Results 1 to 10 of about 70,995 (337)

Evolutionary morphogenesis of the Late Paleozoic bryozoans from the genus Shulgapora Termier & Termier, 1971

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2022
Bryozoans of the genus Shulgapora Termier & Termier, 1971 (Fenestrata) are known form the Middle Carboniferous–Middle Permian of Eurasia, Australia, and North America.
Z.A. Tolokonnikova, A.A. Ischenko
doaj   +1 more source

Palaeontological And Geological Highlights Of The Black Country UNESCO Global Geopark [PDF]

open access: yesGeoconservation Research, 2021
The Black Country UNESCO Global Geopark, located in central England, joined the Global Geopark Network in July 2020. It is the most urban Geopark in the network with a population of approximately 1.1 million people.
Graham Worton   +2 more
doaj   +1 more source

Early Carboniferous Ostracods (Crustacea) from Death Valley, California, USA

open access: yesGeosciences, 2022
Silicified ostracods from the Tin Mountain Limestone provide new information regarding the Carboniferous paleontology of the Death Valley Region, California, USA. Acid maceration of marine limestones yielded the following ostracods: Acratia spp., Bairdia
Mark A. S. McMenamin
doaj   +1 more source

Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada [PDF]

open access: yesActa Palaeontologica Polonica, 2021
Colonial Rugosa and Tabulata from the lower and middle Viséan Flett Formation of the Liard Basin (Canada) are described. Michelinia expansa is the first tabulate coral described from the Flett Formation. The new generic name Cordilleria is introduced for
Jerzy Fedorowski   +2 more
doaj   +1 more source

The factors influencing the enrichment of organic matters in the Carboniferous source rocks, Ounan depression, eastern Qaidam basin

open access: yesDizhi lixue xuebao, 2022
The Ounan depression is a favorable structural unit for the Carboniferous hydrocarbon migration and accumulation, which demonstrates certain exploration potential.
SHI Hui   +7 more
doaj   +1 more source

Carbonodraco lundi gen et sp. nov., the oldest parareptile, from Linton, Ohio, and new insights into the early radiation of reptiles [PDF]

open access: yesRoyal Society Open Science, 2019
Redescription of the holotype specimen of Cephalerpeton ventriarmatum Moodie, 1912, from the Middle Pennsylvanian (Moscovian) Francis Creek Shale of Mazon Creek, Illinois, confirms that it is a basal eureptile with close postcranial similarities to other
Arjan Mann   +3 more
doaj   +1 more source

Bashkirian rugose corals from the Carboniferous Mattson Formation in the Liard Basin, northwest Canada—stratigraphic and paleobiogeographic implications [PDF]

open access: yesActa Palaeontologica Polonica, 2019
Colonies of the rugose corals Nemistium liardense sp. nov. and Heritschioides simplex sp. nov. were collected from limestone in the upper member of the Mattson Formation in the Liard Range in the Northwest Territories and are the only known identifiable ...
Jerzy Fedorowski   +2 more
doaj   +1 more source

The geology of carbonaceous deposits (Carboniferous) of the South Urals (Fedorovskaya sequence, Sukharysh syncline)

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
The geological structure of coal formations of the Sukharysh syncline, which is located in the Kopeysk-Bredy subzone of the Alapaevsk-Adamovka structural-formational zone, was studied.
A.V. Snachev
doaj   +1 more source

Hydrocarbon generation and evolution characteristics of Carboniferous source rocks on the northeastern margin of the Junggar Basin and its petroleum geological significance

open access: yesShiyou shiyan dizhi, 2023
Various types of source rocks were developed in the Carboniferous trench-arc basin environment on the northeastern margin of the Junggar Basin. In order to implement the efficient hydrocarbon supply area of the main source rocks and guide the oil and gas
Shengzhu WANG   +6 more
doaj   +1 more source

New finds of the Carboniferous cephalopods on the territory of Ukraine

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. Екологія, 2021
Formulation of the problem. Carboniferous sediments are widespread in Ukraine. Cephalopods remains are not rare in these deposits. However, they are poorly studied.
Vitaly Dernov
doaj   +1 more source

Home - About - Disclaimer - Privacy