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1 edition of Characteristic Lower Cretaceous megafossils from northern Alaska found in the catalog.

Characteristic Lower Cretaceous megafossils from northern Alaska

Characteristic Lower Cretaceous megafossils from northern Alaska

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Published by Dept. of the Interior in Washington .
Written in English

    Subjects:
  • Paleontology - Alaska

  • Edition Notes

    11

    The Physical Object
    Pagination74 p.
    Number of Pages74
    ID Numbers
    Open LibraryOL22006558M

    Upper Cretaceous and Lower Jurassic strata in shallow cores on the Chukchi Shelf, Arctic Alaska. Shallow cores collected in the s on the Chukchi Shelf of western Arctic Alaska sampled pre-Cenozoic strata whose presence, age, and character are poorly known across the region. Abstract. The Opelika field, in northeastern Henderson County, was discovered in The principal producing formation is the Rodessa (Lower Cretaceous). The. Reconstruction of the Trans-Saharan Seaway waters from the Late Cretaceous–early Paleogene. Sunlight of the tropics illuminated seawate. Pubs Warehouse Home > Browse > Book chapter. Browse the USGS Publication Warehouse Publications in the Series None. Earthquakes, ShakeCast, , Structural equation modeling,


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Characteristic Lower Cretaceous megafossils from northern Alaska Download PDF EPUB FB2

Characteristics Lower Cretaceous Megafossils from Northern Alaska,United States Geological Survey Professional Paper,1 figure and 20 plates.

Paperback – January 1, by R. Imlay (Author)Author: R. Imlay. Characteristic Lower Cretaceous megafossils from northern Alaska (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Ralph W Imlay; United States.

Office of Naval Petroleum and Oil Shale Reserves. Get this from a library. Characteristic Lower Cretaceous megafossils from northern Alaska.

[Ralph W Imlay; Geological Survey (U.S.),; United States. Office of Naval Petroleum and Oil Shale Reserves.]. Kirk R. Johnson, Leo J. Hickey, "Megafloral change across the Cretaceous/Tertiary boundary in Characteristic Lower Cretaceous megafossils from northern Alaska book northern Great Plains and Rocky Characteristic Lower Cretaceous megafossils from northern Alaska book, U.S.A.", Global Catastrophes in Earth History; An Interdisciplinary Conference on Impacts, Volcanism, and Mass Mortality, Virgil L.

R.W. ImlayCharacteristic Lower Cretaceous megafossils from northern Alaska United States Geological Survey, Professional Paper, (), pp. Google ScholarCited by: Imlay, R.W. Characteristic lower Cretaceous megafossils from northern Alaska. United States Geological Survey, Professional Paper 74 p.

McLearn FH. The Gastroplites and other Lower Cretaceous faunas of the northern Great Plains. Transactions (Lower Cretaceous) Fort St. John Group, Peace River area, northeastern British Cited by: 2. CENOZOIC MEGAFOSSILS OF NORTHERN ALASKA used here only for the fossiliferous beds.

No opinion is held on the age or possible formational assignment of the remainder of the estimated 7, feet of section. No -- fossils of any kind were found in the section below the upper feet although many samples were examined for Size: 5MB.

The Beudanticeratinae and Cleoniceratinae (Ammonitida) from the Lower Albian of Patagonia Characteristic Lower Cretaceous megafossils from northern Alaska. northern Patagonia. Imlay, R. () Characteristic Lower Cretaceous megafossils from northern Alaska.

Professional Paper of the United states Geological Survey, by: 1. Plug Shaped Burrows Conichnus - Conostichus from the. Characteristic Lower Cretaceous megafossils from northern. Characteristic Lower Cretaceous megafossils from northern Alaska. now characteristic of the lower latitudes of the northern hemisphere ranged as far north as Alaska (d.

columns 1 and 6 of table 3). Comparisons at the generic level, and with floras from different parts of the world, further reveal the widespread occur­ rence of many plant families during the Cretaceous.

For example, Teixeira (,Cited by: PP / Imlay, R. / CHARACTERISTIC LOWER CRETACEOUS MEGAFOSSILS FROM NORTHERN ALASKA,pb, 74 pages, 4 plates (in pocket), 20 plates, 1 figure, 14 tables, $ 25 PP D / Imlay, R. / EARLY CRETACEOUS (ALBIAN) AMMONITES FROM THE CHITINA VALLEY AND TALKETTNA MOUNTAINS, ALASKA,pb, pages 87 -9 plates, 4 figs., 3 tables, $ Jones, D.L.,Cretaceous Ammonites from the Lower Part of the Matanuska Formation, Southern Alaska.

Geological Survey Professional Paper McLearn, F.H.,The Gastroplites Characteristic Lower Cretaceous megafossils from northern Alaska book other Lower Cretaceous faunas of the Northern Great Plains.

PP / Imlay, R. / CHARACTERISTIC LOWER CRETACEOUS MEGAFOSSILS FROM NORTHERN ALASKA, Characteristic Lower Cretaceous megafossils from northern Alaska book, pb, 74 pages, 4 plates (in pocket), 20 plates, 1 figure, 14 tables, $ 25 PP / Taylor, D.

/ LATE CENOZOIC MOLLUSCAN FAUNAS FROM THE Characteristic Lower Cretaceous megafossils from northern Alaska book PLAINS,pb, 94 pages, 4 plates, 2 figs., 6 tables, $ 30 (another copy with slight foxing, $ 24).

If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Dropbox. Shell ornamentation as a likely exaptation: evidence from predatory drilling on Cenozoic bivalvesCited by: Jurassic/Cretaceous boundary deposits in the Far East of Russia are characterized by fauna of a mixed type, including Tethyan ammonites and Boreal species of the north of the region (Western Okhotsk area), the middle Volgian deposits comprise the upper Tithonian Southern Primorye, the lower Berriasian ammonites Pseudosubplanites cf.

grandis, P. by: Imlay, R.W.,Characteristic Lower Cretaceous megafossils from northern Alaska: U.S. Geological Survey Professional Paper74 p.

Jeletzky, J.A.,Uppermost Jurassic and Cretaceous rocks, east flank of Richardson Mountains between Stony Creek and lower Donna River, Northwest Territories: Geological Survey of Canada Paper31 by: 4.

Imlay, R.W.,Characteristic Lower Cretaceous megafossils from northern Alaska: U.S. Geological Survey Professional Paper ,74 p. Jeletzky, J.A:Uppermost Jurassic and Cretaceous rocks, east flank of Richardson Mountams between Stony Creek and lower Donna River, Northwest Territories: Geological Survey of Canada Paper ,31 Size: KB.

The Albian-Paleocene phytostratigraphic scheme suggested in this work for the North Alaska Subregion of the North Pacific differs from the previous ones and includes three phytostratigraphic horizons of subregional extent and four plant-bearing beds.

The scheme is based on distinguished successive stages in flora evolution, being substantiated by comprehensive data on the Cited by: Imlay, R.W.,Characteristic Lower Cretaceous megafossils from northern Alaska: U.S. Geological Survey Professional Paper,74 p.

Summary: Correlation chart shows lower member of Ignek formation in Canning valley as of Albian age (Early Cretaceous). Corgan, J.X.,A Lower Cretaceous brittle-star from the Northern Yukon territory, Canada: Journal of Paleontology, 36 (5), C.M.,Asteroid and ophiuroid trace fossils from the Lower Cretaceous of Chile: Paleontology, 47(1), Characteristic lower Cretaceous megafossils from northern Alaska: United States.

Characteristic Lower Cretaceous megafossils from northern Alaska; USGS PP by Ralph W. Imlay Charlie by Gloria Repp Chasing Alaska: A Portrait of the Last Frontier Then and Now by C. Northern Cretaceous high latitude conifers and angiosperms were almost entirely deciduous, and in the Late Cretaceous the geographic boundary between deciduous (poleward) and evergreen floras coincided approximately with the paleo-Arctic Circle (66°N—limit of hr light-dark regime; Wolfe, ).

The discovery of a new species of Tyrannosaurus relative from the Early Cretaceous of China, some million years old—the largest feathered creature. Part or all of this report is presented in Portable Document Format (PDF). For best results viewing and printing PDF documents, it is recommended that you download the documents to your computer and open them with Adobe Reader.

Characteristic Lower Cretaceous Megafossils from Northern Alaska. Northern Alaska, and Implications for Arctic Ocean Paleogeography. The Paleontological Society Memoir, Matsumoto, T.

Preliminary notes on some of the more important fossils among the Cited by: 8. The Cretaceous (/ k r ɪ ˈ t eɪ. ʃ ə s /, krih-TAY-shəs) is a geological period that lasted from about to 66 million years ago (mya).

It is the third and final period of the Mesozoic Era, as well as the name is derived from the Latin creta, "chalk".It is usually abbreviated K, for its German translation Kreide. The Cretaceous was a period with a relatively warm climate Mean atmospheric CO content over period duration:.

Alaska Northern region Publication: Robinson, F.M.,Test well Grandstand area, Alaska, with section on micropaleontologic study of Grandstand Test Well 1, northern Alaska, by H.R. Bergquist, IN Exploration of Naval Petroleum Reserve No. 4 and adjacent areas, northern Alaska, ; Part 5, Subsurface geology and engineering data: U.S.

Download the text of this report as a page PDF file (; MB). Download the plate for this report as a 40" x 36" PDF file: Composite Stratigraphic Section, Gamma-Ray Profile, and Photographs of Parts of the Lower Cretaceous Fortress Mountain and Torok Formations Exposed along the Siksikpuk River, North-Central Alaska (lat ° n., long ° w.) (ppd_plate1.

Comparisons between Cretaceous and living plant taxa lead to the conclusion that (see Smiley, ): (1) living relatives of Albian plants in northern Alaska are now confined to latitudes south of about 30° N., generally at moderate elevations = humid warmer climatic conditions; (2) modern relatives of later Cretaceous plants are onfined.

Plant megafossils from Albian to Paleocene rocks in Alaska, Contract Report to Office of National Petroleum Reserve in Alaska, U.S. Geological Survey. Spicer, R. Comparative leaf architectural analysis of Cretaceous radiating angiosperms, in Systematic and Taxonomic Approaches in Palaeobotany, B.

Thomas and R. Spicer, eds. Glossopteris (Ancient Greek: γλώσσα glossa, meaning "tongue", because the leaves were tongue-shaped, and pteris, Greek for fern or feathery) is the largest and best-known genus of the extinct Permian order of seed ferns known as Glossopteridales (also known as Arberiales or Ottokariales).

The genus Glossopteris refers only to leaves, within a framework of form genera used in : †Glossopteridaceae. Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives.

Tyrannosauroids lived on the Laurasian supercontinent beginning in the Jurassic the end of the Cretaceous Period, tyrannosauroids were the dominant large predators in the Northern Hemisphere Clade: Dinosauria.

PSOil Types of the Alaskan North Slope — A Progress Report* P.G. Lillis1, K.E. Peters2, and L.B. Magoon2 Search and Discovery Article # () Posted Ma *Adapted from poster presentation given at AAPG Pacific Section Meeting, Anchorage, Alaska, May   With the warming of the Arctic, more focus has been put on the potential for resource development off the northern coast of Alaska in the Chukchi Sea.

In FebruaryUSGS (US Geological Survey) released a report titled "Upper Cretaceous and Lower Jurassic Strata in Shallow Cores on the Chukchi Shelf, Arctic Alaska.". #A Reeside J. UPPER CRETACEOUS AMMONITES FROM HAITI wps with stamp, vg 11 pp., 3 fossil plates.

Price: $ (stock#PPA) #B Imlay R. CHARACTERISTIC MARINE JURASSIC FOSSILS FROM THE WESTERN INTERIOR OF THE UNITED STATES wps with stamp else vg, 21 pp., 5 fossil plts including ammonites.

A pterosaur manus track from Denali National Park, Alaska Range, Alaska, USA. PALAIOS 24(7): Gangloff, R.A. Arctic dinosaurs with emphasis on the Cretaceous record of Alaska and the Eurasian-North American connection.

In Lower and Middle Cretaceous Terrestrial Ecosystems, edited by S.G. Lucas, J.I. Kirkland, and J.W. Estep. New. Abstract. The Zuni sequence in the Williston basin is a largescale lithogenetic package bounded by interregional unconformities. Within the sequence, three major subdivisions are separated by unconformities or marker beds and correspond with chronostratigraphic units: (1) Middle and Upper Jurassic, (2) Lower Cretaceous, and (3) Upper Cretaceous and Paleocene.

Introduction. A comparative characteristic of Late Cretaceous West Siberian foraminiferal assemblages and other provinces of the Northern hemisphere has shown that the Cenomanian-Turonian assemblages are significantly distinctive in their systematic composition but correspond to those of the Canadian province (Western Canada, Northern Alaska) within the boundaries of the Arctic Author: V.

Podobina. Fossil seed of Trimeniaceae is described from the Early Cretaceous (ca. million years ago) Yezo Group in Hokkaido, northern Japan.

The seed, which is the oldest yet found for the family, indicates; 1) Some seed coat structures of Trimeniaceae have been conserved for about million years, including the multilayered stony exotesta with Cited by:.

Cretaceous sedimentary rocks in the Pdf basins of the middle Rocky Mountains incl ft ( m) of predominantly siliciclastic strata in the thrust-belt of northern Utah and ft ( m) of mainly siliciclastic and calcareous strata near the craton in east central Wyoming.$, National Science Foundation, "Cretaceous magmatism and orogenesis in the northern Great Basin".

Grant to Elizabeth Miller, and J.E. Wright. 6//Cretaceous outcrops occur in central Ebook, north Texas, the Edwards Plateau, parts of the High Plains, the Gulf Coastal Plain, and Trans-Pecos Texas. As mentioned earlier, the Texas Cretaceous has been divided into the Lower Cretaceous (Comanche series) and Upper Cretaceous (Gulf series).