Results 21 to 30 of about 67,943 (302)

Reassessment of amber-bearing deposits of Provence, southeastern France

open access: yesBSGF - Earth Sciences Bulletin, 2021
The presence of “geological” amber (or “succin” in old French monographs) has been reported for several centuries in the Mesozoic deposits of Provence, southeastern France.
Saint Martin Jean-Paul   +9 more
doaj   +1 more source

Protein and chitin preservation in polymeric sheets in Miocene Ecphora gardnerae shells from Maryland, USA [PDF]

open access: yesActa Palaeontologica Polonica
The shells of muricoid gastropod Ecphora gardnerae from the Miocene St. Marys Formation of Maryland, USA, have been shown to contain polymeric sheets within the calcareous matrix. These membranes were found to have amino acids and complex sugar compounds.
Timothy P. Cleland   +5 more
doaj   +1 more source

Geochemistry and petrogenesis of mafic and intermediate dyke swarms in eastern Tafresh (Urumieh-Dokhtar magmatic belt) [PDF]

open access: yesپترولوژی
IntroductionThe Urumieh-Dokhtar magmatic belt is one of the most active magmatic regions of Iran during the Cenozoic era. There are differing views regarding the tectonomagmatic setting of this magmatism; some attribute it to active continental margin ...
Ahmadreza Ahmadi, Behnaz Hosseini
doaj   +1 more source

Tracking a “Prehistoric Pompeii” , Rhinoland and Crocodilia: New Discoveries And Interpretations Of Ipolytarnóc (N Hungary) Lower Miocene Track Site [PDF]

open access: yesGeoconservation Research, 2021
The transnational Novohrad-Nógrád Geopark situated in Northern Hungary and Southern Slovakia has several important Neogene fossil sites developed for geotourism. One of them is the lower Miocene paleontological locality complex at Ipolytarnóc , which has
Laszlo Kordos   +2 more
doaj   +1 more source

Early Miocene (Burdigalian) Gastropod Faunas of Vareh Zard section, North of Pole-Dokhtar, (Lorestan, Iran) [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2014
A total 7 species and 13 genera of marine gastropod assemblages are reported for the first time from the Varehh Zard section (Asmari Formation), north of Pole Dokhtar, Lorestan Basin.
I. Maghfouri Moghaddam
doaj  

Unusual lizard fossil from the Miocene of Nebraska and a minimum age for cnemidophorine teiids [PDF]

open access: yesRoyal Society Open Science, 2020
Teiid lizards are well represented in the fossil record and are common components of modern ecosystems in North and South America. Many fossils were referred to the cnemidophorine teiid group (whiptails, racerunners and relatives), particularly from ...
Simon G. Scarpetta
doaj   +1 more source

Morotochoerus de Uganda (17.5 Ma) y Kenyapotamus de Kenia (13-11 Ma): implicaciones sobre el origen de los hipopotámidos

open access: yesEstudios Geologicos, 2011
El objetivo de este trabajo es describir e interpretar los dientes suiformes de Moroto, Uganda, y Ngorora, Kenia, que contribuyen al debate sobre las relaciones hipo-anthracothere-whale.
M. Pickford
doaj   +1 more source

Cranial Material of Long-Snouted Dolphins (Cetacea, Odontoceti, Eurhinodelphinidae) from the Early Miocene of Rosignano Monferrato, Piedmont (NW Italy): Anatomy, Paleoneurology, Phylogenetic Relationships and Paleobiogeography

open access: yesDiversity, 2023
We provide a new study of previously published eurhinodelphinid materials from the early Miocene of Piedmont (NW Italy) based on a new preparation of the fossil specimens. We studied specimens previously assigned to Tursiops miocaenus and Dalpiazella sp.
Vera Tosetto   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy