Results 31 to 40 of about 10,763 (119)

Pliocene adakite-like accent of andesites and dacites from the Orlov volcanic field (Sakhalin Island)

open access: yesГеосистемы переходных зон, 2021
Adakite-like geochemical signature (high Sr/Y ratio at a low Y concentration) is recognized in andesites and dacites, associated with intraplate basalts in the Orlov volcanic field of Sakhalin Island.
Sergei V. Rasskazov   +5 more
doaj   +1 more source

PERIODIZATION OF RECENT AND LATE PLEISTOCENE – HOLOCENE GEODYNAMIC AND PALEOCLIMATIC PROCESSES

open access: yesГеодинамика и тектонофизика, 2015
Based on comparative analyses of spatial and temporal patterns of high- and medium-potassic basaltic eruptions in the Central Mongolia and marine survey records of Sr isotopes, it is revealed that the start of the recent geodynamic stage in the Central ...
S. V. Rasskazov, K. G. Levi
doaj   +1 more source

The spore-pollen assemblages of the Miocene Baode Formation from Borehole ZK301 in the Yuncheng Basin and its geological significance

open access: yesDizhi lixue xuebao, 2023
The deposition period of the Baode Formation in the Miocene was crucial when the uplift and expansion of the Tibetan Plateau in the NE direction affected the Cenozoic basins around the Ordos Plateau.
FAN Ruyi   +3 more
doaj   +1 more source

Fluid charging history in Ledong 10 area, Yinggehai Basin, revealed by CO2 inclusion characteristics

open access: yesShiyou shiyan dizhi, 2021
The Cenozoic strata of Yinggehai Basin is rich in natural gas, and exploration breakthroughs have been achieved in the middle and deep strata of the basin in recent years. The discovery of gas fields in the Ledong 10 area had attracted concerning for the
Leilei SHUI   +6 more
doaj   +1 more source

CHARACTERISTICS AND RESOURCE POTENTIAL OF OIL SHALE IN CHINA; pp. 15–41 [PDF]

open access: yesOil Shale, 2017
Based on the results of the National Oil Shale Resource Evaluation in China conducted from 2003 to 2006, and combined with the new explora­tion progress in recent years, the characteristics and resource potential of oil shale in China have been ...
ZHAOJUN LIU   +7 more
doaj   +1 more source

Cenozoic paleontological characteristics and paleoenvironment of King George Island, West Antarctica

open access: yesDizhi lixue xuebao, 2021
A set of high-K and low-Al tholeiites intercalated with volcanic clastic rocks developed in King George Island (Western Antarctica), belonging to the island arc volcanic rock series.
WEI Lijie
doaj   +1 more source

Partially disarticulated new Miocene burrower bug (Hemiptera: Heteroptera: Cydnidae) from Cerová (Slovakia) documents occasional preservation of terrestrial arthropods in deep-marine sediments

open access: yesEuropean Journal of Entomology, 2015
The state of preservation of the bug Sehirus carpathiensis J.A. Lis, Vršanský & Schlögl, sp. n. (Hemiptera: Heteroptera: Cydnidae) from the Lakšárska Nová Ves Formation at Cerová (Slovakia) supports extremely rapid sinking and burial in upper bathyal ...
Peter VRŠANSKÝ   +6 more
doaj   +1 more source

Mesozoic and Cenozoic decapod crustaceans from the Basque-Cantabrian basin (Western Pyrenees): new occurrences and faunal turnovers in the context of basin evolution

open access: yesBSGF - Earth Sciences Bulletin, 2017
Twenty-nine new identifications of fossil decapod crustacean remains in the Basque-Cantabrian Basin (Western Pyrenees) spanning from the Jurassic to the Miocene and coming from twenty-four new and five yet known localities are described here for the ...
López-Horgue Mikel A., Bodego Arantxa
doaj   +1 more source

Surface Ocean Cooling in the Eocene North Atlantic Coincides With Declining Atmospheric CO2

open access: yesGeophysical Research Letters, 2023
The Eocene (56–34 million years ago) is characterized by declining sea surface temperatures (SSTs) in the low latitudes (∼4°C) and high southern latitudes (∼8–11°C), in accord with decreasing CO2 estimates.
Gordon N. Inglis   +8 more
doaj   +1 more source

A new hoverfly genus from the Oligocene of France with unusual morphology

open access: yesActa Palaeontologica Polonica
Here, we describe Intricodon cryptodaemoniacus, a new fossil genus and species of hoverfly (Diptera: Syrphidae), representing the second described hoverfly from the middle Oligocene of Céreste (Luberon, Southern France). It has unique, highly specialized
Valentin Nidergas   +3 more
doaj   +1 more source

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