Results 11 to 20 of about 31,856 (219)

The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces

open access: yesGeophysical Monograph Series, Page 229-246., 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.
Alexander J. Dickson   +2 more
wiley  

+6 more sources

LEROYI: A NEW TETHYAN LAGENID BENTHIC FORAMINIFERAL GENUS [PDF]

open access: yesEarth Sciences Pakistan, 2020
Leroyi n. gen., is introduced to include the Cretaceous-Neogene (predominantly Maastrichtian-Eocene) benthic Lagenid foraminiferids from many Tethyan localities that characterized by its slightly coiled early portion of the smooth test, later slightly ...
Haidar Salim Anan
doaj   +1 more source

Cetotheriidae (Cetacea, Mysticeti) from the Collections of the National Geological Museum, Bucharest (Romania)

open access: yesZoodiversity, 2023
Cetacean fossil remains attributed to Cetotheriidae are certainly not a novelty in the fossil record of the Carpathian Foreland or Foredeep, several sites being mentioned; however there remains much material in institutional collections that can still ...
B.-A. Torcărescu
doaj   +1 more source

First phylogenetic analysis of the Miocene armadillo Vetelia reveals novel affinities with Tolypeutinae [PDF]

open access: yesActa Palaeontologica Polonica, 2021
Vetelia is a Miocene genus of armadillos from Argentina and Chile, traditionally included within the subfamily Euphractinae (Chlamyphoridae, Cingulata, Xenarthra).
Daniel Barasoain   +5 more
doaj   +1 more source

The Volcanic History of the UNESCO Global Geopark Bohemian Paradise [PDF]

open access: yesGeoconservation Research, 2023
Central Europe and the area of the UNESCO Global Geopark Bohemian Paradise have been affected by global tectonic events, especially during the last 500 million years. Volcanic phenomena are the most striking traces today of such past tectonic events.
Vaclav Mencl   +2 more
doaj   +1 more source

New evidence for the antiquity of Desmostylus (Desmostylia) from the Skooner Gulch Formation of California

open access: yesRoyal Society Open Science, 2023
Desmostylus is an extinct marine mammal genus that belongs to Desmostylia, a clade of extinct herbivorous mammals. While desmostylian remains are widely reported from Paleogene and Neogene marine strata of the North Pacific Rim, occurrences of the genus ...
Kumiko Matsui, Nicholas D. Pyenson
doaj   +1 more source

The early Miocene lake of Foieta la Sarra-A in eastern Iberian Peninsula and its relevance for the reconstruction of the Ribesalbes–Alcora Basin palaeoecology [PDF]

open access: yesActa Palaeontologica Polonica, 2021
The Ribesalbes–Alcora Basin (Castelló Province, Spain) contains two lower Miocene units that are rich in fossils. The Unit B contains oil-shale and laminated bituminous dolomicrite related to a palaeolake, whereas the Unit C is composed of sandstone and ...
Sergio Álvarez-Parra   +6 more
doaj   +1 more source

PALEONTOLOGY AND PALEOGEOGRAPHY OF THE TETHYIAN AGGLUTINATED BENTHIC FORAMINIFERAL SPECIES OF THE GENUS SPIROPLECTINELLA [PDF]

open access: yesGeological Behavior, 2022
Thirty three small diagnostic benthic foraminiferal species of the Textulariid genus Spiroplectinella are common in the Late Cretaceous-Neogene rocks from many Tethyan localities: North Atlantic (USA, Mexico, Caribbean), South America (Brazil, Argentina,
Haidar Salim Anan
doaj   +1 more source

The karst and palaeokarst of North and North-East Greenland – physical records of cryptic geological intervals

open access: yesGEUS Bulletin, 2022
Carbonate rocks of Neoproterozoic to Silurian age are abundantly distributed around the coasts of North and North-East Greenland. Palaeokarst horizons are particularly well developed within the Portfjeld Formation (Ediacaran – earliest Cambrian) and ...
M. Paul Smith, Gina E. Moseley
doaj   +1 more source

The paleoecology of the Late Miocene mammals from the Optima Local Fauna of Oklahoma, USA [PDF]

open access: yesActa Palaeontologica Polonica, 2022
The Optima Local Fauna represents an important glimpse into the ecological transition between savannah and grassland during the late Miocene (Hemphillian) of what is now the southcentral Great Plains of North America.
JOSEPH A. FREDERICKSON   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy