeastern Alaska showing outcrop areas of sequences A-F in Neruokpuk Formation; Nanook Limestone and Katakturuk Dolomite (K); Paleozoic granite (431 m.y.); and Cambrian fossil localities (ε). In most places boundary of patterned areas is at base of Mississippian rocks.
Journal Article
Published: 01 September 2005
Journal of Paleontology (2005) 79 (5): 862–870.
... . Blodgett , R. B. , D. M. Rohr , A. G. Harris , and Jia-yu Rong . 1988 . A major unconformity between Upper Ordovician and Lower Devonian strata in the Nanook Limestone, Shublik Mountains, northeastern Brooks Range , p. 18 – 23 . In T. D. Hamilton and J. P. Galloway (eds...
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Image
—Possible correlation of fossiliferous members of Neruokpuk Formation, Nano...
Published: 01 April 1972
Fig. 4. —Possible correlation of fossiliferous members of Neruokpuk Formation, Nanook Limestone, Katakturuk Dolomite, and Paleozoic granitic intrusive rocks. Arrows in age-control column show probable upper and lower limits of interval within which members could occur, based on fossils
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1972
AAPG Bulletin (1972) 56 (8): 1364–1369.
... subaerially weathered noncalcareous rocks. The formation generally is absent in the Sadlerochit, Shublik, and British, and Romanzof Mountains where Mississippian beds truncate the Middle Devonian Nanook Limestone, Katakturuk Dolomite (new names, Dutro, 1970 ), or other calcareous pre-Mississippian rocks...
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Series: Geological Society, London, Memoirs, Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.34
EISBN: 9781862394117
..., sequence stratigraphy and geochronological data are needed to correlate Neoproterozoic and Palaeozoic units across the AACP, and constrain relationships between subterranes in the AACP. The Neoproterozoic Katakturuk Dolomite (units K1–K4) and the overlying Cambrian to Ordovician Nanook Limestone form...
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Image
Photograph looking east at the west-plunging western end of the Sadlerochit...
Published: 01 July 1990
in central Sadlerochit Mountains. Strata of the Lisburne Group (IPMI) directly overlie more steeply south-dipping strata of the Nanook Liffiestone (DpCn); Kekiktuk Congloinerate and Kayak Shale are absent, abd Lisburhe Group remains structurally coupled to the Nanook Limestone.
Image
Simple basin model for deposition of the pre-Devonian strata in the northea...
Published: 01 March 2009
predominantly of dolomite. Age constraints for deposition are based on correlation with the early- and end-Cryogenian glaciations and with the Ediacaran composite δ 13 C curve ( Fig. 12 ). Thickness of the Cambrian–Late Ordovician Nanook Limestone is from the Shublik Mountains. See supplementary data [ footnote
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1985
AAPG Bulletin (1985) 69 (4): 676.
..., the reverse component more likely is primary remanence. If so, it would suggest little latitudinal displacement but 40° of clockwise rotation with respect to North America. The Devonian Nanook Limestone, sampled in the Shublik Mountains, also reveals two major components of magnetization; however...
Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 13 June 2021
Lithosphere (2021) 2021 (1): 7866155.
... and Sunaghun formations (new names), which yield detrital zircon U-Pb age populations of ca. 1050-1250, 1350-1450, 1600-1650, and 2500-2800 Ma (n =800). This succession is overlain by chert-bearing dolostone and limestone of the Caribou Bar formation (new name) that contains vase-shaped microfossils and yields...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1985
AAPG Bulletin (1985) 69 (4): 668.
... structural units: (1) basement—Neruokpuk Formation, Nanook Limestone, and Katakturuk Dolomite—and (2) Lower Mississippian to Upper Cretaceous sedimentary rocks. Basement rocks underwent intense deformation prior to deposition of Lower Mississippian rocks; locally the contact is structural. Crustal...
Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 October 2013
Lithosphere (2013) 5 (5): 477–482.
...Figure 3. Laurentian fossils from the Cambrian–Ordovician Nanook Limestone, Shublik Mountains, North Slope subterrane, Arctic Alaska. All views are dorsal, except C and G. (A–D) Plethopeltis armatus , Upper Cambrian (Furongian) trilobite: (A) cranidium, USNM 553718, X3.2; (B–C) pygidium, USNM...
FIGURES | View All (5)
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1972
AAPG Bulletin (1972) 56 (4): 808–815.
...Fig. 1. —Index map of northeastern Alaska showing outcrop areas of sequences A-F in Neruokpuk Formation; Nanook Limestone and Katakturuk Dolomite (K); Paleozoic granite (431 m.y.); and Cambrian fossil localities (ε). In most places boundary of patterned areas is at base of Mississippian rocks. ...
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Series: SEPM Special Publication, SEPM Special Publication
Published: 01 January 2000
EISBN: 9781565761896
... Katakturuk Dolomite removed in the western Shublik Mountains prior to deposition of the Cambrian to Ordovician Nanook Limestone. The Katakturuk Dolomite is Late Proterozoic (Neoprotero-zoic) in age within these general limits: <801 ± 20 Ma and >545 Ma ( Clough and Goldhammer, 1995 ). The lower age...
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Journal Article
Published: 01 January 2006
Journal of Paleontology (2006) 80 (1): 72–82.
... Devonian strata in the Nanook Limestone, Shublik Mountains, northeastern Brooks Range , p. 18 – 26 . In J. P. Galloway and T. D. Hamilton (eds.), Geologic Studies in Alaska by the U.S. Geological Survey during 1987 . United States Geological Survey Circular, 1016 . Boucot , A. J...
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Journal Article
Published: 01 July 2020
Journal of Paleontology (2020) 94 (4): 637–652.
... Illinois, and eastern Missouri : Oklahoma Geological Survey, Bulletin 119 , 154 p. Blodgett , R.B. , Rohr , D.M. , Harris , A.G. , and Rong J.-Y. , 1988 , A major unconformity between Upper Ordovician and Lower Devonian strata in the Nanook Limestone, Shublik Mountains...
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