Results 21 to 30 of about 10,012 (242)

New records from Banks Island expand the diversity of Eocene fishes from Canada’s western Arctic Greenhouse

open access: yesArctic Science, 2018
Eocene vertebrates from the Canadian Arctic, including sharks, bony fishes, turtles, crocodylians, birds, and mammals, have provided strong evidence for relatively warm ice-free conditions in the Arctic during the Eocene Greenhouse interval.
Michael D. Gottfried, Jaelyn J. Eberle
doaj   +1 more source

ADDITIONAL GEOGRAPHIC RECORD OF TURBOROTALIA SEMICUNIALENSIS ANAN AROUND ARABIA [PDF]

open access: yesScience Heritage Journal
The Late Eocene planktic foraminiferal species Turborotalia semicunialensis Anan was recorded originally from the United Arab Emirates (UAE), and later in two localities around the Arabia in the Southern Tethys: India (east of UAE) and Egypt (west of UAE)
Haidar Salim Anan
doaj   +1 more source

Distribution of sedimentary system multi-controlled by palaeo-geomorphology, water system and break during the deposition of Pinghu Formation, Baochu slope belt, Xihu Sag, East China Sea Shelf Basin

open access: yesShiyou shiyan dizhi, 2022
The Xihu Sag has huge exploration potential and is the main target for oil and gas exploration in the East China Sea Shelf Basin. At present, it has been known that the Xihu Sag has a transitional facies with sedimentary system mainly composed of tidal ...
Donghui JIANG   +3 more
doaj   +1 more source

The oldest diving anseriform bird from the late Eocene of Kazakhstan and the evolution of aquatic adaptations in the intertarsal joint of waterfowl [PDF]

open access: yesActa Palaeontologica Polonica, 2020
A specialized diving lifestyle has repeatedly evolved in several lineages of modern and fossil waterfowl (Anseriformes), with the oldest previously known representative being the late Oligocene Australian oxyurine ducks Pinpanetta.
Nikita Zelenkov
doaj   +1 more source

Shallow-water late middle Eocene crinoids from Tierra del Fuego: a new southern record of a retrograde community structure

open access: yesScientia Marina, 2005
One of the very few crinoid records in Patagonia is that of the abundant columnals of the genus Isselicrinus found in several localities in shallow marine, glauconitic sandstones of the Leticia Formation (upper middle Eocene of Tierra del Fuego Island ...
Norberto Malumián, Eduardo B. Olivero
doaj   +1 more source

Mineralogy of anorthosite veins and host gabbros in the Kal-e-Kafi intrusive body (northeast of Anarak, Isfahan Province, Central Iran)

open access: yesJournal of Economic Geology, 2022
Introduction In the northeastern part of the Isfahan province and 65 km northeast of the Anarak city (Kal-e-Kafi area), an I-type granitoid pluton cross cut the Paleozoic metamorphic rocks and Eocene volcanic rocks. In the contact of this granitoid body
Hanan Salim   +2 more
doaj   +1 more source

The oldest representative of the bombyliid bee fly in the earliest Eocene French amber [PDF]

open access: yesActa Palaeontologica Polonica, 2020
Eoconophorinadelfineae gen. et sp. nov., the oldest repre-sentative of the bee fly subfamily Bombyliinae, is described from the earliest Eocene Oise amber (France). It is charac-terized by the presence of mid tibial spurs, cylindrical ab-domen and
Aude Maheu, Andre Nel
doaj   +1 more source

BULIMINELLOIDES: A NEW ROTALIID BENTHIC FORAMINIFERAL GENUS [PDF]

open access: yesActa Scientifica Malaysia
This study describes a new Eocene Rotaliid genus Buliminelloides from Alano section, NE Italy. It is characterized by an elongate subcylindrical triserial perforate calcareous test, chambers regularly triserial throughout, while the final chambers may ...
Haidar Salim Anan
doaj   +1 more source

Organic matter characteristics of Eocene source rocks with different lithologies in Baiyun Sag of Pearl River Mouth Basin and their geological significance

open access: yesShiyou shiyan dizhi
In the deep-water area of the Zhu Ⅱ Depression of the Pearl River Mouth Basin, the Baiyun Sag develops three types of source rocks: mudstone, carbonaceous mudstone, and coal.
Yue CHEN   +5 more
doaj   +1 more source

An analytical comparison of two commercial consolidating products applied to eocene sandstones from 16th and 19th century monuments in San Sehastián, northern Spain

open access: yesMateriales de Construccion, 2002
The conservation of buildings in the Basque Country made of Eocene sandstone is somewhat problematical, because this type of rock is relatively unstable.
F. García-Garmilla   +6 more
doaj   +1 more source

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