Results 91 to 100 of about 2,421 (198)
Abstract The Ames impact structure (Oklahoma) is thought to have formed during the Ordovician Meteor Event, based on conodont biostratigraphy of its crater fill. Here, U–Pb zircon dates from its impact‐melt portion, conducted using secondary ion mass spectrometry and laser ablation–inductively coupled plasma–mass spectrometry (n = 37 spots), yield a ...
Elizabeth J. Catlos +9 more
wiley +1 more source
Geochemical Evidence of First Forestation in the Southernmost Euramerica from Upper Devonian (Famennian) Black Shales. [PDF]
Lu M +8 more
europepmc +1 more source
The arm of the present paper is to evaluate the significance of species from genus Nikiforovella for stratigraphy of Devonian-Carboniferous boundary from different regions of Eurasia.
Zoya A. Tolokonnikova
doaj
First Record of Soft Tissue Preservation in the Upper Devonian of Poland. [PDF]
Zatoń M, Broda K.
europepmc +1 more source
Some features of composition and genesis of terrigenous rocks of kolganskaya strata
The article is about Upper Devonian kolganskaya strata formed in delta front. Gamma-active benchs presented by clay deposits, were marked at the bottom of the kolganskaya strata, and its may be a good cap-rocks for the lower-lying rocks.
N V Pavlinova, V M Usova
doaj
Stratigraphic palynology of Devonian boreholes from northern Saudi Arabia
This extended abstract describes well-preserved palynomorph assemblages recovered from Devonian strata in five shallow boreholes in the northern part of Saudi Arabia.
Breuer Pierre +5 more
doaj
In situ forest with lycopsid trees bearing lobed rhizomorphs from the Upper Devonian of Lincheng, China. [PDF]
Qin M, Wang D, Liu L, Liu L, Zhou Y.
europepmc +1 more source
Fish/tetrapod Communities in the Upper Devonian
Vertebrate communities including tetrapods and fishes are known from a limited number of LateDevonian localities from several areas worldwide. These localities encompass a wide variety ofenvironments, from true marine conditions of the near shore neritic province, to fluvial or lacustrineconditions.
openaire +1 more source

