Results 11 to 20 of about 1,704,999 (235)

Extensional stresses in the Colombian Eastern Cordillera fold-and-thrust belt (northern Andes): insights from 2D finite element modeling [PDF]

open access: yesGeologica Acta, 2009
Deformation and stress characteristics in the upper crust of the fold-and-thrust belt in the Colombian Eastern Cordillera were investigated by numerical analysis.
R. ISLAM, D. HAYASHI
doaj   +6 more sources

Distribución de plantas nativas y exóticas a lo largo de gradientes de elevación en senderos de montaña en los Andes de Mendoza, Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica, 2023
Introducción y objetivos: El cambio climático, el ganado y el creciente uso turístico favorecen la dispersión de plantas exóticas, amenazando la conservación de los ecosistemas altoandinos.
María Alisa Alvarez   +4 more
doaj   +3 more sources

Phanerozoic Large Igneous Province, Petroleum System, and Source Rock Links

open access: yesGeophysical Monograph Series, Page 191-228., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Steven C. Bergman   +2 more
wiley  

+1 more source

Apropiación y control estatal de ambientes de altura en el extremo meridional del Tawantinsuyu

open access: yesEstudios Atacameños, 2021
Se presentan resultados sobre técnicas constructivas y patrones de ocupación del espacio, cronología, tecnología lítica, tipología y tecnología cerámica, zooarqueología de camélidos, antracología y arte rupestre, correspondientes a un conjunto de sitios
Víctor Alberto Durán   +12 more
doaj   +1 more source

Modern dextral strain controls active hydrothermal systems in the southeastern Canadian Cordillera

open access: yesGSA Bulletin, 2022
Thermal springs in the southeastern Canadian Cordillera occur in association with several major fault zones, which may permit deep circulation of fluid through fractured reservoirs to depths greater than 2 km.
Theron Finley   +4 more
semanticscholar   +1 more source

Líquenes epífitos de los Tepuyes de la cuenca alta del río Nangaritza, cordillera del Cóndor (Ecuador)

open access: yesCaldasia, 2022
Los trópicos albergan la mayor biodiversidad del planeta, pero todavía son zonas inexploradas. Entre estas áreas remotas se encuentran los Tepuyes del Valle de Nangaritza, en la provincia de Zamora Chinchipe, al sureste de Ecuador.
Noelia Fernandez-Prado   +3 more
semanticscholar   +1 more source

Genesis of hyper-enriched black shale Ni-Mo-Zn-Pt-Pd-Re mineralization in the northern Canadian Cordillera

open access: yes, 2022
Polymetallic (Ni-Mo-Zn-Pt-Pd-Au-Re) hyper-enriched black shales in the northern Canadian Cordillera consist of thin, semi-massive sulfides interbedded with black shale.
M. G. Gadd, J. Peter, D. Layton-Matthews
semanticscholar   +1 more source

Within plate seismicity analysis in the segment between the high Cordillera and the Precordillera of northern Mendoza (Southern Central Andes)

open access: yesGeodesy and Geodynamics, 2018
Crustal seismicity in northwestern Mendoza Province in Argentina, corresponding to the transition zone between the Chilean-Pampean flat subduction zone (26.5–33.5°S) and the Southern Central Andes normal subduction zone to the south, is studied in order ...
Julián Olivar   +3 more
doaj   +1 more source

Refugios naturales asociados al Qhapaq Ñan en el extremo austral del Tawantinsuyu

open access: yesRelaciones de la Sociedad Argentina de Antropología, 2022
Se presentan resultados de los análisis crono-estratigráficos y del material cerámico, lítico, arqueobotánico y zooarqueológico recuperado de un alero ubicado en la Cordillera Principal, sobre la traza del ramal transversal más meridional del Qhapaq Ñan.
Alejandra Gasco   +10 more
doaj   +1 more source

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