Results 11 to 20 of about 16,066 (225)

The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces

open access: yesGeophysical Monograph Series, Page 229-246., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson   +2 more
wiley  

+4 more sources

CHEMICAL COMPOSITION OF THE MINERAL MATTER OF THE ATTARAT UM GHUDRAN OIL SHALE, CENTRAL JORDAN; pp. 18–30 [PDF]

open access: yesOil Shale, 2016
The concession area of the Jordan Oil Shale Energy Co (JOSE) is located in the southern border zone of the Attarat Um Ghudran deposit, next to the Wadi Maghara deposit, both consisting of marinite type oil shale (OS).
VÄINO PUURA   +4 more
doaj   +1 more source

PETROGRAPHY AND MINERALOGY OF THE ATTARAT UM GHUDRAN OIL SHALE, CENTRAL JORDAN; pp. 110–128 [PDF]

open access: yesOil Shale, 2017
In the authors’ recent papers on oil shale chemical composition and geochemical variability, as well natural gamma radiation, the sig­nificantly variable layered lithological structure of the up to 90 m thick oil shale (OS) unit of the Muwaqqar Chalk ...
MARE KONSA   +4 more
doaj   +1 more source

MICRO-BIOSTRATIGRAPHY OF SOME UPPER CRETACEOUS SUCCESSIONS IN THE EASTERN DESERT, EGYPT [PDF]

open access: yesDelta Journal of Science, 2006
This paper deals with the biostratigraphic significance of nannofossil species recorded from some Maastrichtian rocks in the Eastern Desert, Upper Egypt.
Ahmed Sami El-Dawoody
doaj   +1 more source

Systematic and biostratigraphic evaluation of the Late Cretaceous benthic foraminiferal assemblages of southeastern Batman

open access: yesBulletin of the Mineral Research and Exploration, 2021
The study area is located in 15 km west of Gercüş town (southeast of Batman) at the northern margin of the Arabian Plate. This region is the only place where Garzan formation, one of the important petroleum reservoir of the Southeastern Anatolia ...
Derya Sinanoğlu
doaj   +1 more source

A latest Cretaceous to earliest Paleogene dinoflagellate cyst zonation of Antarctica, and implications for phytoprovincialism in the high southern latitudes [PDF]

open access: yes, 2012
The thickest uppermost Cretaceous to lowermost Paleogene (Maastrichtian to Danian) sedimentary succession in the world is exposed on southern Seymour Island (65° South) in the James Ross Basin, Antarctic Peninsula.
Bowman, Vanessa C.   +4 more
core   +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

Morphology and anatomy of the angiosperm fruit Baccatocarpon, incertae sedis, from the Maastrichtian Deccan Intertrappean Beds of India

open access: yesActa Palaeobotanica, 2019
Distinctive permineralized fruits of Baccatocarpon mohgaoense (Paradkar & Dixit) comb. nov. have been collected from several sites in the late Maastrichtian of the Deccan Intertrappean beds of Central India.
STEVEN R. MANCHESTER   +4 more
doaj   +1 more source

Biostratigraphic Study of the Gurpi Formation Based on Planktonic Foraminifera In Lar Area (Kuh-e-kurdeh Section) [PDF]

open access: yes, 2009
The study of planktonic foraminifera of the Gurpi formations at Lar area (Kuh-e-kurdeh section) enables me to find the most standard biozones defined in mediterranean regions, especially Tethysian domain. Five biozones were determined.
Ali Mandanizadeh   +2 more
core   +2 more sources

Pararhabdodon Isonensis and Tsintaosaurus Spinorhinus: A New Clade of Lambeosaurine Hadrosaurids from Eurasia [PDF]

open access: yes, 2009
We present new anatomical information showing that Koutalisaurus kohlerorum, from the Maastrichtian of Lleida Province, northeastern Spain, is most probably the junior synonym of Pararhabdodon isonensis from the same region.
Prieto-Marquez, Aalbert   +1 more
core   +1 more source

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