Results 21 to 30 of about 31,856 (219)

Analysis of Neogene provenance in Zhahaquan area, Qaidam Basin

open access: yes地质科技通报, 2023
It is generally believed that the provenance of the Neogene sandbar reservoir in the Zhahaquan Oilfield in the western Qaidam Basin is consistent with that of the Paleogene.
Shuangping Pan   +5 more
doaj   +1 more source

First Miocene megafossil of arrowhead, alismataceous plant Sagittaria, from South America [PDF]

open access: yesActa Palaeontologica Polonica, 2021
The first pre-Quaternary representative of Alismataceae from South America is reported based on achenes of Sagittaria montevidensis from the Palo Pintado Formation (upper Miocene) in the south of Salta Province, Argentina.
Juan M. Robledo   +3 more
doaj   +1 more source

Investigation of alkaline basalts of Joupar block located in south of Kerman [PDF]

open access: yesپترولوژی, 2019
In the western part of the Joupar Mountains, a set of Neogene basic rocks cover the felsic rocks. Volcanic rocks suite consisting of basalt- andesite- dacite and rhyolite.
Farzaneh Arzhangnezhad   +3 more
doaj   +1 more source

No high Tibetan Plateau until the Neogene

open access: yesScience Advances, 2019
The youngest palm fossil record in Tibet suggests that there was no high Tibetan Plateau until the Neogene. The Late Paleogene surface height and paleoenvironment for the core area of the Qinghai-Tibetan Plateau (QTP) remain critically unresolved.
T. Su   +16 more
semanticscholar   +1 more source

The Neogene and Quaternary deposits of the Barcelona city through the high-speed train line

open access: yesGeologica Acta, 2020
A total of 208 boreholes with continuous core sampling, drilled for the construction of the high-speed train line through the city of Barcelona and other nearby infrastructures, were studied.
J.M. Salvany, J. Aguirre
doaj   +1 more source

A critical revision of the fossil record, stratigraphy and diversity of the Neogene seal genus Monotherium (Carnivora, Phocidae) [PDF]

open access: yesRoyal Society Open Science, 2018
Historically, Monotherium had been one of the few genera of extinct Phocidae (true seals) that served as a wastebin taxon. Consequently, it did neither aid in understanding phylogenetic relationships of extinct Phocidae, nor in understanding seal ...
Leonard Dewaele   +2 more
doaj   +1 more source

Petrogenesis and Sr-Nd isotope Geochemistry of Neogene Igneous Rocks in the Goloumak Area, South of Kerman, Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2023
The study area is near Goloumak village, 30 km south of Kerman. These rock units consist of acidic rhyolite and dacite, as well as intermediate andesite, basalt, and trachy-andesite.
Farzaneh Arzhangnegad   +3 more
doaj   +1 more source

Meander-braided transition features and hydrocarbon accumulation characteristics in Neogene Shawan Formation, Chunguang exploration block, Junggar Basin

open access: yesShiyou shiyan dizhi, 2021
The Chunguang exploration area is one of the important oil-gas bearing blocks on the northwestern margin of Junggar Basin. Considerable number of high-yield wells have been developed in the Neogene Shawan Formation during the earlier exploration stage ...
Xinxin YUE
doaj   +1 more source

Late Pliocene-Pleistocene incision in the Ebro Basin (North Spain)

open access: yesBSGF - Earth Sciences Bulletin, 2021
The Ebro Basin constitutes the central part of the southern foreland of the Pyrenees. It was endorheic during the Cenozoic and accumulated sediments. By the end of the Miocene, erosion and river incision reconnected the basin to the Mediterranean Sea ...
Regard Vincent   +5 more
doaj   +1 more source

Sedimentación fluvial y lacustre sintectónica ligada a un sinclinal de “buttressing” paralelo a una falla en el sector de Nigüella (NW Cordillera Ibérica)

open access: yesEstudios Geologicos, 2019
En este artículo se discute la evolución sedimentaria del relleno neógeno de un área situada en la parte Noroeste de la Cordillera Ibérica que presenta depósitos fluviales y lacustres, y su relación con la tectónica alpina compresiva que afectó a una ...
N. Santos Bueno   +2 more
doaj   +1 more source

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