Results 31 to 40 of about 11,814 (314)

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

open access: yesThe Anatomical Record, EarlyView.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman   +4 more
wiley   +1 more source

Development and Comparison of 3D Seismic Geology and Shear-wave Velocity Models of Metro Vancouver

open access: yesSeismica
This study presents a 3D regional modeling of seismic geology and shear wave velocity (Vs) in Metro Vancouver for seismic microzonation and hazard prediction.
Sujan Adhikari, Sheri Molnar
doaj   +1 more source

Shifting of faunas as a problem of stratigraphic geology [PDF]

open access: yesGeological Society of America Bulletin, 1903
Importance of Fossils to the Geologist The geologist dealing with stratified rocks has two quite distinct tasks before him. He is called upon to distinguish, define, and name the various rock formations. For this task he has small need of help from the paleontologist.
openaire   +2 more sources

Late Miocene to early Pliocene stratigraphic record in northern Taranaki Basin: Condensed sedimentation ahead of Northern Graben extension and progradation of the modern continental margin

open access: yes, 2004
The middle Pliocene-Pleistocene progradation of the Giant Foresets Formation in Taranaki Basin built up the modern continental margin offshore from western North Island.
Kamp, Peter J.J.   +3 more
core   +1 more source

A detailed redescription of a skeletally immature ‘Redondasaurus’ suggests ontogenetic transformations in the taxon mirror phytosaurian morphological evolution

open access: yesThe Anatomical Record, EarlyView.
Abstract The study of morphological evolution is fundamentally tied to ontogeny, yet studies of these heterochronic processes in the fossil record are rare. Fossils belonging to an ontogenetic series are difficult to assign to an ontogenetic stage due to inconsistent proxies for skeletal ages, challenging to taxonomically assign due to morphological ...
Erika R. Goldsmith, Michelle R. Stocker
wiley   +1 more source

Systematic Interpretation Of Silicified Specimens of Upper Cretaceous Echinocorys ex. gr. scutata (Leske, 1778), Farokhi Formation, Central Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2014
Echinocorys ex. gr. scutata is one of the most important echinids in the Upper Cretaceous deposits. In this regard, a stratigraphic section of the Farokhi Formation in the Central Iran is sampled. This formation is less known and described in the geology
M. Allameh, M. Taherpour Khalil Abad
doaj  

From Lithological Modelling to Groundwater Modelling: A Case Study in the Tiber River Alluvial Valley

open access: yesGeosciences, 2021
This study presents the results of a research project financed by the Lazio Regional Government. The research focused on defining an integrated model of recent alluvial deposits in the Tiber River.
Cristina Di Salvo   +6 more
doaj   +1 more source

New craniodental materials of Falcarius utahensis (Theropoda: Therizinosauria) reveal patterns of intraspecific variation and cranial evolution in early coelurosaurians

open access: yesThe Anatomical Record, EarlyView.
Abstract Despite documented ecomorphological shifts toward an herbivorous diet in several coelurosaurian lineages, the evolutionary tempo and mode of these changes remain poorly understood, hampered by sparse cranial materials for early representatives of major clades. This is particularly true for Therizinosauria, with representative crania best known
William J. Freimuth, Lindsay E. Zanno
wiley   +1 more source

3-D tight sandstone gas outcrop simulation based on unmanned aerial vehicle oblique photography data— A case study from the Pingtouxiang outcrop in North Shanxi, China

open access: yesUnconventional Resources, 2023
Current methods of acquiring data from outcrops with tight gas rocks yield insufficient data. To resolve this, unmanned aerial vehicle (UAV) oblique photogrammetry was used to quantitatively assess the Pingtouxiang outcrop in the North Shanxi province ...
Sen-Lin Yin   +5 more
doaj   +1 more source

The stratigraphic setting of continental shelves of southern Italy investigated through seismic stratigraphy: techniques, methodologies and case studies from Campania and Basilicata offshore (southern Tyrrhenian sea) [PDF]

open access: yes, 2012
The stratigraphic setting of continental shelves of Southern Italy is here studied and discussed through seismo-stratigraphic techniques and methodologies, focussing on case histories located in Campania and Basilicata offshore (Southern Tyrrhenian sea ...
Aiello, Gemma, Marsella, Ennio
core  

Home - About - Disclaimer - Privacy