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Mattia Marini, Luca Maria Foresi, Viviana Barbagallo, Michelangelo Bisconti, Agata Di Stefano, Giovanni Muttoni and Ivan Martini
A c. 31 m thick section straddling the fossil find of an Early Pliocene baleen whale (?Brunella?, hereafter), made in 2007 in the sedimentary fill of the Middle Ombrone Basin of Tuscany, is investigated for depositional age and environment combining pala...
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Beatriz Coira,Claudia I. Galli,Suzanne Mahlburg Kay,Daniel F. Stockli,Patrocinio Flores,Emilio Eveling
Pág. 208 - 237
Ash-fall tuffs of the Pliocene-Pleistocene deposits of Humahuaca and Casa Grande intermountain basins, northwestern Argentina, have been differentiated into two groups based on new geochemical and geochronological data which correspond to the tuffs of th...
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Francisco Serrano
From the study of the planktonic foraminifer assemblages of the sediments of the Ocean Drilling Program (ODP)-Site 975 (Baleares), sea-surface temperature, seasonality and salinity for the Pliocene and Gelasian of the Western Mediterranean were estimated...
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Dmitry A. Ruban
Modern geoscience research pays significant attention to Quaternary coastal boulder deposits, although the evidence from the earlier geologic periods can be of great importance. The undertaken compilation of the literature permits to indicate 21 articles...
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Damián Pérez
Pág. 433 - 443
The scarcely known family Condylocardiidae (Bivalvia: Archiheterodonta) is poorly represented in the fossil record and their living representatives are also poorly known. This work presents a new representative of the family from the early Pliocene of ma...
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Luis Enrique Nieto-Barajas
Pág. 125 - 141
Paleoclimatology data includes measures of the amount of carbon dioxide in the atmosphere and level and temperature of the oceans, among others. Recent records of climate change data were done at equidistant times; the different variables were typically ...
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Luis Lara,Carolina Rodriguez,Hugo Moreno,Carlos Perez de Arce
Pág. 67 - 90
In the Andean Range, south of 39°S, there is a suite of eroded volcanic centres that includes remains of vents or proximal, intermediate or distal volcanic facies. New geochronological K-Ar data show that their ages are in the Late Pliocene-Middle Pleist...
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Markes E. Johnson
Atmospheric carbon dioxide reached a record concentration of 419 parts per million in May 2021, 50% higher than preindustrial levels at 280 parts per million. The rise of CO2 as a heat-trapping gas is the principal barometer tracking global warming attri...
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Stefano Vitale, Ernesto Paolo Prinzi, Francesco D?Assisi Tramparulo, Claudio De Paola, Rosa Di Maio, Ester Piegari, Monia Sabbatino, Jacopo Natale, Pasqualino Notaro and Sabatino Ciarcia
We present a structural study on late Miocene-early Pliocene out-of-sequence thrusts affecting the southern Apennine orogenic belt. The analyzed structures are exposed in the Campania region (southern Italy). Here, thrusts bound the N-NE side of the carb...
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Aldo Alván De la Cruz, Astrid Criales, Hilmar von Eynatten, Istvan Dunkl, Axel Gerdes, Javier Jacay
Pág. 17 - 38
The Camaná-Mollendo Basin is an active-margin depression ~NW-SE elongated, which is located in
the forearc of southern Perú and extends from the Coastal Cordillera to the Perú-Chile Trench. This basin consists of a
grabens and half-graben complex, filled...
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Alain Lavenu,Jose Cembrano
Pág. 67 - 87
Miocene-Pliocene and Quaternary intrusive rocks and sedimentary deposits from the Central Depression and the Main Cordillera, between 38 and 42º30'S, have been affected by local and regional brittle deformation. Microfault geometry and kinematic analysis...
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Alain Lavenu,Jose Cembrano
Pág. 67 - 87
Miocene-Pliocene and Quaternary intrusive rocks and sedimentary deposits from the Central Depression and the Main Cordillera, between 38 and 42º30'S, have been affected by local and regional brittle deformation. Microfault geometry and kinematic analysis...
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Charles R. Stern
Pág. 145 - 162
ABSTRACT. Between the Pliocene and the Present the volcanic belt from 33-34°S, at the northern end of the Southern Volcanic Zone (SVZ) of the Andes, narrowed into a single chain of volcanoes as the volcanic front migrated 35 km to the east and the bounda...
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Charles R. Stern
Pág. 145 - 162
ABSTRACT. Between the Pliocene and the Present the volcanic belt from 33-34°S, at the northern end of the Southern Volcanic Zone (SVZ) of the Andes, narrowed into a single chain of volcanoes as the volcanic front migrated 35 km to the east and the bounda...
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Alberto Collareta, Simone Casati and Andrea Di Cencio
The extinct ?false mako? shark, Parotodus benedenii (Lamniformes: Otodontidae), is essentially known from large, robust teeth that are widespread but overall rare in Oligocene to Pliocene deposits worldwide. More than 150 years after its description, thi...
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Caroline Behrman, Roy Van Arsdale, Youngsang Kwon, Kerry Stockslager, Dave Leverett and David Lumsden
Aerial drone photography of an active pit within a sand and gravel quarry in DeSoto County, Mississippi, was conducted to better understand the Upland Complex, which is a high-level Pliocene terrace of the Mississippi River. The Upland Complex is of grea...
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Norberto Malumian,Eduardo B. Olivero
Pág. 117 - 130
Deep-marine folded Oligocene and contrasting shallow marine subhorizontal Upper Miocene-Pliocene deposits, crop out at the Irigoyen River area within the Fuegian Andes folded belt. The Lower to Upper Oligocene (?Miocene) consists of folded conglomerates,...
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Daniel Frassinetti,Vladimir Covacevich
Pág. 47 - 73
ABSTRACT. Upper Pliocene marine mollusks from Guamblin Island, los Chonos Archipelago, southern Chile. Nineteen species belonging to bivalves (7) and gastropods (12) from Guamblin Island (Los Chonos Archipelago, Chile), are described and figured. Among t...
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Daniel Frassinetti,Vladimir Covacevich
Pág. 47 - 73
ABSTRACT. Upper Pliocene marine mollusks from Guamblin Island, los Chonos Archipelago, southern Chile. Nineteen species belonging to bivalves (7) and gastropods (12) from Guamblin Island (Los Chonos Archipelago, Chile), are described and figured. Among t...
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Charles R. Stern,Ricardo Floody,Domingo Espineira
Pág. 1 - 22
Mafic Mg-olivine (Fo88)+hornblende lamprophyre dikes, with Ni ~190 ppm and Cr ~390 ppm, cut late Miocene lavas in the Quebrada los Sapos a few kilometers west of the El Teniente Cu-Mo mine. These dikes have petrochemical affinities with other less primit...
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