Results 11 to 20 of about 972 (137)

Are Volatiles From Subducted Ridges on the Pampean Flat Slab Fracking the Crust? Evidence From an Enhanced Seismicity Catalog

Geochemistry, Geophysics, Geosystems, Volume 24, Issue 10, October 2023., 2023
Abstract Seamounts and ridges are often invoked to explain subduction‐related phenomena such as flat slab generation, but the extent of their involvement remains controversial. An analysis of seismicity in the region of the Pampean flat slab through an application of an automated catalog generation algorithm resulted in 35,924 well constrained local ...
A. Maharaj, S. Roecker, P. Alvarado, S. Trad, S. Beck, D. Comte   +5 more
wiley   +1 more source

Análisis faunístico del sitio Quequén Salado 1. Subsistencia de cazadores recolectores del Holoceno tardío en el litoral marítimo pampeano

Revista del Museo de Antropologia, 2020
Quequén Salado 1 es un sitio localizado en la margen izquierda del río homónimo (partido de Tres Arroyos, provincia de Buenos Aires, Argentina) y a pocos kilómetros de la línea de costa actual.
Diego Catriel Leon
doaj   +1 more source

Distribución y variabilidad de la precipitación en la Región Pampeana, Argentina

Cuadernos de Investigación Geográfica, 2016
La Región Pampeana argentina es el principal centro de producción agropecuario del país y su economía depende, entre otros factores, del régimen de la precipitación.
V. S. Aliaga, F. Ferrelli, E. D. Alberdi-Algarañaz, V. Y. Bohn, M. C. Piccolo   +4 more
doaj   +1 more source

Aplicación del método de reconstrucción y balance de sustancias al estudio de la degradación de la fertilidad de suelos en la Región Semiárida Pampeana

Semiárida, 2020
Se detallan los fundamentos del método de reconstrucción y balance de sustancias y se consideran las posibles aplicaciones a estudios de degradación de suelos en la región semiárida pampeana, así como los parámetros utilizables a tal fin.
D. E. Buschiazzo
doaj  

Sinningia pampeana sp. nov. (Gesneriaceae) from the Pampa's rocky outcrops in southern Brazil and Uruguay

Nordic Journal of Botany, EarlyView.
Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii.
Gabriel Emiliano Ferreira, Daniel Alves Spiazzi, Pedro Henrique Sonsim Barbieri, Alain Chautems, Andréa Onofre Araújo   +4 more
wiley   +1 more source

All Roads Lead to China: Argentina's Beef Exports in the Context of a New Subordinate Complementarity

Journal of Agrarian Change, Volume 26, Issue 3, July 2026.
ABSTRACT This article analyses the recent expansion of Argentina's beef exports in the context of China's emergence as the world's leading beef importer and the principal destination for Argentine exports. It examines shifts in production, export orientation and domestic consumption, and analyses the export‐oriented fractions of meat capital that have ...
Emilia Ormaechea, Bruno Capdevielle, Christin Bernhold   +2 more
wiley   +1 more source

Fault Friction, Plate Rheology, and Mantle Torques From a Global Dynamic Model of Neotectonics

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract Improvements in software, parallel computing, global data sets, and laboratory flow‐laws help to develop the global Earth5 thin‐shell finite‐element model of Bird et al. (2008, https://doi.org/10.1029/2007jb005460) into a benchmark study. All experiments confirm that modeled faults (other than megathrusts) have low effective friction of 0.085 ±
Peter Bird, Jon Bryan May, Michele M. C. Carafa   +2 more
wiley   +1 more source

Giant Porphyry Copper Deposits Caused by a Slab Jamming in the Mantle Transition Zone

Terra Nova, Volume 38, Issue 2, Page 106-115, April 2026.
ABSTRACT Two giant porphyry copper deposits in the Southern Central Andes formed during the Miocene–Pliocene transition when a bend in the subducting Juan de Fernández hotspot chain jammed in the mantle transition zone, causing mega‐scale slab‐kinking. This geometry implies mechanical resistance that caused East–West compression and eventually a thrust‐
Nipaporn Nakrong, Marnie Forster, Wim Spakman, Hielke Jelsma, Francois Gaboury, Gordon Lister   +5 more
wiley   +1 more source

Contenido de Cu, Mo y Fe en arbustos y subarbustos de la Región Árida Pampeana

Semiárida, 2020
A partir de marzo de 1987 y durante un año se realizaron cortes bimensuales en 26 especies de arbustos y subarbustos que se desarrollan e n la región árida pampeana para estudiar su contenido en Cu, Mo y Fe.
N. B. Reinaudi, G. Lorda, J. Vaquero
doaj  

Dyckia semperflorenssp. nov. (Bromeliaceae: Pitcairnioideae) from the cold region of Rio Grande do Sul, southern Brazil

Nordic Journal of Botany, Volume 2026, Issue 1, January 2026.
Dyckia semperflorens (Bromeliaceae: Pitcairnioideae) is described as a new species from the temperate climate region of Rio Grande do Sul state, southern Brazil. The new species belongs to the Dyckia encholirioides complex and is closely related morphologically to Dyckia monticola, which is endemic to the Quiriri mountain range, a high‐altitude region ...
Henrique Mallmann Büneker, Jorge Ernesto de Araujo Mariath   +1 more
wiley   +1 more source