Results 1 to 10 of about 85,756 (294)

On the question of oil and gas perspectives in the central part of the Zarafshan Depression [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
The article discusses the features of the geological and tectonic structure of the Zarafshan Depression, characterized by a pronounced block structure, wide development of regional faults and intersecting smaller transverse diagonal faults.
Khalismatov I.Kh.   +3 more
doaj   +1 more source

Assessment of the petroleum generation potential of the pre-Jurassic strata in the Western Kaymisov petroleum region [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
The article discusses the possibility of petroleum generating in Triassic and Paleozoic sedimentary strata within the Kaimysov petroleum region in the south of the Western Siberian petroleum province.
Sidorov D.A.   +2 more
doaj   +1 more source

A Permian fish reveals widespread distribution of neopterygian-like jaw suspension

open access: yeseLife, 2022
The actinopterygian crown group (comprising all living ray-finned fishes) originated by the end of the Carboniferous. However, most late Paleozoic taxa are stem actinopterygians, and broadly resemble stratigraphically older taxa.
Thodoris Argyriou   +2 more
doaj   +1 more source

CANYONS OF THE CHARYN RIVER (SOUTH-EAST KAZAKHSTAN): GEOLOGICAL HISTORY AND GEOTOURISM [PDF]

open access: yesGeo Journal of Tourism and Geosites, 2021
The Charyn River is located in South-East Kazakhstan, 195 km east of Almaty. The river valley cuts through Paleozoic rocks and loose sandy-clay deposits of the Cenozoic and forms amazingly beautiful canyons, the so-called "Valley of Castles".
Saida NIGMATOVA   +5 more
doaj   +1 more source

Hydrodynamic performance of psammosteids: New insights from computational fluid dynamics simulations [PDF]

open access: yesActa Palaeontologica Polonica, 2019
The shape of dermal armor protecting the body in the Paleozoic agnathans such as the Heterostaci has an important hydrodynamic role in providing lift or drag force generation.
Marek Dec
doaj   +1 more source

FIRST EVIDENCE OF COLOR PATTERNS ON CONCHS OF THE LOWER MOSCOVIAN (MIDDLE PENNSYLVANIAN) COILED NAUTILOIDS FROM THE DONETS BASIN, UKRAINE

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2023
New finds of well-preserved remains of coiled nautiloids from lower Moscovian sediments (Kamenskaya Formation) of the Donets Basin (eastern Ukraine) allowed to describe the color pattern on the conch surface of species of the genera Parametacoceras ...
Vitaly Dernov
doaj   +1 more source

Geochemistry and Petrogenesis of Carboniferous volcanic rocks, NW Marand: Evidence for interacontinental rift Magmatism) [PDF]

open access: yesپترولوژی, 2020
The studied volcanic-sedimentary sequence located at the East-Azarbaijan province, north Marand and in the Central Iranian structural zone. The studied sequence composed of alternative sandstone, shale, conglomerate, limestone, felsic volcaniclastics ...
Zahra Badrzadeh   +2 more
doaj   +1 more source

Review of Oliveirania santa catharinae (sic) Maury 1927 and associated ichnofossils (Itararé Group, Late Carboniferous of Paraná Basin, Brazil)

open access: yesTerr@ Plural, 2021
The sedimentary layers of Anitápolis, Santa Catarina, were the subject of relevant discussions about age and paleoenvironment in the first half of the 20th century.
Rafael Costa da Silva   +1 more
doaj   +1 more source

Geochemical characteristics and genesis of Paleozoic natural gas in the Ordos Basin

open access: yesShiyou shiyan dizhi, 2023
The geochemical characteristics and genesis of Paleozoic natural gas in the Ordos Basin are complex, with some disputes on the gas source of Lower Paleozoic. In order to better grasp the overall geochemical characteristics and variation laws of Paleozoic
Furong LI   +7 more
doaj   +1 more source

Study on the Upper Paleozoic Source Rocks in Southwestern Henan, China [PDF]

open access: yesE3S Web of Conferences, 2021
The Upper Paleozoic strata in Southwestern Henan have good prospects for unconventional oil and gas exploration. This paper takes the Upper Paleozoic source rocks in the Yuzhou area and the Pingdingshan area in Southwestern Henan as the research object ...
Sun Fengyu, Cao Gaoshe, Xing Zhou
doaj   +1 more source

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