Results 21 to 30 of about 3,473,586 (165)

FEATURES OF THE GEOLOGICAL STRUCTURE OF SEDIMENTARY COVER OF FROLOVSKAYA MEGADEPRESSION DERIVED FROM THE RESULTSOF GENERALIZATION OF GEOLOGICAL AND GEOPHYSICAL DATA

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2018
The article is devoted to the features of the geological structure of Jurassic-Cretaceous deposits of Frolovskaya megadepression. These features are derived from the results of the generalization of the materials of regional seismic profiles, maps of ...
S. R. Bembel   +3 more
doaj   +1 more source

The postcranial skeleton of monolophosaurus jiangi (dinosauria: Theropoda) from the Middle Jurassic of Xinjiang, China, and a review of Middle Jurassic Chinese theropods [PDF]

open access: yes, 2010
The Middle Jurassic was a critical time in the evolution of theropod dinosaurs, highlighted by the origination and radiation of the large-bodied and morphologically diverse Tetanurae.
Benson, R. B. J.   +11 more
core   +1 more source

CRITERIA FOR REASSESSMENT OF OIL AND GAS POTENTIAL OF RESERVOIR ZONES IN SOUTHEASTERN WESTERN SIBERIA BASEMENT

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2022
Relevance. The Paleozoic formations of Western Siberia are the main object of hydrocarbon potential further increase of the considered territory. The geological structure complexity of the basement rocks, the unsatisfactory quality of drilling, casing ...
Vladimir B. Belozerov, Gennady E. Silkin
doaj   +1 more source

Structural and petrological characteristics of a Jurassic detachment fault from the Mont-Blanc massif (Col du Bonhomme area, France)

open access: yes, 2022
International audienceNecking zones, located between the proximal and distal domains of passive margins, are characterized by important crustal thinning and the occurrence of extensional detachment faults.
Dall'Asta, Nicolas   +13 more
core   +1 more source

OIL AND GAS CONTENT OF WEATHERING CRUST AND PALEOZOIC IN KOLTOGOR MEZODEPRESSION (NORTH-WEST OF THE TOMSK REGION)

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
The relevance of the research consists in the necessity of reproduction of raw materials base with hard-to-recover reserves in the Pre-Jurassic oil and gas complex due to the depletion of the «classic» oil and gas horizons of Western Siberia.
Galina A. Lobova   +2 more
doaj   +1 more source

Provenance and geochemistry of exotic clasts in conglomerates of the Oligocene Torehina Formation, Coromandel Peninsula, New Zealand [PDF]

open access: yes, 2003
Non-marine pebble to cobble conglomerates of the lower Torehina Formation (Oligocene) crop out along western Coromandel Peninsula and overlie, with strong angular discordance, continental-margin metasedimentary rocks (Manaia Hill Group) of Mesozoic (Late
Nelson, Campbell S.   +3 more
core   +1 more source

Tectonics and deep structure of Yugan-Koltogor zone of West Siberia Platform foundation

open access: yesЛитосфера, 2019
Research subject. The deep structure of the Yugan-Koltogor zone located in West Siberia was investigated with the purpose of detecting prospective oil and gas bearing areas.Materials and methods.
K. S. Ivanov   +2 more
doaj   +1 more source

GABBROIDS OF PRE-JURASSIC BASEMENT OF ARCTIC AND THEIR SULFIDE MINERALIZATION (SYUNAY-SALIN AREA, YAMAL PENINSULA) [PDF]

open access: yesМинералогия, 2019
The chemical and mineral composition of gabbroids of the pre-Jurassic basement of the Syunay-Salin area located in the Arctic part of the West Siberian megabasin on Yamal Peninsula is studied.
Yu.V. Erokhin   +4 more
doaj   +1 more source

Zoning of oil-gas potential of pre-jurassic reservoirs in Nyurol'ka megadepression (using paleotemperature modeling and drilling)

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2018
The relevance of the research consists in the necessity of assessing a search strategy (search criteria, conceptual technological scheme) of bodies in the pre-Jurassic petroleum play of Western Siberia (hard to recover reserves).
Galina Anatolyevna Lobova   +2 more
doaj   +2 more sources

Environmental controls on the distribution of neoselachian sharks and rays within the British Bathonian (Middle Jurassic). [PDF]

open access: yes, 2004
Extensive sampling from a range of facies within the Bathonian (Middle Jurassic) of southern England has allowed the palaeoenvironmental distribution of a number of taxa of neoselachian sharks and rays to be assessed.
Underwood, Charlie J.
core   +2 more sources

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