Results 51 to 60 of about 23,167 (204)

Some issues related to the Svalbardian tectonic event (Ellesmerian Orogeny) in Svalbard

Polar Research
Svalbard has long been thought to represent the easternmost realm of the Ellesmerian Orogeny in the late Devonian or early Mississippian (Svalbardian tectonic event).
Winfried Dallmann, Karsten Piepjohn
doaj   +1 more source

About the structure of the Kama-Kinel trough system

Известия высших учебных заведений: Геология и разведка, 2019
Kama-Kinel Trough System (KKTS) — the structure formed in the Frasnian of the Late Devonian in the vast territory of the Volga-Ural province, is distinguished by the Upper Devonian — Lower Carboniferous deposits.
E. N. Gorozhanina, V. M. Gorozhanin, D. E. Zagranovskaya, O. A. Zakharova   +3 more
doaj   +1 more source

Pre-Variscan palaeogeographical structures in the Cantabrian Zone, Spain: some critical considerations regarding their origin, location and significance

Geologos, 2023
An update of the main Devonian pre-Variscan palaeogeographical features of the southern Cantabrian Zone is presented. The approximal locations of these features are recorded in sections studied, with thin, incomplete developments for the highs and thick ...
van Loevezijn Gerard B.S.
doaj   +1 more source

Determining impact angle from the spatial distribution of shock metamorphism: A case study of the Gosses Bluff (Tnorala) impact structure, Australia

Meteoritics &Planetary Science, EarlyView.
Abstract The majority of planetary impacts occur at oblique angles. Impact structures on Earth are commonly eroded or buried, rendering the identification of the direction and angle of impact—using methods such as asymmetries in ejecta distribution, surface topographic expression, central uplift structure, and geophysical anomalies—challenging. In this
Eloise E. Matthews, Auriol S. P. Rae, Thomas Kenkmann, Nicholas E. Timms, Aaron J. Cavosie, Marian B. Holness   +5 more
wiley   +1 more source

Transfer cells in Horneophyton lignieri illuminate the origin of vascular tissues in land plants

New Phytologist, EarlyView.
Summary Recent fossil discoveries and advances in plant phylogeny have renewed debate about the most recent common ancestor (MRCA) of land plants and the evolution of its fundamental organs and tissues. We re‐investigate the vascular system of Horneophyton lignieri, an exceptionally preserved Rhynie Chert fossil central to understanding early plant ...
Paul Kenrick, Emma J. Long
wiley   +1 more source

Treating to Target in Hidradenitis Suppurativa: Canadian Perspectives

JEADV Clinical Practice, EarlyView.
Wayne Gulliver, Irina Turchin, Tracey Brown‐Maher, Marni Wiseman, Lauren Lam, Jessica Asgarpour, Raed Alhusayen   +6 more
wiley   +1 more source

Sedimentation model of the middle Devonian clastic succession of the South Tatar Arch, Pashyian Regional stage, Volga-Ural Oil and Gas Province, Russia

Georesursy
The Pashyian Regional stage (horizon) is the main productive unit of the middle Devonian clastic succession of the South Tatar arch. This article presents, for the first time, maps of the lower and upper parts of the Pashyian, including data on sand ...
V. V. Silantiev, M. F. Validov, D. N. Miftakhutdinova, V. P. Morozov, B. G. Ganiev, A. A. Lutfullin, K. D. Shumatbaev, R. M. Khabipov, N. G. Nurgalieva, Z. A. Tolokonnikova, E. A. Korolev, V. A. Sudakov, A. V. Smirnova, K. A. Golod, A. A. Leontiev, R. R. Shamsiev, M. V. Noykin, V. E. Kosarev, D. A. Nikonorova, R. F. Akhmetov   +19 more
doaj   +1 more source

Modeling of Salt Tectogenesis in Connection With the Choice of the Main Directions for the Search For Hydrocarbon Deposits and Hydromineral Raw Materials Within the Kempendyai Depression (South-East оf the Siberian Platform)

Georesursy
A brief description of the geological structure of the sedimentary cover within the Kempendyai depression is given, in which two intervals of formation of unstable layers in the Cambrian and Devonian are distinguished, and their salt saturation is ...
B. V. Lunev, I. A. Gubin, V. V. Lapkovsky, R. V. Marinov   +3 more
doaj   +1 more source

Strontium Isotope Stratigraphy of the Middle–Upper Devonian: Data for the Conodonts from the Central Part of the Volga–Ural Petroleum Province

Georesursy
This study presents the first 87Sr/86Sr isotope data for the Middle–Upper Devonian strata of the central part of the Volga–Ural petroleum province, which are based on ramiform conodont elements.
D. K. Nurgaliev, G. M. Sungatullina, N. G. Nourgalieva, V. V. Silantiev, A. V. Zhuravlev, A. V. Chugaev, D. N. Miftakhutdinova, Y. V. Goltsman, B. I. Gareev   +8 more
doaj   +1 more source

Morphometric variance, evolutionary constraints and their change through time in Late Devonian Palmatolepis conodonts

, 2021
Sabrina Renaud, Catherine Girard, Anne‐Béatrice Dufour   +2 more
openalex   +2 more sources