Results 31 to 40 of about 34,987 (228)

Saheb Granitoid Batholith, North of Kurdistan: An Evidence of Cretaceous- Paleocene Magmatism in the Sanandaj-Sirjan Zone

open access: yesJournal of Economic Geology, 2020
Introduction The Iranian plateau is part of the Alpine-Himalayan orogenic belt, which consists of several continental fragments separated from each other by major boundary faults and/or ophiolitic suture zones (Gansser, 1981).
Farid Abdollahi   +4 more
doaj   +1 more source

Paleocene orthophragminids from the Lakadong Limestone, Mawmluh Quarry section, Meghalaya (Shillong, NE India). Implications for the regional geology and paleobiogeography [PDF]

open access: yes, 2018
The late Paleocene orthophragminids, hitherto poorly known from the Himalayan foreland basins, are studied from the Lakadong Limestone in Meghalaya, northeastern India, in order to establish a systematic, biostratigraphic, and paleobiogeographical ...
Barattolo, Filippo   +6 more
core   +1 more source

Paleocen vid Klagshamn [PDF]

open access: yesGeologiska Föreningen i Stockholm Förhandlingar, 1907
n ...
Holst, N. O., Grönwall, Karl A.
openaire   +2 more sources

Asian gliriform origin for arctostylopid mammals [PDF]

open access: yes, 2006
A
A Sulimski   +28 more
core   +2 more sources

Gigantism in unique biogenic magnetite at the Paleocene-Eocene Thermal Maximum [PDF]

open access: yes, 2008
We report the discovery of exceptionally large biogenic magnetite crystals in clay-rich sediments spanning the Paleocene-Eocene Thermal Maximum (PETM) in a borehole at Ancora, New Jersey. Aside from previously-described abundant bacterial magnetofossils,
Guerquin-Kern, Jean-Luc   +12 more
core   +2 more sources

Calcareous nannofossils at the upper part of Gurpi Formation and the lower part of Pabdeh Formation at Arkavaz section, south east Ilam [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
In this study the Paleocene sediments have been investigated at the upper part of Gurpi Formation and the lower part of Pabdeh Formation at Arkavaz section in southeast of Ilam.
Saeedeh Senemari
doaj   +1 more source

Taxonomy and biostratigraphy of new and emended species of Cenozoic deep-water agglutinated foraminifera from the Labrador and North Seas [PDF]

open access: yes, 1989
Deep marine, fine grained sedimentary strata of Maastrichtian through Miocene age in the Labrador and North Sea sedimentary basins are rich in agglutinated benthic foraminifera.
Gradstein, F. M., Kaminski, M. A.
core   +1 more source

UPPER CRETACEOUS-OLIGOCENE TETHYAN AGGLUTINATED BENTHIC FORAMINIFERAL SPECIES OF THE GENUS ARENOBULIMINA [PDF]

open access: yesGeological Behavior, 2023
The agglutinated test of the genus Arenobulimina has trochospirally enrolled, four or more chambers per whorl, aperture interiomarginal with a simple arch or loop, which has a comprising various species.
Haidar Salim Anan
doaj   +1 more source

Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico [PDF]

open access: yes, 2015
Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State ...
Martínez Hernández, Enrique   +2 more
core   +1 more source

Typification of the genus Zizyphoides Seward et Conway (Magnoliophyta, Trochodendraceae)

open access: yesActa Palaeobotanica, 2021
Type material of Paliurus colombii Heer, Populus arctica Heer, Hakea arctica Heer, and Hedera macclurii Heer from the Atanikerdluk locality (Paleocene, Greenland) was restudied based on the original collection, stored in the National Museum of ...
Anastasia A. Zolina   +2 more
doaj   +1 more source

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