New drilling of the early Aptian OAE1a : the Cau core (Prebetic Zone, south-eastern Spain) [PDF]
, 2016 The Cretaceous was punctuated by several episodes of accelerated global change, defined as Oceanic Anoxic Events (OAEs), that reflect abrupt changes in global carbon cycling. The Aptian Oceanic Anoxic Event (OAE1a; 120 Ma) represents an excellent example,
Castro, Jose Manuel +10 more
core +4 more sources
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
doaj +1 more source
Integrated stratigraphy of the Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation, Neuquén Basin, Argentina [PDF]
, 2011 The Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation (Neuquén Basin, Argentina) was studied applying an integrated stratigraphic approach and facies analysis.
Archuby, Fernando +2 more
core
Foraminiferal biostratigraphy and palaeoenvironmental analysis of the mid-Cretaceous limestones in the southern Tibetan plateau [PDF]
, 2017 This study of mid-Cretaceous foraminifera from the Linzhou, the Coqen and the Xigaze Basins in the southern Tibetan Plateau has provided the first high resolution biostratigraphic description of these limestones and interpretation of their ...
An, W +5 more
core
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
doaj
Lower Aptian Rudist Faunas (Bivalvia, Hippuritoidea) from Croatia [PDF]
, 2004 Lower Aptian rudist faunas from Croatia consist of Requienia? zlatarskii PAQUIER, Toucasia sp., Agriopleura sp., Glossomyophorus costatus MASSE, SKELTON & SLISKOVIC, Himeraelites sp. and Offneria sp.
I. Velić +3 more
core +1 more source
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
doaj +1 more source
New Jurassic amber outcrops from Lebanon
, 2013 International audienceAmber predating the Lower Cretaceous is extremely rare. During the past two decades, records of discoveries of amber sites have increased considerably worldwide.
Azar, Dany +5 more
core +3 more sources
Pterosaur distribution in time and space: an atlas [PDF]
, 2008 Barrett, Paul M. +3 more
core +1 more source
Speculative petroleum systems of the Punta del Este Basin (offshore Uruguay)
Brazilian Journal of Geology: The Uruguayan continental margin was generated as the result of the breakup of Gondwana and, later, the opening of the South Atlantic Ocean, which began in the Jurassic.
Ethel Morales +6 more
doaj +1 more source