Results 31 to 40 of about 12,001 (167)

Structure and formation of the Lower Cretaceous–Eocene section in the central part of the Simferopol Uplift

Учёные записки Казанского университета: Серия Естественные науки, 2022
This article provides the first detailed description of the 25-m thick Cretaceous–Eocene section near the Mazanka village and its stratigraphic subdivision.
K.A. Dubkova, S.B. Shishlov, E.M. Bugrova, E.Yu. Zakrevskaya   +3 more
doaj   +1 more source

Lower Cretaceous rocks of Sierra Los Chinos, east-central Sonora, Mexico [PDF]

Geofísica Internacional, 2000
Most Lower Cretaceous rocks in Sonora are part of the Bisbee Group of southern Arizona, deposited within a basin considered to be an extension of the Gulf of Mexico into Texas, New Mexico, Arizona and Sonora.
José F. Longoria, Rogelio Monreal
doaj  

Yuruma Formation (Barremian - lower Aptian?) In the Yuruma hill and Punta Espada, Alta Guajira, Uribia, Colombia

Boletín Geológico, 2021
The Yuruma Formation in the Yuruma hill area its type locality can be differentiated into two stratigraphic intervals. The lower and upper intervals of the Yuruma Formation can also be subdivided into two segments.
Pedro Patarroyo
doaj   +1 more source

The reinstated identity of agglutinated foraminifer Campanellula capuensis from the Lower Cretaceous of southern Italy by means of a 3D model investigation

Acta Palaeontologica Polonica, 2023
Campanellula capuensis was described as belonging to the Trochamminacea (trochospiral tests) and later transferred to the genus Orbitolinopsis of the Orbitolinidae (uniserial tests).
FELIX SCHLAGINTWEIT, SABRINA AMODIO, FILIPPO BARATTOLO, MICHEL SEPTFONTAINE   +3 more
doaj   +1 more source

Nikolay Ivanovitch Karakash - an outstanding scientist-naturalist

Известия высших учебных заведений: Геология и разведка, 2015
The 2016 year is a year of the 100th anniversary of the death of the outstanding Russian geologist and paleontologist, one of the first investigators of Cretaceous deposits of Crimea and Caucasus, Nikolay Ivanovitch Karakash.
V. N. Komarov
doaj   +1 more source

Calcareous nannofossils, biostratigraphy, and paleobiogeography of the Aptian/Albian Romualdo Formation in the Araripe Basin, North-Eastern Brazil

Brazilian Journal of Geology, 2023
The objectives of this study were the biostratigraphic and paleobiogeographic interpretations of the calcareous nannofossil records of the Romualdo Formation (Aptian-Albian) in the south-central portion of the Araripe Basin.
Flávia Azevedo Pedrosa Lemos, Yumi Asakura, Rogério Loureiro Antunes, Rilda Verônica Cardoso de Araripe, Ludmila Alves Cadeira do Prado, Maria Emilia Travassos Rio Tomé, David Holanda de Oliveira, Luiz Ricardo Silva Lobo do Nascimento, Christiano Ng, Alcina Magnólia Franca Barreto   +9 more
doaj   +1 more source

The Lower Cretaceous Deposits of Maryland [PDF]

Science, 1912
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openaire   +1 more source

Petrological and Geochemical Constraints on the Origin of Early Cretaceous Volcanic Rocks in the Central‐East Asia: Implications for Crustal Growth and Evolution

Geochemistry, Geophysics, Geosystems, 2018
New petrological and geochemical data for Early Cretaceous volcanic rocks in the North China Craton (NCC) combined with published data of cotemporaneous volcanic rocks in the NCC and eastern Central Asian Orogenic Belt (ECAOB) are used to understand ...
Sheng‐Ping Qian, Zhong‐Yuan Ren, Le Zhang, Lei Zhang, Ya‐Dong Wu, Sheng‐Wang Mei, Xiao‐Bo Xu, Qing‐Chen Luo   +7 more
doaj   +1 more source

Conditions of formation and forecast of natural reservoirs in clinoform complex of the Lower Cretaceous of the Barents-Kara shelf

Georesursy, 2019
Unique Leningradsky and Rusanovsky gascondensate fields in the Barrem-Cenomanian layer are discovered in the Kara Sea. Non-industrial accumulations of oil and gas have been discovered in the Lower Cretaceous sediments of the western part of the Barents ...
A.V. Mordasova, A.B. Stoupakova, A.A. Suslova, D.K. Ershova, S.A. Sidorenko   +4 more
doaj   +1 more source

Late Barremian-Early Aptian Ammonites from the Tirgan Formation, Kopet-Dagh Sedimentary Basin, NE Iran [PDF]

Journal of Sciences, Islamic Republic of Iran, 2019
During the recent field research on the Tirgan Formation in the west of Kopet-Dagh sedimentary basin, ammonite assemblages were obtained from the carbonate strata of this formation. This new finding is important for stratigraphical purpose.
Morteza Taherpour Khalil Abad, Seyed Hamid Vaziri, Masoumeh Molaei, Seyed Naser Raisossadat   +3 more
doaj   +1 more source