Paleoenvironmental reconstruction of the Middle Ordovician Majiagou Formation in the northeastern Ordos Basin and its effect on organic matter enrichment [PDF]
Scientific ReportsThe alteration of paleoenvironment is a crucial factor influencing the variations in hydrocarbon-forming organisms and the preservation of organic matter.
Yiran Wang +4 more
doaj +2 more sources
Geosciences (Switzerland)Research of the depositional environment using geological mapping, petrography, gamma-ray (GR) log, palynology, and foraminifera fossils of the Bojongmanik Formation has led to the formation of several different conclusions about the transition to the ...
Heri Syaeful +2 more
exaly +3 more sources
On the Evolution of Paleoclimate and Paleoenvironment in Eastern Beijing Plain in the Last 70,000 Years Based on the Sediment Chronological Framework [PDF]
E3S Web of Conferences, 2021 To study the paleoenvironment and paleoclimate of eastern Beijing Plain, this paper, based on particle size analysis and sporopollen analysis, constructs a sediment chronological framework.
Li Tengfei
doaj +1 more source
Geophysical Monograph Series, Page 435-447., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Peter E. Marshall +2 more
wiley +3 more sources
New species of Omma Newman from mid-Cretaceous Burmese amber (Coleoptera, Archostemata, Ommatidae) [PDF]
Deutsche Entomologische Zeitschrift, 2021 A new fossil species of the extant archostematan genus Omma Newman, O. forte sp. nov., is reported from mid-Cretaceous amber from northern Myanmar. The extinct ommatid genus, Cionocups Kirejtshuk from the same deposit, is considered as a junior synonym ...
Yan-Da Li +2 more
doaj +3 more sources
Limnomma, a new genus of Ommatidae from the Middle Jurassic Daohugou beds (Coleoptera, Archostemata) [PDF]
Deutsche Entomologische Zeitschrift, 2021 The relictual archostematan beetle family Ommatidae attained high diversity during the Mesozoic. Despite their once high taxonomic diversity and morphological disparity, many Mesozoic ommatid taxa remain poorly understood, partly due to limited ...
Yan-Da Li +4 more
doaj +3 more sources
Frontiers in Earth Science, 2021 The growth of the southern piedmont of the Himalayan boundary and its depositional setting has changed since uplift of the Himalaya due to continental Indian-Eurasian collision, which has resulted in variation in magnetic minerals in marine- and ...
Dhan Bahadur Khatri +8 more
doaj +1 more source
GRANULOMETRIC ANALYSIS OF THE SARMATIAN SANDS FROM THE MOESIAN PLATFORM DESCRIBING ASPECTS OF THE DEPOSITIONAL ENVIRONMENT [PDF]
Romanian Journal of Petroleum & Gas Technology, 2023 The Moesian Platform pertaining to Romania gathers numerous petroleum and gas reservoirs of various sizes and types of hydrocarbons, from black oil to shallow gas reservoirs. They are sited in reservoir rocks having different lithologies (limestone, sand,
Jacota Dan-Romulus
doaj +1 more source
Journal of Glaciology, 2020 Under the potential to reconstruct the past climatic and atmospheric conditions from a deep ice core in the coastal Antarctic site (Styx Glacier), an 8.84 m long firn core (73°50.975′ S, 163°41.640′ E; 1623 m a.s.l.) was initially studied to propose a ...
Yalalt Nyamgerel +5 more
doaj +1 more source
Molecules, 2020 This study presents ultraclean procedures used in the challenging task of determining trace elements at or below the pg/g concentration level encountered in Greenland snow and ice.
Changhee Han +7 more
doaj +1 more source