Results 61 to 70 of about 83,196 (310)

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

New insights into the development of the Late Jurassic Reuchenette Formation of NW Switzerland (late Oxfordian to late Kimmeridgian, Jura Mountains) [PDF]

open access: yes, 2004
In the Ajoie-Region, seven in situ collected species of ammonites helped to establish a new biostratigraphical an dlithological frame for the platform sediments of the Reuchenette Formation, i.e.
Jank, Markus
core   +1 more source

Facies heterogeneity and source potential of carbonate-mudstone-dominated distal ramp deposits, Agrio Formation, Neuquén Basin, Argentina [PDF]

open access: yes, 2020
The carbonate-mudstone-dominated Lower Cretaceous Agrio Formation is the youngest marine source rock of the hydrocarbon-prolific Neuquen Basin in Argentina, yet its facies variability and unconventional ´ hydrocarbon potential remains relatively ...
Birgenheier, Lauren   +8 more
core   +1 more source

La sedimentación carbonatada en el Prepirineo aragonés durante el Cretácico superior

open access: yesEstudios Geologicos, 1999
El análisis de las facies carbonatadas realizado en el Cretácico superior del Prepirineo aragonés ha permitido establecer la reconstrucción paleogeográfica y paleoambiental para este sector de la Cuenca Surpirenaica.
L. Alegret, M. Aurell
doaj   +1 more source

Osteohistology of two phorusrhacids reveals uninterrupted growth strategy

open access: yesThe Anatomical Record, EarlyView.
Abstract Phorusrhacidae were apex predators that primarily dominated South America ecosystems for at least 40 million years with their imposing size and predatory lifestyle—yet some aspects of their biology remain poorly understood. Osteohistology is a tool for understanding growth dynamics and biomechanical adaptations.
Lotta Dreyer   +2 more
wiley   +1 more source

MACHINE LEARNING AND THE CONSTRUCTION OF A SEISMIC ATTRIBUTE-SEISMIC FACIES ANALYSIS DATA BASE [PDF]

open access: yes, 2018
Currently, seismic facies and structural analysis requires a significant amount of time and effort by skilled interpreters. With the advances made by companies such as Amazon and Google with AI (artificial intelligence) and machine learning, many ...
Cassel, Murphy
core  

Paleogeographic reconstructions of Jurassic strata of Western Siberia [PDF]

open access: yesНефтегазовая геология: Теория и практика
Based on the integration of geological and geophysical data, the facies and sedimentation environments of the Jurassic strata of Western Siberia were determined.
Shimanskiy V.V.   +9 more
doaj  

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

The skeletal carbonate contribution to mixed terrigenous-carbonate sediments on the temperate northeastern Northland continental shelf, New Zealand [PDF]

open access: yes, 2012
The northeastern Northland continental shelf (NNCS) includes the coastal, shelf and uppermost slope seafloor out to depths of 210 m and over a distance of 150 km between North Cape and Ngurauru Bay slightly north of Whangarei. The nature of the surficial
Rogers, Danielle Claire
core  

CORE LOG AND CONE PENETRATION TEST APPROACH FOR BEARING CAPACITY ANALYSIS OF QUATERNARY DEPOSIT AND ITS CORRELATION TO FACIES DISTRIBUTION IN SOUTHERN BALI

open access: yesRudarsko-geološko-naftni Zbornik, 2020
Area development deals with optimal land use and the reduction of the risk of geological disasters. The coastal area of South Bali is prone to land settlement hazards.
Nugroho Aji Satriyo   +2 more
doaj   +1 more source

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