Results 101 to 110 of about 3,562,180 (347)

Comparative cranial biomechanics reveal macroevolutionary trends in theropod dinosaurs, with emphasis on Tyrannosauroidea

open access: yesThe Anatomical Record, EarlyView.
Abstract Tyrannosaurus is viewed as a model organism in vertebrate paleontology, with numerous studies analyzing its feeding biomechanics. Nonetheless, the evolution of this feeding performance has been under‐addressed in Tyrannosauroidea, especially in basal tyrannosauroids. Here we used muscle‐force reconstruction and finite element analysis (FEA) to
Evan Johnson‐Ransom   +4 more
wiley   +1 more source

Intracrystalline deformation and slaty cleavage development in very low-grade slates from the Central Pyrenees [PDF]

open access: yes, 1988
This thesis presents the results of a study on the role of intracrystalline deformation of phyllosilicates during slaty cleavage development. Chapter one gives an introduction to the problem being investigated. Slaty cleavage has been studied for over
IVAU: Instituut voor Aardwetenschappen Utrecht   +2 more
core   +1 more source

Nasal soft‐tissue anatomy of Triceratops and other horned dinosaurs

open access: yesThe Anatomical Record, EarlyView.
Abstract Although ceratopsid dinosaurs possess a characteristically hypertrophied narial region, soft‐tissue anatomy associated with such a skeletal structure and their biological significance remain poorly understood. The present study provides the first comprehensive hypothesis on the soft‐tissue anatomy in the ceratopsid rostrum based on the Extant ...
Seishiro Tada   +5 more
wiley   +1 more source

Effects of mechanical properties of the underburden on induced seismicity along a basement fault during hydrogen storage in a depleted reservoir

open access: yesiScience
Summary: This study models the geomechanical deformation of a depleted gas field, wherein gaseous hydrogen is stored in a North Sea reservoir, and is cyclically injected and withdrawn.
James E.J. Burtonshaw   +3 more
doaj   +1 more source

Joseph C. and Elizabeth C. Walter Geology Library Annual Report - 1988-1989 [PDF]

open access: yes, 1989
Contents: Summary, Accomplishments, GoalsUT ...
Geology Library
core   +1 more source

Paleopathology of a putative colossosaurian caudal vertebra (Neosauropoda: Titanosauria) from the Presidente Prudente Formation, Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Studies investigating paleopathologies in sauropods remain scarce despite their relative abundance in the fossil record. In this study we report new occurrence of paleopathological features, corresponding to a neoplasm found in a middle caudal vertebra (MCT.R.2120) of an advanced titanosaur from the Presidente Prudente Formation (Bauru Basin ...
Maria Luiza Peres Bertolossi   +5 more
wiley   +1 more source

Straight impact crater rim segments on Mercury

open access: yesJournal of Maps
The formation of straight impact crater rims is widely accepted to be influenced by preexisting lithospheric structure. We investigate the distribution and orientations of straight crater rim segments across Mercury. We devise a mapping workflow aimed at
Işık S. Yazıcı   +3 more
doaj   +1 more source

Thick-Skinned and Thin-Skinned Tectonics: A Global Perspective

open access: yesGeosciences, 2017
This paper gives an overview of the large-scale tectonic styles encountered in orogens worldwide. Thin-skinned and thick-skinned tectonics represent two end member styles recognized in mountain ranges.
O. Adrian Pfiffner
doaj   +1 more source

Structural geology and tectonics / by Kenneth Ronald McClay. [PDF]

open access: yes, 2000
Includes bibliographical references.Consists of 75 published papers on structural geology and tectonics grouped into 5 broad themes -- and ore deposits; analogue modelling; extensional tectonics; thrust tectonics; and, tectonics, all presented in ...
McClay, K. R. (Kenneth R.)
core  

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