Results 111 to 120 of about 27,665 (229)

Heavy mineral stratigraphy of the Unayzah Formation and Basal Khuff Clastics (Carboniferous to Permian) of Central Saudi Arabia [PDF]

open access: yes, 2010
A study of heavy mineral assemblages in the Unayzah Reservoir sandstones of central Saudi Arabia has identified successive changes in provenance signature.
Cocker, Joshua D.   +2 more
core  

Middle-Upper Devonian And Lower Carboniferous Miospore Assemblages From Western Desert Of Egypt

open access: yes, 1985
Important morphological features of some spore assemblages from Middle-Upper Devonian and Lower Carboniferous of Western Desert of Egypt are described. Comparing the present assemblages with those obtained from other countries, there are differences among Libyan, Algerian, Saudi Arabian and the Egyptian spore assemblages. This might be due to different
El Ghazaly, G. جمال عبد المجيد الغزالي   +1 more
openaire   +1 more source

Palynological age constraint of Les Vilelles unit, Catalan Coastal Chain, Spain

open access: yesGeologica Acta, 2015
Les Vilelles unit is a detrital sequence exposed at the southwestern margin of the Catalan Coastal Chain (CCC), NE Spain, below the Carboniferous turbiditic series.
F. GONZÁLEZ   +3 more
doaj  

Acanthodian, onychodontid and osteolepidid fish from the middle-upper Taemas Limestone (Early Devonian), Lake Burrinjuck, New South Wales

open access: yesAlcheringa: An Australasian Journal of Palaeontology, 2002
A meagre ischnacanthid acanthodian fauna, known from fragmentary dentigerous jawbones from Lake Burrinjuck, Yass district, New South Wales, consists of three taxa: Taemasacanthus narrengullenensis, Taemasacanthus cooradigbeensis and an indeterminate ischnacanthid.
openaire   +1 more source

Crustal structure beneath the Trondelag Platform and adjacent areas of the Mid-Norwegian margin, as derived from wide-angle seismic and potential field data [PDF]

open access: yes, 2010
The outer mid-Norwegian margin is characterized by strong breakup magmatism and has been extensively surveyed. The crustal structure of the inner continental shelf, however, is less studied, and its relation to the onshore geology, Caledonian structuring,
Breivik, A. J.   +5 more
core  

OIL AND GAS PROGNOSIS OF THE OF MIDDLE- AND UPPER JURASSIC CARBONATE STRATA OF THE NORTH-WESTERN PART BLACK SEA AND ADJACENT AREA ACCORDING TO THE SEDIMENTARY-PALEOGEOMORPHOLOGICAL CRITERIA

open access: yesГеологія і корисні копалини Світового океану, 2019
The studies carried out in the revealed the possibility of wide spread of various morphogenetic types of hydrocarbon traps associated with the carbonate rock bodies.
Oleksii Naumenko   +3 more
doaj   +1 more source

The new and reinstated genera of agglutinated foraminifera published between 1986 and 1996 [PDF]

open access: yes, 2001
In the 10 years following the publication of "Foraminiferal Genera and their Classification" by Loeblich & Tappan (1987), some 91 new genera of agglutinated foraminifera have been proposed by various authors.
Kaminski, M.A.
core  

PRESENZA Dl TREMADOCIANO AD ACRITARCHI IN UNITA' TETTONICHE ERCINICHE A SUD DEL LAGO Dl MULARGIA (SARDEGNA CENTRALE)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2020
The activity of the first Hercynian tectonic phase is documented in the Lake Mulargia area (central Sardinia) by the presence of numerous tectonic units.
SEBASTIANO BARCA   +3 more
doaj  

Evaluation of existing knowledge of the tectonic history and lithospheric structure of South America [PDF]

open access: yes
While data is available on the lithospheric and crustal structure of the Andes region of South America, there is limited knowledge of these aspects of the eastern portion of the continent.
Keller, G. R., Lidiak, E. G.
core   +1 more source

Recent Advances in Palynology

open access: yesCarnets de Géologie, 2007
A set of 11 abstracts and short papers (extended abstracts) of presentations given at a meeting organized by the NFSR Working Group, "Micropaléontologie végétale et Palynologie (MVP)", held on May 24, 2006 at the University of Liège, Belgium.
Javaux Emmanuelle, Steemans Philippe
doaj  

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