Results 31 to 40 of about 1,129 (194)

ichnofacies and its multifarious significance: A case study from the Miocene Boka Bil Formation of Manipur, India

Journal of the Palaeontological Society of India, 2023
Bioerosional structures are well preserved in the Miocene Boka Bil Formation, exposed in the Kaiphundai section, Thangjing Hill Range of Manipur, India. Eleven ichnospecies representing the Trypanites Ichnofacies, viz., Entobia cateniformis, E .
Khundom Inaobi, Pradeep Kundal, Mairenbam Chandra Singh, Chabungbam Sharatchand Singh   +3 more
doaj   +1 more source

Depositional environment, ichnological features and oxygenation of Permian to earliest Triassic marine sediments in central Spitsbergen, Svalbard

Polar Research, 2016
Late Early Permian–lowermost Triassic carbonate, siliceous (spiculites) and clastic marine sediments in the Marmierfjellet area (Isfjorden, central Spitsbergen) contain a relatively diverse and abundant trace fossil assemblage providing important ...
Alfred Uchman, Nils-Martin Hanken, Jesper Kresten Nielsen, Sten-Andreas Grundvåg, Stefan Piasecki   +4 more
doaj   +1 more source

Sabellid tubes from the deep shelf off Liguria (Italy): A modern analogue for distal Skolithos Ichnofacies?

, 2023
Dense associations of vertical trace fossils are typically used as a proxy for nearshore palaeoenvironments. Here we challenge this assumption by reporting dense associations of vertical tubes occupying vast areas of the deep shelf off Liguria (Italy) at
Bavestrello G., Bo M., Toma M., Cabella R., Carbone C., Briguglio A., Enrichetti F., Neto de Carvalho C., Baucon A.   +8 more
core   +1 more source

Bryozoan‐Rich Carbonate Units of the Erfoud Area (SE Morocco) Record Latest Katian to Early Hirnantian Interglacial Intervals

Geological Journal, EarlyView.
In this study, we re‐examine the depositional architecture of the Erfoud limestone in Morocco. Introducing new biostratigraphic constraints from chitinozoan assemblages, we show that Katian to Hirnantian bryozoan‐pelmatozoan meadows reflect flooding events linked to a series of interglacial transgressions known to have occurred immediately prior to the
Philippe Razin, Jean‐François Ghienne, Amira Meddour, Lorena Tessitore, Thijs R. A. Vandenbroucke   +4 more
wiley   +1 more source

The ethological study of Glossifungites ichnofacies in the modern & Miocene Mahakam Delta, Indonesia

, 2018
The presence of Glossifungites ichnofacies indicate cohesive or more lithified substrate environment. Therefore, the presence of Glossfungites ichnofacies surface does not always related to sequence boundary, but more reasonable as event surface.
Ery Arifullah (5730671)
core   +1 more source

The Ordovician strata of the Ennedi Plateau, northeastern Chad (Erdi Basin)

Comptes Rendus. Géoscience, 2023
In the Ennedi Plateau, northeastern Chad, Cambrian(?)–Ordovician to Carboniferous strata represent one of the most proximal succession of the north-facing Gondwana platform. This study presents preliminary results related to the c.
Ghienne, Jean-François, Moussa, Abderamane, Saad, Abakar, Djatibeye, Barnabé, Youssouf, Hissein Mahamat   +4 more
doaj   +1 more source

Spatial and temporal evolution of a coastal erg margin: the Middle Jurassic Page Sandstone, southern Utah, USA

Sedimentology, EarlyView.
ABSTRACT Aeolian deflationary events are erosive to static stages where sediment supply is insufficient to support bedform migration and preservation in the rock record. In the vicinity of shallow‐marine environments, inland rises of relative water table and associated generation of deflationary super surfaces may be driven by the onset of ...
Victor J. P. Hême de Lacotte, Chester H. C. Davies, Briony J. Bowler, Stuart M. Clarke, Thomas J. H. Dodd   +4 more
wiley   +1 more source

The effects of bioturbation on porewater chemistry and early marine diagenesis: Evidence from a modern intertidal zone in Abu Dhabi, U.A.E.

Sedimentology, EarlyView.
ABSTRACT Early marine carbonate cements generally form in CaCO3‐supersaturated seawater at the seabed or shallow burial depths, resulting in syn‐sedimentary cemented firmgrounds and hardgrounds. The processes controlling early marine diagenesis are complex, particularly in coastal environments where geochemistry is influenced by different water sources
Drew Brown, Tom Kibblewhite, Fiona Whitaker, Daniela Gutierrez‐Rueda, Daniel S. Alessi, John‐Paul Zonneveld, Murray Gingras, Hilary Corlett   +7 more
wiley   +1 more source

Outcrop and subsurface characterisation of a mixed tidal and wave‐influenced coastline (Triassic Red Beds, SE Spain)

Sedimentology, EarlyView.
ABSTRACT Paralic depositional systems are complex and heterogeneous sedimentary environments, presenting challenges for predicting reservoir architecture and connectivity. Their stratigraphic and facies variability arises from the dynamic interplay between fluvial, tidal and wave processes, and their sensitivity to sea‐level fluctuations, sediment ...
Luis Miguel Yeste, Marc Gil‐Ortiz, Neil David McDougall, Patricia Cabello, César Viseras   +4 more
wiley   +1 more source

Parasitic gastropod bioerosion trace fossil on Cenomanian oysters from Le Mans, France and its ichnologic and taphonomic context [PDF]

Acta Palaeontologica Polonica, 2017
We describe and name Loxolenichnus stellatocinctus Breton and Wisshak igen. et isp. nov., a bioerosion trace fossil on an Upper Cenomanian oyster from Le Mans (France). This trace is attributed here to a parasitic gastropod.
Gérard Breton, Max Wisshak, Didier Néraudeau, Nicolas Morel   +3 more
doaj   +1 more source