José Antonio Gámez Vintaned

José Antonio Gámez Vintaned
University of Zaragoza | UNIZAR · Department of Earth Sciences

PhD in Geology
Palaeobiologist and sedimentologist, specialized in traces and primitive biotas, seeking a new position.

About

133
Publications
30,521
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Introduction
José Antonio Gámez Vintaned is a doctor in Geological Sciences by the University of Zaragoza (Spain). He has been an associate professor at Universiti Teknologi PETRONAS from 2014 to 2020. He is a specialist in Palaeoichnology and also in Palaeontology of primitive biotas. He has published over 100 scientific papers, dealing with Neoproterozoic-Cambrian to Recent trace fossils and soft and shelly body fossils, as well as with Artificial Intelligence, collections and the dissemination of science.
Additional affiliations
June 2014 - December 2020
Universiti Teknologi PETRONAS
Position
  • Professor (Associate)
Description
  • Conduct of scientific research and dissemination activities; field and lab supervision of MSc and PhD students; field and lab guidance of final year students; mentorship of undergraduate students; development of course material; teaching of theoretical and practical classes; student field excursions guidance; attendance at departmental meetings; membership of departmental committees; application of research grants; research project accounting; research; management of palaeontological collections
January 2013 - May 2014
University of Zaragoza
Position
  • Senior Researcher
Description
  • Conduct of scientific research and dissemination activities; teaching of non-university courses; research project accounting.
January 2010 - December 2012
University of Valencia
Position
  • Senior Researcher
Description
  • In duty of the research project “Ichnological characterisation of the Neoproterozoic/Palaeozoic transition in the Iberian Peninsula”. Conduct of scientific research and dissemination activities; development of course material; teaching of theoretical and practical classes; student field excursions guidance; attendance at departmental meetings; research project accounting.
Education
September 2002 - December 2007
University of Zaragoza
Field of study
  • Geology
September 1988 - June 1991
University of Zaragoza
Field of study
  • German language and German Translation
September 1982 - June 1987
University of Zaragoza
Field of study
  • Geology

Publications

Publications (133)
Article
The upper part of the La Herrería Formation in Los Barrios de Luna (León province, N Spain) has been revised from a palaeontological and biostratigraphical point of view. Two stratigraphic sections have been studied including their trilobite and ichnofossils contents. The ichnofossil assemblages have a high diversity of species characterising the C...
Article
Full-text available
La localidad de Murero (provincia de Zaragoza) es conocida internacionalmente como punto de referencia para el estudio del límite Cámbrico Inferior-Medio, debido a su continuidad estratigráfica (Pisos Bibiliense al Caesaraugustiense), carácter monofacial mixto (secuencia marina de plataforma terrígeno-carbonatada), riqueza paleontológica (60 taxone...
Conference Paper
Full-text available
The author analyses and evaluates his academic experience while imparting 16 courses on the subject “Palaeontology” to a total of 689 undergraduate students of the Bachelor of Technology (Honours) Petroleum Geoscience – syllabuses 2014 and 2018 – at the Department of Geosciences, Universiti Teknologi PETRONAS (UTP), a leading private university in...
Article
Although rare, sedimentary deposits containing exceptionally preserved fossils (i.e., Lagerstätten) have shaped our view on the history of life at particular intervals, such as those recording the Cambrian radiation of animals. Therefore, understanding the processes that lead to the fossilization of unmineralized tissues is crucial to better interp...
Article
Wellbore trajectory design is a nonlinear and constrained mathematical optimization problem that is used to build a cost-efficient, safe, and easily reachable trajectory. True measured depth (TMD), torque, and strain energy are used as objective functions to evaluate the wellbore trajectory design in this work. The minimum values of these objective...
Article
Full-text available
The optimized design of wellbore trajectory acts as a key factor in the industries associated with oil and gas. Optimization of three significant parameters i.e. true measured depth, torque, and well strain energy are required for optimum wellbore trajectory. As per the formulation of the problem, affiliated objective functions in this paper rely u...
Article
Full-text available
Whatever the exact figures, world energy consumption, particularly electricity consumption, can increase significantly during couple of decades. It is not possible solely due to demographic pressure, but also due to expansion of living standards within the less developed countries. Hydropower has reached high levels of technical sophistication in p...
Chapter
Full-text available
For calculating constrained optimization problem various socio/bio-inspired algorithms have adopted a penalty function approach to handle linear and nonlinear constraints. In a general sense, the approach is quite easy to understand, but a precise choice of penalty parameter is very much important. It requires a bunch number of primer preliminaries...
Article
Full-text available
Turbidite-associated black shale of the Semanggol Formation is extensively distributed in the northwestern part of the Western Belt, Peninsular Malaysia. The black shale occurs as a dark grey to black and thick to medium-bedded deposit. It represents the distal part of submarine fan system (outer-fan) overlying interbedded sandstone to shale facies...
Article
We study the largest exposed example of an early Cambrian palaeokarst, associated with laterites and developed during rifting of the Ossa–Morena Zone. The lithostratigraphy, biostratigraphy, facies and the genesis reflect episodes of sea-level fall (Cerro del Hierro Regression) related to tectonic events and palaeoclimate. This palaeokarst can be p...
Article
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On September 23rd 2012, Jordi Maria de Gibert Atienza, an innovative explorer of the fossil record, passed away suddenly in Barcelona. He left behind interesting scientifi c contributions in the areas of invertebrate ecology, palaeoecology, evolutionary ecology, taphonomy and ichnology. Jordi Maria was only 44 and had a whole life in science ahead...
Article
Due to a variety of possible good types and so many complex drilling variables and constraints, optimization of the trajectory of a complex wellbore is very challenging. There are several types of well such as directional wells, horizontal wells, redrilling wells, complex structure wells, cluster wells, and extended reach wells etcetera. Over the p...
Article
A new ichnospecies, Linichnus bromleyi, is described on bone substrate as the result of a very likely predator/scavenger interaction. L. bromleyi consists of a single groove with a non-serrated edge. This new ichnotaxon is compared with L. serratus which was defined as a single elongate serrate-edged groove. L. bromleyi has been identified over the...
Article
Full-text available
Geopressure prediction is crucial because all drilling programs require estimation of abnormal pressured zones. The use of rock fabric deformational relics at variable depths to determine heterogeneity in overpressure zones in reservoir has not been explored. Therefore, the aim of this paper is to use petrography to determine intrinsic variations w...
Article
New trilobites from the upper part of the Pusa Formation (base of Cambrian Stage 3) in Central Spain are studied for their systematic and biostratigraphic significance. The trilobites Proabadiella toletana n. gen. et sp., Proabadiella vidalii n. gen. et sp., and a genus et species indet. are recorded with other fossils from the lower Ovetian region...
Chapter
Full-text available
Due to a variety of possible good types and so many complex drilling variables and constraints, optimization of the trajectory of a complex wellbore is very challenging. There are several types of wells, such as directional wells, horizontal wells, redrilling wells, complex structure wells, cluster wells, and extended reach wells. This reduction of...
Article
Amber samples with bivalve borings from six localities around the world, ranging in age from Hauterivian to Miocene, have been studied. The possible assignment to Teredolites or Gastrochaenolites is discussed considering the type of substrate as an ichnotaxobase. It is proposed to regard amber or similar resins as a variant of xylic substrates and...
Article
Full-text available
Isolated carbonate build-ups of Miocene age are important hydrocarbon reservoirs in SE Asia and globally. The architecture of the build-up rim and fore-reef talus is poorly understood. The Subis build-up is one of the cycle I–II carbonate outcrops exposed along the coastal Sarawak in an area of 5 × 6 km², with an exposed thickness of 390 m. This pr...
Article
Carbonate reservoirs are mostly considered to be complicated since in the petroleum industry, and because predicting the quality and achieving a high recovery factor from these rocks is challenging. Carbonate rocks have a complex porosity, which often leads to substantial uncertainty in prediction of permeability values for any particular porosity...
Article
Full-text available
A stratigraphic section of the Maláguide Complex cropping out at the easternmost part of the Málaga Province (SE Spain) is studied. Previous palaeontological data were unknown in this area. A lower stratigraphic Interval I has yielded fossil Equisetales plants, probable ferns and centrimetric xylic fragments at several centimetric slate levels inte...
Article
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The genus Naraoia Walcott, 1912, a Burgess Shale-type fossil known from the lower and middle Cambrian of British Columbia (Canada), Idaho and Utah (USA), as well as from Yunnan and Guizhou provinces (China), is now reported from the middle Cambrian of Murero (Zaragoza, Spain), which is the first record in the Acadobaltic province. The only fragment...
Article
Bioturbation structures from Ponta das Bicudas in Santiago Island, Cape Verde Archipelagoare located in coarse-grained biocalcirudite sandwiched between basaltic lavas of the Upper Pleistocene Assomada Formation. Four ichnospecies have been identified: Rhizocorallium commune irregulare, Rhizocorallium jenense versum, nov ichnosubsp., Alaichnus kabu...
Article
Full-text available
Pates et al. (2017) and Pates and Daley (2017) reinterpreted a number of presumable xenusians (lobopodians) and described some new fossils from various Cambrian Lagerstätten as radiodontan (anomalocaridid) frontal appendages. The authors suggested that some features including overall length of a specimen, a number of tentative podomeres, a number o...
Conference Paper
Full-text available
Carbonate outcrops in Sarawak, Malaysia provide invaluable information about the architecture of Neogene carbonate platforms. The Subis Platform, composed of the Subis Limestone is one of the very few outcrops in Malaysia that is large enough to reveal vertical and lateral facies relationships. The Subis Platform is a conspicuous hill that extends...
Article
The high economic pressures have shifted the interest in shale resource plays from gas to gas condensates and oil. Geochemically, this is a shift in research perspective from mere knowledge of the organic carbon content of the host rock to the kind, maturity, and extent of heterogeneities in the distribution of the organic components of the shale....
Article
Full-text available
The Luconia Province – offshore Sarawak – is a key geological unit for understanding the distribution of hydrocarbon resources in Malaysia. Nevertheless, little effort has been made to address the palaeoenvironmental characteristics of the Tertiary carbonates in the key sector of Central Luconia. We study the sedimentology and petrography of core s...
Article
Full-text available
During the last decades, the presence of fossiliferous Cambrian strata was established in northwestern Langkawi Island, State of Kedah, Peninsular Malaysia (Lee, 1980, 2006; Mohd Shafeea Leman, 1997; Gámez Vintaned et al., 2016). Here the siliciclastic Machinchang Formation embraces a similar Cambrian interval – in base of its close sedimentologica...
Article
Diverse skeletal assemblage has been discovered in the Ediacaran/Cambrian strata of the Codos locality in NE Spain (Aragón, Cadenas Ibéricas). This assemblage includes at least seven genera, only three of which can be ascribed to known taxa. All the fossils are preserved in phosphate but their original microstructures are traceable by both elementa...
Chapter
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The exposed area of Bukit Putus, one of the Semanggol abandoned quarries in Bukit Merah (NNW of Taiping, Perak, Peninsular Malaysia) has allowed us to start a detailed study of the “black shales” of the chert unit of the Semanggol Formation. Presently, no integrated palaeoichnological-stratigraphical studies have ever been performed in the Semanggo...
Chapter
The isoelectric points of four shale samples from the Setap Formation, Sarawak basin, Malaysia, were determined and characterised using electrophoretic mobility analysis. The values recorded are relatively low within the acidic range of 2.61–4.87. These values were accounted for by the presence of organic matter and kaolinite mineralogical composit...
Article
The zeta potential properties of sixteen shale samples deduced from electrophoretic mobilities of particles under the influence of an electric field have been studied and characterized in relation to clay mineralogy. Variations in zeta potentials were ascribed to differences in mineralogy, specifically the layered silicates. Two main groups have be...
Article
Full-text available
Ethylene glycol monoethyl ether and single point Nitrogen-BET measurements were made on organic-rich shales from the potential source rocks of the Oligocene - Miocene Setap Formation from the Sarawak basin; Malaysia with the aim of determining the variants of specific surface area. To study the effects of organic matter content, aromaticity and min...
Article
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Electrophoretic mobility has been used to investigate the surface potential characteristics of six shale samples from the Setap Formation of the Sarawak basin-Malaysia. The zeta potential ranged between +80 and -80 mV. Apart from one sample that remained electronegative throughout the entire pH range of this investigation, all the samples exhibited...
Article
The type material of Agraulos antiquus Sdzuy, 1961 from the La Herrería Formation, northern Spain, is revised together with additional material and included in the new genus Lunagraulos. The stratigraphical range of Lunagraulos antiquus (Sdzuy, 1961) – occurring below that of the trilobite species of the genera Lunolenus, Metadoxides and Dolerolenu...
Conference Paper
Full-text available
A pioneering palaeontological interpretation centre – first of its kind in Europe – has recently been set in the heart of the Luna River Valley, a unique natural site in the north of the León Province (N Spain). Located up in the Cantabrian Mountains, the natural heritage of the area is extraordinary, being protected as a natural park. The centre i...
Article
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A suggested early Cambrian chemosymbiotic sponge Decumbispongia is interpreted as a possible ecdysozoan coprolite or a a cololite (fossil digestive tract.
Article
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Several families of Diptera are known to be active burrowers. Fly larvae of the genus Symplecta (family Limoniidae) were observed in a sandy substrate of an orange grove in Lepe, SW Spain. Traces produced by Symplecta display: (1), a proximal segment characterized by a winding furrow trail; (2), an intermediate part consisting of burrow segments ar...
Conference Paper
Full-text available
Hasta el día de hoy, la primera icnita de dinosaurio descrita en España pasa por ser la del Kimmeridgiense de Arroyo Cerezo, en el sistema Ibérico (término de Castielfabib, Rincón de Ademuz, Comunidad Valenciana) (Gillain y Belinchón, 2010). Esta “icnita” fue localizada por Gillain en un bloque caído de caliza marina probablemente del Kimmeridgiens...
Article
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In summary, we agree with Rogov et al. in considering the Nenoxites-Gaojiashania group of meniscate trace fossils as bioturbation products, but not as bilaterian (animal) traces originating via ingestion and defecation. Rather, this ichnofabric pattern better fi ts the activity of mycetozoan plasmodia and slugs, which are driven by chemical stimuli...
Article
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The work “Perì líthon” or Teofrasto’s “Treatise of stones” has been considered the oldest text still available about minerals and rocks, even though it has remained incomplete. In this paper, the study of its contents shows that eleven of the stones called by geographic or cryptic names are either fossils from plants or vertebrates or chemical foss...
Article
The classical lower-middle Cambrian boundary is approximately equivalent with the boundary of the Cambrian Series 2 and 3, which is now in the process of definition by the International Subcommission on Cambrian Stratigraphy. Currently, there are two oryctocephalid trilobite species first appearance data (FAD) that are suggested as possible markers...
Article
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New finds of skeletal fossils in the terminal Neoproterozoic of the Siberian Platform and Spain. Acta Palaeolntologica Polonica 57 (1): 205-224. doi:10.4202/app.2010.0074 A current paradigm accepts the presence in the terminal Neoproterozoic (Ediacaran) of weakly biomineralized animals only, barely above a low metazoan grade of organization, and a...
Article
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Exoskeletal abnormalities in middle Cambrian paradoxidid trilobites from Purujosa (Eastern Iberian Chain, NE Spain) are herein analyzed for the first time. Two distinct types are reported. The first is represented by triangular or asymmetrical V-to W-shaped breaks on margins of isolated sclerites (cranidia, free cheeks and hypostomes). The second g...
Article
Full-text available
The demosponge genus Crumillospongia, originally described from the Burgess Shale (middle Cambrian of Canada), has only been cited from lower and middle Cambrian localities of North America and China. The taxon is now also described from uppermost lower Cambrian rocks of the Murero Lagerstätte (Zaragoza Province, NE Spain). Crumillospongia mureroen...
Chapter
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A new xenusian, Mureropodia apae gen. and sp. nov., is found in the lower Cambrian of the Murero Lagerstätte in the Cadenas Ibéricas, NE Spain. In Mureropodia, the lobopod length/body width ratio reveals that this animal hardly was able to walk on the bottom surface. Possibly, it could use the limbs for anchoring the body to the substrate. A well-d...
Article
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Palaeoscolecidans are a key group for understanding the early evolution of the Ecdysozoa. The Palaeoscolecida possess a terminal mouth and an anus, an invertible proboscis with pointed scalids, a thick integument of diverse plates, sensory papillae and caudal hooks. These are features that draw a secret out of these worms, indicating palaeoscolecid...
Article
The intra-Vendian (Ediacaran)-intra-Tremadocian succession of the Cadenas Ibericas in NE Spain is divided into nine sequences. Overall, these are interpreted as second-order sequences. Those that encompass Lower and lower Middle Cambrian carbonates, with identified transgressive systems tract (TST) and highstand systems tract (HST) phases, may cons...
Data
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We describe the first occurrence of the problematic fossil Gaojiashania outside China, in the Ediacaran Yudoma Group of the Siberian Platform. In both areas, Gaojiashania characterizes the lower upper Ediacaran strata and precedes the appearance of Cloudina and other skeletal fossils, which highlights its significance for the Ediacaran subdivision...
Chapter
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The documentary explains one of the biggest events in the history of life to every kind of publicum: the Cambrian explosion of life. It opens with a summary description of Precambrian Earth and life, with particular emphasis on the biota of the Ediacaran Period. It then focuses on palaeontological highlights of the Precambrian/Cambrian transition a...