Results 41 to 50 of about 1,529 (201)
Anais da Academia Brasileira de Ciências: We describe the first occurrence of biogenic traces made by mammals within an iron formation cave located in the Serra da Ferrugem Ridge, in Southeastern Brazil.
ANDRÉ G. VASCONCELOS +2 more
doaj +1 more source
The Anatomical Record, EarlyView.Abstract Sauropod dinosaurs achieved unprecedented terrestrial gigantism, raising questions about the biomechanical limits of bone under extreme gravitational loads. We estimated static gravitational pressures (Pg) on appendicular cortical bone in neosauropods, including diplodocoids, brachiosaurids, and titanosaurs.
Tito Aureliano +4 more
wiley +1 more source
Ichnology of the Rhätsandstein in the Exter Formation (Triassic), Germany
Geological Journal, EarlyView.Trace fossils from the Rhätsandstein of southern Germany record repeated colonization of high‐energy shallow‐marine substrates before the Triassic–Jurassic transition. The assemblage reflects environmental and preservational controls on ichnodiversity.
Daniel Sedorko, James H. Nebelsick
wiley +1 more source
Brazilian Journal of GeologyThe sedimentary basins in the Continental Rift of Southeastern Brazil (CRSB) provide an opportunity for ichnological analyses due to its well-known facies relationships and paleoenvironmental interpretations. This study reports invertebrate trace fossils
Daniel Sedorko +6 more
doaj +1 more source
Spatial and Seasonal Studies of Sedimentological and Neoichnological Characteristics from Mangrove areas of Karachi, Pakistan [PDF]
International Journal of Economic and Environment Geology, 2016 The purpose of this study is to appraise the physicochemical properties of mangrove sediments and their influence on neoichnological properties produced by different crab species from Korangi Creek (S1) and Sandspit backwater areas (S2 and S3), Karachi ...
Noor Us Saher +2 more
doaj
Sedimentology, EarlyView.ABSTRACT Seismic‐scale features such as deeply incised submarine valleys and mounded drifts together with ichnological features indicative of discontinuous sedimentation and erosional episodes have recently been documented from the Upper Cretaceous chalk in the southern Baltic Sea area.
Marcel Schlembach +6 more
wiley +1 more source
, 2021 There are different criteria that are usually analysed independently before identifying a new trace fossil, such as morphological regularity, completeness, dispersion, recurrence and complexity, surface morphology, and context.
Genise, Jorge Fernando, Jorge F. Genise
core +1 more source
Известия высших учебных заведений: Геология и разведка, 2015 Trace fossils may be of crucial importance for palaeoenvironmental reconstructions, which is demonstrated by example of new ichnological finds in Mountainous Adygeya.
E. E. Plyusnina +3 more
doaj +1 more source
Rethinking microtidal systems: Tidal signatures in the fluvial deposits of the Po River, Italy
Sedimentology, EarlyView.ABSTRACT In microtidally influenced rivers, tides are generally assumed to leave virtually no signatures in the sedimentary record. However, this hypothesis has been surprisingly poorly tested using modern river analogues, which provide an opportunity to assess whether sedimentary signatures of microtidal regimes can develop in rivers that lack ...
Anna E. van Yperen +6 more
wiley +1 more source
In a galaxy far, far away... traces? : astrobiological potential of ichnology
, 2016 Organism-substrate interactions and their products – individual traces and ichnofabrics – are important biosignatures on Earth as they represent direct evidence of biological behaviour.
A. Celani +9 more
core +2 more sources