Results 31 to 40 of about 9,383,845 (204)

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

Dinosaur footprints in the Early Jurassic of Patagonia (Marifil Volcanic Complex, Argentina): Biochronological and palaeobiogeographical inferences [PDF]

open access: yes, 2017
A new dinosaurian track-bearing site, with tridactyl footprints from the Lower Jurassic (pre-middle Pliensbachian) volcanogenic and epiclastic rocks of the Marifil Volcanic Complex, Patagonia, Argentina, is presented and described.
Díaz Martínez, Ignacio   +6 more
core   +1 more source

Protolith age of the Altar and Carnero complexes and latest Cretaceous–Miocene deformation in the Caborca–Altar region of northwestern Sonora, Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2019
In the Caborca–Altar area of northwest Sonora, variably deformed and metamorphosed sedimentary and volcanic rocks crop out in a northwest-southeast–trending belt (El Batamote belt) at least 70 km long.
Carl E. Jacobson   +5 more
doaj   +1 more source

Stratigraphy, facies and geodynamic settings of Jurassic formations in the Bükk Mountains, North Hungary: its relations with the other areas of the Neotethyan realm. [PDF]

open access: yes, 2013
Jurassic mélange complexes related to the subduction of the Neotethys Ocean occur in the Bükk Mountains, North Hungary. This paper characterizes the sedimentary sequence of basin and slope facies that occur in the southwestern part of the Bükk ...
JÁNOS HAAS   +9 more
core   +1 more source

Petroleum potential of Lower Jurassic and Pre-Jurassic reservoirs of Ust-Tym megadepresion

open access: yesГеофизический журнал, 2015
The relevance of the research is caused by the need of reproduction of oilfields area resource base in southeast of Western Siberia. The main aim of the research is to identify and to propose the priority areas for exploration and development of oil and
G.A. Lobova   +3 more
doaj   +1 more source

The paleotectonic evolution of the western Mediterranean: provenance insights from the internal Betics, southern Spain

open access: yesFrontiers in Earth Science, 2022
Since the early Cenozoic, the closure of the Alpine Tethys in the Western Mediterranean has been accomplished by protracted subduction, followed by collision and orogenic collapse.
Eirini M. Poulaki, Daniel F. Stockli
doaj   +1 more source

The discovery of Isocrinus cf. robustus from the Lias Group (Lower Jurassic) near Dunrobin Castle, Sutherland, Scotland [PDF]

open access: yes, 2009
A single stem section (pluricolumnal) belonging to a post-Palaeozoic crinoid (sea lily) is reported from a small outcrop of Lower Jurassic Lias Group strata exposed in low cliff near Dunrobin Castle.
Clark, N.   +3 more
core   +1 more source

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

Late Jurassic selachians (Chondrichthyes, Elasmobranchii) from southern Germany: Re-evaluation on taxonomy and diversity [PDF]

open access: yes, 2004
The record and taxonomy of Late Jurassic selachians from southern Germany is reviewed and discussed. The conservation lagerstätten of Nusplingen and the Solnhofen area are outstanding because they yielded numerous entire skeletons.
Klug, S   +4 more
core   +1 more source

Dinosaur footprints from the Duntulm Formation (Bathonian, Jurassic) of the Isle of Skye [PDF]

open access: yes, 2004
The first in situ dinosaur tracks from Scotland were discovered at the top of the Duntulm Formation (Bathonian, Jurassic) near to Staffin in northeastern Skye.
Booth, P.   +3 more
core   +1 more source

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