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Now showing items 1-20 of 55
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(2002)Pistillate heads with a single ripening fruit and peltate carpellodia from the Tsagayan deposits of the Amur Region are assigned to a new genus of the Platanaceae, Oreocarpa N. Maslova et Krassilov gen. nov. The heads ...
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(2001)A new species of giant chimaeroid Edaphodon eolucifer sp. nov. (family Edaphodontidae) from the basal horizon of the Beryozovaya Beds (Lower Paleocene, Danian) is described based on the lower jaw (“mandibular”), and anterior ...
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(2003)A continuous age model for the brief climate excursion at the Paleocene-Eocene boundary has been constructed by assuming a constant flux of extraterrestrial 3He (3HeET) to the seafloor. 3HeET measurements from ODP Site 690 ...
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(2006)The precise cause and timing of the Cretaceous-Paleocene (K-P) mass extinction 65 Ma ago remains a matter of debate. Many advocate that the extinction was caused by a meteorite impact at Chicxulub, Mexico, and a number of ...
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(2006)Extreme global warmth and an abrupt negative carbon isotope excursion during the Paleocene-Eocene Thermal Maximum (PETM) have been attributed to a massive release of methane hydrate from sediments on the continental slope ...
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(1999)Changes in species diversity, taxonomy, and structure of late Paleocene-Eocene planktonic foraminiferal assemblages are discussed using the results of the analysis of their distribution in the North Pacific region along ...
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(2006)The origin and evolution of the Late Cretaceous and Late Cretaceous–Paleogene island arcs, which make up accreted terranes in the present-day structure of southern Koryakia and eastern Kamchatka, have actively been discussed ...
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(2005)A Late Paleocene (~60 Ma BP) lateritic soil from Northern Ireland (the Antrim paleosol, herein referred to as Nire) contains coexisting goethite, gibbsite, phyllosilicate, and hematite. The Fe(III) oxides exhibit pisolitic ...
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(2006)Alkaline (sodic) volcanic rocks, i.e., ankaratrites-melanephelinites, basanites-tephrites, and phonolites, dated at 119 Ma and similar in composition to the 60-Ma plugs of the Asunción Province, occur in Eastern Paraguay ...
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(2006)We report a new proviverrine hyaenodontid creodont mammal, Boualitomus marocanensis, n.g., n.sp., from the earliest Eocene of Morocco, and provide new comments on Tinerhodon from the late Paleocene of Morocco. Aside from ...
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(2001)Maastrichtian dinosaur bone remains from the Naran Bulak locality (the Gobi Desert) with well-preserved bone textural features are enriched in some trace elements, primarily in REE. These features of vertebrate fossils ...
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(2003)Dispersal of mammals into Europe at the beginning of the Eocene is conventionally interpreted as being solely from North America via the Greenland land bridge, as other routes were apparently unavailable because of the ...
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(2006)The evolution of Tethyan phosphogenesis during the Cretaceous-Eocene is examined to try to explain fluctuations of phosphogenesis through time, and whether or not they reflect long-term changes in ocean circulation or in ...
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(2003)Fossil bivalves bearing oblique ribs first appeared in the Mid Ordovician but their diversity remained low during the Palaeozoic. The diversity soon increased after the Early Triassic, peaking in the Early Cretaceous. The ...
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(2004)In the northeastern Peri Tethys, the Goryachii Klyuch facies of the upper Paleocene are much more widespread than it was believed before. The facies correspond to dark colored, predominantly carbonate-free sediments bearing ...
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(1997)This is the first reliable record of the genus Platanus based on pistillate heads and leaves from the Paleocene of Western Kamchatka. The leaves were previously described as P. basicordata Budants. A new species, P. ...
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(2003)Pre-Quaternary terrestrial climate records in which time has been calibrated using astronomical cycles are, with the exception of lacustrine proxies, poorly represented in the geological record. This omission is a significant ...
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(2002)We present paleomagnetic results of Paleocene welded tuffs of the 53–50 Ma Bogopol Group from the northern region (46°N, 137°E) of the Sikhote Alin volcanic belt. Characteristic paleomagnetic directions with high unblocking ...
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(2003)To further understand the distribution and abundance of Apectodinium through space and time, dinoflagellate cyst (dinocyst) records from two well-calibrated Paleogene sections in the Tethys (Tunisia and Uzbekistan) have ...
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(2001)I present a new method for reconnaissance cyclostratigraphic study of continuously cored boreholes: the generation of detailed sediment color logs by digitizing Ocean Drilling Program (ODP) core photographs. The reliability ...
Now showing items 1-20 of 55