Results 91 to 100 of about 7,617 (206)
Geologica Acta, 2012 Major global palaeobiologic and palaeoenvironmental changes occurred during the Early Aptian. Precise dating and timing of the different events is crucial to determine possible cause-effect relationships between them.
J.A. MORENO BEDMAR +8 more
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Upper Aptian calcareous algae from Pădurea Craiului (Northern Apuseni Mountains, Romania) [PDF]
, 2008 A study of calcareous strata previously assigned to the Barremian-Early Aptian interval in the northwestern part of Pădurea Craiului, (Apuseni Mountains), led to the identifi cation of a icropaleontological association indicative of a Late Aptian age ...
Bruno Granier +5 more
core +1 more source
Carnets de Géologie, 2008 More than 2,200 pyritized ammonites of the Superfamily Phylloceratatoidea have been collected in consonance with the scale of the ammonite zonation of the expanded Marnes Bleues Fm in the Vocontian Basin (SE France).
Joly Bernard, Delamette Michel
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, 2008 The Late Barremian-Late Aptian interval was characterised by several major changes in the ocean/climate system related to the onset of the Mid-Cretaceous greenhouse world.
Heldt, Matthias
core
A bioprovince for the Barremian–Aptian charophytes of the Central Tethyan Archipelago
Cretaceous ResearchA comprehensive bibliographic compilation of dozens of worldwide records of charophytes from the Barremian to early Aptian interval has been revisited aiming to gather the regional and global distribution data for the clavatoracean family. The compiled data were studied with the palaeontological statistics software PAST (PAleontological STatistics ...
Alba Vicente +4 more
openaire +3 more sources
Carnets de Géologie, 2007 In the Lower Aptian historical stratotype area (Cassis-La Bédoule, SE France), a geochemical study of the Gargasian (Middle Aptian) marl-limestone alternations of the La Marcouline quarry complements data already obtained from Bedoulian (Early Aptian ...
TRONCHETTI Guy +5 more
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Biostratigraphy of Lower Cretaceous from Selected Borehole in central Iraq
Academic Science Journalتكوين سرمورد هو تكوين مهم تم ترسيبه في شمال ووسط العراق الطباشيري السفلي. تمت دراسته لأغراض الرسم الطبقي الحيوي في قسمين تحت السطح في آبار حقل نفط تكريت: TK3 و TK5 في حكومة تكريت. يُعرف التكوين بأهميته وقد تمت دراسته على نطاق واسع من قبل الباحثين. تشكيل
Luay S. Shakir, Anwar K. Mousa
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Shallow-water brittle-star (Echinodermata: Ophiuroidea) assemblages from the Aptian (Early Cretaceous) of the North Atlantic:first insights into bathymetric distribution patterns [PDF]
, 2014 Stöhr, Sabine +7 more
core +1 more source
Microfacies of a Lower Cretaceous marine successions in Cerro Las Conchas, Sonora, Mexico
Revista Mexicana de Ciencias Geológicas, 2019 The upper Aptian-middle Albian marine sequence exposed in the Cerro Las Conchas is clearly upside down, being the middle Albian rocks in the topographic base of the sequence, while the upper Aptian is in the upper part of the section.
Rogelio Monreal-Saavedra
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The Cogollo Group and the oceanic anoxic events 1a and 1b, Maracaibo basin, Venezuela
Brazilian Journal of GeologyCarbonates of Cogollo Group (Apón, Lisure and Maraca formations) constitute the broader calcareous platform system originated during Aptian and Albian of Cretaceous in north-western South America, Maracaibo Basin, Venezuela.
José Alejandro Méndez Dot +3 more
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