Results 51 to 60 of about 52,738 (228)
The eoorthid brachiopod Apheoorthina in the Lower Ordovician of NW Argentina and the dispersal pathways along western Gondwana [PDF]
The eoorthid brachiopod Apheoorthina is reported for the first time from the Lower Ordovician of NW Argentina. It is represented by a species similar to A.
Benedetto, Juan Luis Arnaldo +1 more
core +2 more sources
Las plantas vasculares de los afloramientos rocosos de Suesca, Cordillera Oriental Colombiana
Se muestrearon las plantas vasculares presentes en tres tipos de afloramientos rocosos del municipio de Suesca, departamento de Cundinamarca (Colombia), ubicados entre 2.800 y 3.000 m de altitud. Estos afloramientos se denominan Valle de Los Halcones (VH), Farallones de Suesca (FS) y Los Monolitos (LM) y son los sitios predilectos para la escalada ...
Avellaneda-Cadena, Carolina +1 more
openaire +3 more sources
Bending the Sierra Madre Oriental: A Paleocene Orocline
Abstract The Sierra Madre Oriental belt of the Mexican thin‐skinned fold‐and‐thrust belt, which formed during the Late Cretaceous due to the subduction of the Farallon Plate beneath North America, exhibits a pronounced curvature of approximately 100°, concave to the southwest.
Rafael Guerra Roel +5 more
wiley +1 more source
Se describen aquí las nuevas especies Eleutherodactylus obmutescens, E. racemus y E. simoterus, del grupo unistrigatus, provenientes de los Páramos de Puracé, Las Hermosas y Letras, respectivamente, en la Cordillera Centralde Colombia. Estas especies son
Lynch John D.
doaj
La napa de Calazaya : una prueba de acortamientos importantes controlados por elementos paleoestructurales en los Andes bolivianos [PDF]
Una napa tectonica de desplazamiento importante se evidencia en el limite Altiplano-Cordillera Oriental de Bolivia (20° S). Su emplazamiento proviene del transporte hacia el Este de un amplio dominio aloctono en el Oligoceno Superior-Mioceno Inferior. El
Baby, Patrice +3 more
core
Los Hammatoceratinae constituyen una de !as subfamilias de ammonoideos que estan presentes en los materiales del Lias y del Dagger del Norte de España, con un registro escaso en relación al resto de los ammonoideos. Se han distinguido 43 especies y 7 generos que se distribuyen desde la Zona Variabilis (Subzona Illustris) del Toarciense hasta la Zona ...
openaire +2 more sources
Local vegetation structure and landscape composition significantly affect butterfly diversity, underscoring the role of habitat quality in shaping butterfly assemblages ABSTRACT Urbanization poses a significant threat to biodiversity, reducing native species diversity in cities.
Nathali Coral‐Acosta +3 more
wiley +1 more source
Conodonts from the Cambrian-Ordovician Boundary in the Cordillera Oriental, NW Argentina
The Cambrian-Ordovician boundary in NW Argentinawas originally proposed for the lower upper section of the Cardonal Formation in the Amarilla Creek, Cajas Range, Cordillera Oriental of Jujuy, based on the first appearance of the conodont Cordylodus lindstromi.
Albanesi, Guillermo Luis +4 more
openaire +2 more sources
Studies in Colombian Asteraceae: first report of the genus Tragopogon L.
As result of recent explorations in the Andean Cordillera Oriental of Colombia, Tragopogon porrifolius L. (Asteraceae: Cichorieae) is reported for the first time for this country.
Diego Giraldo-Cañas +2 more
doaj +1 more source
Fluvial dynamics on inverted rifts from the χ parameter: application to the Eastern Cordillera of Colombia and other reference mountain belts [PDF]
The aim of this study lies in the extraction of the dynamic state of the drainage network in mountain belts that derive from rift inversion, such as the Eastern Cordillera of Colombia.
Struth, Lucía, Teixell, Antonio
core

