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Copahue Volcano In Chile Raised to Red Alert 

Chile's Copahue Volcano, which also shares its summit with neighboring Argentina, has been raised to alert level "RED" by Southern Andes Volcanological Observatory (OVDAS) after strong eruptive activity today. The volcano became restless a couple of weeks ago when tremor and minor steam, gas, and ash emissions were observed. A Facebook statement from the Smithsonian GVP stated: "...Red Alert status was maintained and increased seismicity was reported in yesterday's report by the [...]

Evacuations Near Copahue Volcano 

Thousands of small earthquakes have caused the governments of Chile and Argentina to order the evacuation of about 3000 people who live near Copahue Volcano on the southern border of those

New Locale Provides Insight to Floral Provincialism in Carnian Triassic Gondwana 

A new Late Triasssic phytogeographical scenario in westernmost Gondwana Authors: 1. Silvia N Césari (a) 2. Carina E Colombi (b) Affiliations: a. Museo Argentino de Ciencias Naturales, ‘B. Rivadavia’, Department of Palaeobotany, Avenida Ángel Gallardo 470, Buenos Aires 1405, Argentina b. Instituto y Museo de Ciencias Naturales, Universidad Nacional de San Juan, San Juan 5400,

Diegocanis elegans: A New Cynodont from Carnian-Norian Triassic of Argentina 

A new non-mammaliaform eucynodont from the Carnian-Norian Ischigualasto Formation, Northwestern Argentina Authors: 1. Ricardo N. Martinez (a) 2. Eliana Fernandez (a) 3. Oscar A. Alcobar (a) Affiliations: a. Instituto y Museo de Ciencias Naturales, Universidad Nacional de San Juan, Av. España, 400 (norte), 5400 San Juan, Argentina Abstract: The record of

More Biomakrer Data Characterizing the Ediacaran PaleoEnvironment From Argentinian Sediments 

Stable isotope (S, C) chemostratigraphy and hydrocarbon biomarkers in the Ediacaran upper section of Sierras Bayas Group, Argentina Authors: 1. M. Bagnoud-Velásquez (a) 2. J.E. Spangenberg (a) 3. D.G. Poiré (b) 4. L.E. Gómez Peral (b) Affiliations: a. Institute of Earth Sciences, University of Lausanne, 1015 Lausanne, Switzerland b. Centro de Investigaciones Geológicas,

Alert Status Raised at Chile’s Copahue 

It has been a few months since anything much as happened at Chile’s Copahue. Last December, the volcano had a couple small explosive eruptions that sent ash across the Chilean border into Argentina, but that activity didn’t seem to be

Gastroliths in Pterosaurs 

First occurrence of stomach stones in pterosaurs Authors: 1. Laura Codorniú (a) 2. Luis M. Chiappe (b) 3. Fabricio D. Cid (c) Affiliations: a. CONICET–Departamento de Geología , Universidad Nacional de San Luis , Chacabuco 917, San Luis (5700), Argentina b. The Dinosaur Institute, Natural History Museum of Los Angeles County , 900 Exposition Boulevard, Los Angeles , California ,

Reassing Glaciation in SW Gondwana During the mid-Carboniferous 

Reassessment of mid-Carboniferous glacial extent in southwestern Gondwana (Rio Blanco Basin, Argentina) inferred from paleo-mass transport of diamictites Authors: 1. Erik L. Gulbranson (a, b) 2. John L. Isbell (b) 3. Isabel P. Montañez (a) 4. C. Oscar Limarino (c, d) 5. Sergio A. Marenssi (c, d, e) 6. Kyle Meyer (a) 7. Clara Hull (a) Affiliations: a. Department

Paleoseismological papers in the BSSA April 2013 issue 

BSSA’s most recent issue is full of paleoseismological work. The April 2013 issue contains a number of papers dealing with old earthquakes in Turkey, California, Argentina, and Jamaica. Also, there’s info on earthquake catalogues in South America and China. A … Continue reading

Reportedly Late Triassic Bird-like Tracks are Actually From the Eocene 

A Late Eocene date for Late Triassic bird tracks Authors: 1. Ricardo N. Melchor (a) 2. Robert Buchwaldt (b) 3. Samuel Bowring (b) Affiliations: a. INCITAP (CONICET-UNLPam), Av. Uruguay 151, 6300 Santa Rosa, La Pampa, Argentina b. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts

Falkland Islands Wolf Mystery Solved 

University of Adelaide researchers have found the answer to one of natural history's most intriguing puzzles – the origins of the now extinct Falkland Islands wolf and how it came to be the only land-based mammal on the isolated islands – 460km from the nearest land, Argentina. Previous theories have suggested the wolf somehow rafted on ice or vegetation, crossed via a now-submerged

Científicos resuelven el misterio del lobo de las Malvinas. 

Científicos de la Universidad de Adelaida (Australia) han encontrado la respuesta a un misterio sin resolver desde hace 320 años: los orígenes del ahora extinto lobo de las Malvinas, el único mamífero en unas islas aisladas en medio del océano a 460 kilómetros de la tierra más próxima, Argentina.   Teorías anteriores han sugerido que el lobo se las arreglaba de alguna forma para

Hope Bay near Argentina’s Esperanza Station, Antarctic Peninsula, facing Antarctic Sound 

12 January 2013 Hope Bay near Argentina’s Esperanza Station, Antarctic Peninsula, facing Antarctic Sound It took a while to get started but in the end today’s landing earned an enthusiastic round of applause at dinner tonight. Multi-year pack ice and numerous bergs slowed our approach so after lunch we landed simultaneously at two sites on

Eruption at Copahue 

Copahue, a volcano on the border between Chile and Argentina began erupting Saturday. An eruption at this time last year cancelled hundreds of flights at the peak of the area’s tourist

Aerotitán Sudamericanus, un nuevo pterosaurio o reptil volador. 

Un pterosaurio que habitó Río Negro hace 65 millones de años fue presentado en sociedad en el Museo Patagónico de Ciencias Naturales. Los restos constituyen el primer hallazgo en Sudamérica de un reptil volador del Cretácico, la última de las eras de los dinosaurios.El pterosaurio ha sido apodado como Aerotitán Sudamericanus según su nombre en latín, "titán del aire Sudamericano". El animal sobrevoló los cielos de una Patagonia bastante alejada de lo que hoy conocemos. El ambiente [...]

Sphenocondor gracilis, un nuevo esfenodonte del Jurasico de Chubut. 

Un esfenodonte de 150 millones de años de antigüedad fue encontrado en el Cerro Cóndor, sobre el valle del río Chubut. Medía unos 15 centímetros y poseía una mandíbula fina que hace imaginar que se alimentaba de insectos.En el tiempo en el que vivió este reptil, el mundo era muy distinto. Solamente habían dos grandes continentes. Uno de ellos, llamado Gondwana, estaba en el hemisferio sur y estaba compuesto por las tierras que actualmente corresponden a Sudamérica, África, la [...]

Importante reconocimiento a la trayectoria de la Doctora Zulma Brandoni de Gasparini 

El 30 de noviembre la Academia Nacional de Ciencias Exactas, Físicas y Naturales reconocerá la extensa trayectoria de la Doctora Zulma Brandoni de Gasparini, nombrándola Académica Titular de esa prestigiosa institución. Gasparini es Profesora Titular en la cátedra de Paleontología Vertebrados de la Facultad de Ciencias Naturales y Museo,  integrante de la de la División Paleontología Vertebrados del Museo de La Plata e Investigadora Superior del Conicet. Nació en La Plata, [...]

Día del paleontólogo 

Con motivo de la fundación de la Asociación Paleontológica Argentina el 25 de noviembre de 1955 se celebra en Argentina el día del Paleontólogo.  ¡Feliz día a todos! La imagen es de Sole y Lucho Playmoholics. Nos lo chivó Ceci.

Postcranial Anatomy of a Late Triassic Sauropodomorph from Argentina 

Apaldetti, C., Diego Pol, D.,  and A. Yates. 2012. The postcranial anatomy of Coloradisaurus brevis (Dinosauria: Sauropodomorpha) from the Late Triassic of Argentina and its phylogenetic implications. Palaeontology (Early View) DOI: 10.1111/j.1475-4983.2012.01198.x Abstract - Basal sauropodomorphs from the Upper Triassic Los Colorados Formation of north-western Argentina have been known

Risky Business in Argentina 

Argentina is looking for foreign investors to develop its enormous oil and natural gas resource; however, energy experts say that investing in Argentina is