Results 81 to 90 of about 5,162 (241)
Rivista Italiana di Paleontologia e Stratigrafia, 2007 Diverse and well preserved palynofloras were recognized in the Lower Cretaceous succession penetrated by well Siqeifa 1-X in northern Egypt. Dinoflagellate cysts such as Subtilisphaera senegalensis was regarded, with the spores Impardecispora ...
MAGDY S. MAHMOUD, AMR S. DEAF
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Iranella inopinata Gollestaneh 1965, a puzzling dasycladalean alga from the Lower Cretaceous shallow carbonate shelf deposits of the Zagros fold-thrust belt, SW Iran [PDF]
, 2018 Iranella inopinata gen. and sp. nov. was first described in the unpublished thesis of Gollestaneh (1965), as an incertae sedis from the Lower Cretaceous carbonate rocks of the Zagros fold-thrust belt.
Conrad, Marc +2 more
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The Depositional Record, Volume 11, Issue 3, Page 917-953, June 2025.Some layers of limestone produce some hydrocarbons, and these hydrocarbons are removed from the fractures and cracks of the rock. The organic matter (OM) contained in the limestone is a mixture of terrestrial and marine OM and is thermally immature and mature.
Çiğdem Saydam Eker +2 more
wiley +1 more source
BSGF - Earth Sciences Bulletin, 2017 The Tithonian-Berriasian interval in the southern part of the Neuquén Basin is represented by the Vaca Muerta and the Picún Leufú Formations. Facies analysis and correlation of the Vaca Muerta Formation and the lower part of the Picún Leufú Formation in ...
Krim Nesma +8 more
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Ammonoidea from the Lower D beds (Berriasian) of the Speeton Clay
, 1962 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
John W. Neale
openalex +2 more sources
The new and reinstated genera of agglutinated foraminifera published between 1996 and 2000 [PDF]
, 2004 During the four year period since the previous International Workshop on Agglutinated Foraminifera, some 33 genera of agglutinated foraminifera have been described as new, and an additional six genera have been reinstated by various authors.
Kaminski, M.A.
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Filling the Gap: New Precise Early Cretaceous Radioisotopic Ages from the Andes [PDF]
, 2015 Two tuffs in the Lower Cretaceous Agrio Formation, Neuquén Basin, provided U–Pb zircon radioisotopic ages of 129.09 ± 0.16 Ma and 127.42 ± 0.15 Ma.
Aguirre-Urreta +27 more
core +3 more sources
Andean Geology, 2012 A new ammonoid species of the Andean endemic genus Andiceras Krantz is here described from upper Tithonian-lower Berriasian levels of the Vaca Muerta and Chachao Formations of the Mendoza Group, in north-western Mendoza Province, Argentina.
Verónica V Vennari +2 more
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Specific features of Bazhenov suite sediments in south-eastern Nurolsk sedimentary basin (Tomsk Oblast) [PDF]
, 2007 The specific sediment features in Georgiev (J[3]kmgr), Bazhenov (J3vbg) and Kulomzin (K1bkl) suites, exposed by drilling in the S-E Nurolsk depression (Tomsk Oblast), were defined and described via petrographic, X-ray diffraction and fluorescence ...
N Nedolivko +13 more
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Revista del Museo Argentino de Ciencias Naturales, 2009 A radiolarian assemblage found in the lowermost strata of the Río Mayer Formation, as exposed at Estancia La Federica in Santa Cruz Province, Argentina, is described.
Chris Hollis +2 more
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