Results 211 to 220 of about 7,296 (255)

Olcostephanidae (Ammonoidea) from the upper Valanginian Taraises Formation (Durango State, Mexico)

Cretaceous Research, 2014
Abstract In this work we study Hoplites symonensis Bose, 1923 which was previously assigned to various species, some of which were considered as new taxa. Bose defined two taxa using the specific name of symonensis which can be assigned to the genus Olcostephanus.
Celestina González-Arreola, Ricardo Barragán, Josep Anton Moreno-Bedmar   +2 more
openaire   +1 more source

Upper Berriasian– Valanginian algae

2007
Described locality is typical for Humiella delmatarum (SOKAČ & VELIĆ, 1981), the identity of which compared to the later described Humiella sardiniensis (OTT & FLAVIANI) is still questionable due to the few and poorly preserved cross sections. Also Humiella catanaeformis (RADOIČIĆ), Humiella sardiniensis (OTT & FLAVIANI) (?
openaire  

Early Valanginian unconformities in Central Atlantic and Western Mediterranean areas

Géologie Méditerranéenne, 1994
Granier B. Early Valanginian unconformities in Central Atlantic and Western Mediterranean areas. In: Géologie Méditerranéenne. Tome 21, numéro 3-4, 1994. Perimediterranean carbonate platforms. First International Meeting. Marseille – France (5-8 septembre 1994) sous la direction de Jean-Pierre Masse. pp. 81-85.
openaire   +2 more sources

Late Valanginian sponge spicules from north-eastern Sardinia (Italy)

Cretaceous Research, 2022
Magdalena Łukowiak, Iginio Dieni, Paulian Dumitrica, Francesco Massari   +3 more
openaire   +1 more source

Magnetostratigraphy and Biostratigraphy of the Valanginian in the Crimean Mountains

2019
Preliminary results of the study aiming to construct a magnetostratigraphic scheme of the Valanginian of the Crimean Mountains are presented. Paleomagnetic and petromagnetic data were obtained on oriented samples taken from 363 stratigraphic levels of 10 sections in East and Southwest Crimea.
V. A. Grishchenko, A. G. Manikin, Yu. N. Savelieva, A. A. Feodorova   +3 more
openaire   +1 more source

Formation History of the Valanginian Deposits, Southwestern and Central Crimea

Stratigraphy and Geological Correlation, 2022
K. A. Dubkova, S. B. Shishlov, A. B. Kuznetsov, F. A. Tricolidi   +3 more
openaire   +1 more source

Valanginian, adj.

2023
openaire   +1 more source

Biostratigraphy of the Valanginian in Sverdrup Basin, District of Franklin

1977
A sequence of Valanginian rocks was studied in the part of the depocentre of the Sverdrup Basin, now occupied by Amund Ringnes and Ellef Ringnes islands. The about 500 m thick Valanginian sequence is represented mostly by the upper part of the Deer Bay Formation.
openaire   +1 more source

The Valanginian to Aptian stages - current definitions and outstanding problems

1982
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Valanginian Subalkaline Magmatism of the Rassokha and Argatass Terranes (Northeastern Russia)

Doklady Earth Sciences, 2021
S. N. Sychev, O. Yu. Lebedeva, A. K. Khudoley, S. D. Sokolov, A. V. Rogov, V. S. Maklashin, P. A. Lvov   +6 more
openaire   +1 more source