Taphonomy of a Mysticete Whale from the Lower Pliocene of the Coast of Cádiz (Spain) DOI Creative Commons
Giulia Bosio, Ildefonso Bajo Campos, Alberto Collareta

et al.

Journal of Marine Science and Engineering, Journal Year: 2023, Volume and Issue: 12(1), P. 17 - 17

Published: Dec. 20, 2023

A fossil mysticete was discovered along the southwestern coast of Spain, occurring in a block detached from Neogene deposits exposed coastal cliff at locality Conil de la Frontera (Cádiz, Spain). These range Pliocene to Pleistocene age and include shallow-marine, mixed carbonate–siliciclastic sediments, with whale being found occurrence stratigraphic unconformity marked by Thalassinoides burrows. 87Sr/86Sr analyses on oyster shells associated skeleton suggest an Early age, agreement lowermost unit cropping out study site. The studied cetacean specimen consists articulated, almost complete balaenopteroid field dorsal side up; contained upside-down block, however, it is preserved ventral disposition. Bones exhibit low degree preservation cortical bone tissue, which locally features shark bite marks Osedax traces as well abundant encrustations barnacles ostreids. Two teeth were also near skeleton. have their main histological features, even though they microcracks, dissolution, substitution Fe oxides, microborings. Sediment particles late diagenetic cements fill medullary cavities. We propose that carcass experienced refloating before sinking seafloor probably for some time eventually buried.

Language: Английский

Palaeoenvironmental interpretation of the Pliocene fan-delta system of the Vera Basin (SE Spain): Fossil assemblages, ichnology and taphonomy DOI

Joaquín Bosque Sendra,

Matías Reolid, Jesús Reolid

et al.

Palaeoworld, Journal Year: 2019, Volume and Issue: 29(4), P. 769 - 788

Published: Nov. 8, 2019

Language: Английский

Citations

11
New paleobiogeographical and paleoenvironmental insight through the Tortonian brachiopod and ichnofauna assemblages from the Mediterranean-Atlantic seaway (Guadix Basin, SE Spain) DOI
Alice Giannetti, José Francisco Baeza Carratalá, Jesús M. Soria

et al.

Facies, Journal Year: 2018, Volume and Issue: 64(3)

Published: June 27, 2018

Language: Английский

Citations

10
Taphonomy, ichnology, and palaeoecology to distinguish event beds in varied shallow-water settings (Betic Cordillera, SE Spain) DOI
Alice Giannetti,

Paolo Monaco,

Santiago Falces-Delgado

et al.

Journal of Iberian Geology, Journal Year: 2018, Volume and Issue: 45(1), P. 47 - 61

Published: Oct. 31, 2018

Language: Английский

Citations

10
Differentiate allogenic and autogenic controls on the formation of parasequences and depositional sequences of a tide‐ and wave‐dominated carbonate platform (Lower Cretaceous, Kopet‐Dagh Basin, Iran) DOI
Mahmoud Sharafi, Matías Reolid, Aram Bayet‐Goll

et al.

Geological Journal, Journal Year: 2022, Volume and Issue: 57(7), P. 2828 - 2853

Published: March 28, 2022

The carbonate‐dominated successions of the Tirgan Formation (Latest Barremian‐Early Aptian) in Kopet‐Dagh Basin (Iran) were studied to decipher tectonic and eustatic sea‐level effects, as well autogenic influence on lateral vertical facies changes, depositional environment, sequence stratigraphy tide‐wave‐dominated sediments at northern margin Neo‐Tethys Ocean. Fourteen identified sequences, here grouped into five associations according setting: tidal flat (A), lagoon (B), shoal (C), shallow open‐marine (D), deep‐open marine (E). A third‐order sequence, including a transgressive system tract (TST) highstand (HST) was also identified, along with several medium‐ small‐scale, thickening‐ shallowing‐upward cycles (parasequences). development parasequences controlled by interactions between allogenic (tectonic eustasy) factors (wave hydrodynamic regimes). mainly affected stacking pattern parasequence TST deposits lower part Formation, characterized association. Autogenic display main formation HST related parasequences, open‐marine‐lagoon–shoal developed upper Formation. tectono‐sedimentary model for evolution carbonate platform represented may be useful further studies sedimentary basin or palaeogeographic reconstructions margin.

Language: Английский

Citations

6
EVALUATING THE ICHNOFOSSIL TEREDOLITES AS AN INDICATOR OF SALINITY AND PALEOENVIRONMENT DOI

R.C.C. BUNTIN,

Stephen T. Hasiotis, Peter P. Flaig

et al.

Palaios, Journal Year: 2022, Volume and Issue: 37(3), P. 53 - 72

Published: March 21, 2022

ABSTRACT The ichnogenus Teredolites and the Ichnofacies is an accepted proxy for marine influence in paralic to open depositional environments. Actualistic approaches process-ichnologic framework allow independent analysis of both quantitative semiquantitative data interpret physicochemical conditions when are present. Measurements collected modern environments Jurassic–Eocene successions produce a spatially temporally robust dataset 14,137 borings from 17 tracemaking genera. Life history strategies extant tracemakers reflected Mesozoic borings, which reconstruction paleosalinity. Trends extrapolated indicate four ecotones nearshore settings, can be identified into Late Cretaceous. These zones display variation boring metrics (length [L], width [W], L:W ratio, size diversity index), densities, relative composition Teredolites. Zone 1 represents upper estuary tidally modified fluvial with salinities 0.5–10 ppt (oligohaline alpha-mesohaline). 2 central 10–19 (beta-mesohaline lower polyhaline). 3 15–30 euhaline). 4 backshore 20–30+ (polyhaline Boring compared against fossil genera suggest high species richness Western Interior Seaway coincided physical adaptations compensate interspecific competition—differences reproduction style media preferences at time settlement—in

Language: Английский

Citations

3
Palaeoenvironmental implications of a turritelline-dominated assemblage from Upper Cretaceous carbonate rocks of Narmada Basin, India DOI
Prantik Mondal,

Arunaditya Das,

Biplab Bhattacharya

et al.

Palaeoworld, Journal Year: 2024, Volume and Issue: unknown

Published: July 1, 2024

Language: Английский

Citations

0
Late Cretaceous marine flooding and installation of a mangrove swamp environment in the Prebetic (Betic External Zones, SE Spain) DOI Creative Commons
Matías Reolid, Mario Sánchez‐Gómez, Elisa Laita

et al.

Journal of Iberian Geology, Journal Year: 2024, Volume and Issue: unknown

Published: July 9, 2024

Abstract The Cenomanian (Upper Cretaceous) sedimentary rocks of the External Prebetic (Betic Cordillera) in Sierra de Montearagón-Carcelén (SE Spain) record transgression and flooding continental deposits subsequent development an inner shallow carbonate platform. transgressive surface is densely colonized by infaunal trace-makers Glossifungites ichnofacies ( Gastrochaenolites ), which indicate sediment starvation erosion as well colonization a firmground. first were thick calcarenite bar (2 to 11 m) with large-scale cross-bedding pointing high-energy environment Rosselia Ophiomorpha ) confirms loose sandy bottom under conditions. overlaying stratigraphic succession characterized subtidal laminated marly limestones intertidal rhizoliths interpreted mangrove swamp environment. These facies are organized shallowing-upwards sequences. An episodic event represented bivalve-rich representing shell lags disarticulated valves. This could be related climatic perturbation evidenced negative excursion δ 13 C 18 O. successive sequences persisted thanks subsidence tectonically controlled depocenters located south Montearagón-Carcelén. differential subsidence, increasing thickness towards sector study, suggests activity listric faults that depocenters. report this very extensive developed close land emerged.

Language: Английский

Citations

0
Mixed carbonate-siliciclastic contourite drift deposits associated with the entrance of an Atlantic-Mediterranean corridor (late Miocene, southwest Spain) DOI
Jesús Reolid, Julio Aguirre, José N. Pérez‐Asensio

et al.

Sedimentary Geology, Journal Year: 2022, Volume and Issue: 439, P. 106233 - 106233

Published: Aug. 17, 2022

Carbonate contourite drifts are poorly documented in the onshore record because of difficulty implementing diagnostic criteria for their recognition. Accordingly, little is known about relative position carbonate with respect to ancient platforms, seaways and shallow passages within context palaeoceanography. This study presents a fossil example mixed carbonate-siliciclastic drift cropping out quarry Osuna (Sevilla province, southern Spain) at northern end Guadalhorce Corridor, Miocene strait connecting Mediterranean Sea Atlantic Ocean Betic Cordillera. Based on facies sedimentary structures, studied succession divided into three units: 1) lower unit, Unit 1, 33-m thick large bodies mega cross-stratification pointing southeast secondarily northwest interpreted as drift; 2) intermediate 2 0.5–2-m terrigenous conglomerate body eroding top 1; 3) uppermost 3 consists 6-m siliciclastic-dominated herringbone dominant direction structures tidal deposits. The large-scale sediment cross-beds, presence reactivation surfaces grain-size changes, unidirectionality were recognition 1 generated by inflow Mediterranean. challenges classical "siphon" model Atlantic-Mediterranean water-mass circulation pattern this age. conglomerates evidence regional uplift margin Guadalquivir Basin that promoted change depositional mode from bottom-current dominated (Unit tide-dominated environment after closure Corridor Messinian.

Language: Английский

Citations

2
Ichnology of Lower Cretaceous prodelta and delta front deposits of the Sidi Khalif Formation, Central Tunisia DOI
Sami Riahi, Alfred Uchman

Facies, Journal Year: 2022, Volume and Issue: 68(1)

Published: Jan. 1, 2022

Language: Английский

Citations

1
Primer registro de Palaeoloxodon cf. antiquus (Proboscidea, Pleistoceno Medio) del sector oriental de la Cuenca del Guadalquivir (SE España): tafonomía y relación con otros yacimientos DOI Creative Commons
Matías Reolid, Mario Sánchez‐Gómez, Sergio Ros-Montoya

et al.

Estudios Geológicos, Journal Year: 2021, Volume and Issue: 77(1), P. e136 - e136

Published: May 11, 2021

El primer registro de un proboscídeo en el sector oriental la Cuenca del Guadalquivir se ha localizado los abanicos aluviales desarrollados durante una etapa intensa erosión nuevos relieves frente montañoso más externo Cordillera Bética. fósil estudiado es fragmento defensa 74 cm longitud que fue transportado por las corrientes alimentaban abanico deltaico Pleistoceno medio. Este resto encuentra dentro unos depósitos detríticos alta energía varían entre tamaño arena gruesa y bloques. revestido costra carbonatada laminada espesor inferior a 2 cm. análisis detallado esta permitido identificar estructuras asignables briofitas fósiles. Por lo tanto, interpreta recubierta casi completamente musgo experimentó cementación temprana. Posiblemente formación favoreció preservara. Un posterior enterramiento rápido también debió favorecer preservación. líneas Schreger superficies fractura asignar especie elefante Palaeoloxodon cf. antiquus. ejemplar poblaciones occidental Guadix-Baza. No descarta posibilidad existieran migraciones estacionales P. antiquus tierras bajas menos 200 m altura sobre nivel mar, altiplano Guadix-Baza, encima 900 altura.

Citations

1