Results 31 to 40 of about 11,460 (163)

Caracterización geoquímica de los leucogranitos de Lumbrales: influencia de la deformación en el modelo magmático. Definición de dos tendencias e implicación en los procesos petrogenéticos

open access: yesEstudios Geologicos, 1991
Los efectos compresivos sobre rocas graníticas de la región de Lumbrales (O Salamanca) relacionados con fases de deformación sin-tardimagmáticas, caracterizan a aquéllas, química y mineralógicamente, con una tendencia que si no se tienen en cuenta ...
A. I. García Luis
doaj   +1 more source

The Evolution of the Cocos‐North America‐Caribbean Triple Junction From Detrital Zircon Analysis

open access: yesTectonics, Volume 44, Issue 8, August 2025.
Abstract The tectonic framework and Cenozoic evolution of the Cocos–North America–Caribbean (Co–NA–Ca) triple junction remain subjects of major geological importance due to their complexity and regional impact. New U–Pb zircon geochronology of detrital sediments and detailed structural and geomorphic mapping from southern Chiapas, Mexico, provide ...
Mattia Parolari   +7 more
wiley   +1 more source

Carlos F. Stubbe (1884-1964): Minero, bibliófilo, escritor

open access: yesRevista del Museo de La Plata, 2016
El ingeniero de minas sueco Carlos Federico Stubbe (1884-1946), tuvo una importante y a la vez desconocida actuación en nuestro país. Se presentan en este trabajo datos biográficos inéditos producto de una minuciosa búsqueda en archivos y viejos ...
Ricardo N. Alonso   +2 more
doaj   +1 more source

Mineralogy with Touch [PDF]

open access: yes, 2018
En este trabajo se describe la actividad (taller-exposición) de divulgación científica inclusiva realizada dentro del Proyecto Mineralogía con Tacto de la Universidad de Sevilla y en colaboración con la Organización Nacional de Ciegos Españoles (ONCE).
Durán Labrador, Mª Valle   +7 more
core  

Rupture and Relamination of Continental Lithosphere in a Subduction System (Variscan Orogeny, SW Iberia)

open access: yesTectonics, Volume 44, Issue 7, July 2025.
Abstract Relamination is closely connected to subduction zones. Despite the numerous high‐P metamorphic belts recognized on Earth, relamination remains a poorly documented process. We present a continental subduction zone where the exhuming high‐P rocks became a relaminant under the upper plate.
Rubén Díez Fernández   +7 more
wiley   +1 more source

Tracking the Caribbean Magmatic Evolution: The British Virgin Islands as a Transition Between the Greater and Lesser Antilles Arcs

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 6, June 2025.
Abstract The British Virgin Islands (BVI) archipelago, located between the Greater Antilles and the Lesser Antilles, is a key location to study the geodynamic evolution of the Caribbean plate. Geochemistry of the studied samples reveals typical volcanic arc signatures, including a calc‐alkaline affinity, strong negative HFSE anomalies, and LILE ...
Noémie Bosc   +8 more
wiley   +1 more source

Datos históricos relevantes de la División Geología del Museo de La Plata : desde Rodolfo Hauthal hasta Alfredo J. Cuerda [PDF]

open access: yes, 2013
Fil: Cingolani, Carlos Alberto. División Geología. Facultad de Ciencias Naturales y Museo.
Cingolani, Carlos Alberto
core  

Rift‐Related Low‐Pressure–High‐Temperature Granulite Facies Metamorphism Generates Widespread Peraluminous Crustal Melts: Evidence From the Early Jurassic Mexican Crust

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 5, May 2025.
Abstract High heat fluxes occurring in rift settings are expected to generate partially melted low‐pressure–high‐temperature granulites (LP–HTG). Therefore, studying these rocks can offer valuable insights into crustal reworking during extension. However, our interpretations are limited by the rarity of LP–HTG in the metamorphic record.
Anthony Ramírez‐Salazar   +4 more
wiley   +1 more source

Wilhelm von Eschwege (1777 – 1856)

open access: yesBoletim Geográfico do Rio Grande do Sul, 2014
Trata sobre o pesquisador das áreas de geologia e mineralogia. Artigo originalmente publicado na Revista Brasileira de Geografia, ano III, julho-setembro de 1941.
Maria Fagundes de Souza Docca Pacheco
doaj  

Alguns Gastrópodes Pleistocênicos (Formação Xaraiés) do Município de Bonito, Mato Grosso do Sul. [PDF]

open access: yesAnuário do Instituto de Geociências, 2007
A Formação Xaraiés foi caracterizada em1945 (Almeida, F. F. M., 1945. Boletim da Divisãode Geologia e Mineralogia, (116):1-18) como umaunidade de carbonatos originados por depósitos decones de dejeção, de provável idade pleistocênica,ocorrendo nos ...
Sandro M. Scheffler, Norma C. Salgado
doaj  

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