Results 91 to 100 of about 52,738 (228)

RIVER DYNAMICS IN THE CORDILLERA ORIENTAL OF THE ANDES (NORTHWESTERN ARGENTINA)

open access: yesItalian Journal of Engineering Geology and Environment, 2008
The paper describes the river dynamics and slope dynamics processes taking place in the section of the Andes in northwestern Argentina (Cordillera Oriental Unit), analyzing the causes in terms of agents, factors and conditions. The rising of this area of the chain is at the basis of the erosion and debris flow phenomena found there, which are favored ...
openaire   +1 more source

New records of Tremadocian conodonts (Early Ordovician) from the Zenta Range, Jujuy Province, Argentina [PDF]

open access: yes, 2013
THE study area is located nearby the Santa Ana village, province of Jujuy, in the Zenta Range of the Cordillera Oriental, northwestern Argentina. Localities can be reached by the national Route 9 to the town of Humahuaca, then continue to the East ...
Albanesi, Guillermo Luis   +3 more
core   +1 more source

The Cambrian System in Northwestern Argentina : stratigraphical and palaeontological framework [PDF]

open access: yes, 2003
Cambrian sequences are widespread in the early Paleozoic of the Central Andean Basin. Siliciclastic sediments dominate these sequences although several minor occurrences of carbonates and volcanic rocks have been observed.
Aceñolaza, G. F.   +3 more
core   +2 more sources

UNA NUEVA ESPECIE DE SOLANUM SECCIÓN GEMINATA (SOLANACEAE) DE COLOMBIA

open access: yesCaldasia, 2006
Se describe Solanum sagittantherum Granados-Tochoy & C.I. Orozco, una nuevaespecie de Solanum sección Geminata encontrada en la Cordillera Oriental de losAndes de Colombia. Se presenta información sobre su distribución, hábitat y taxonomía.
GRANADOS-TOCHOY JUAN CARLOS   +1 more
doaj  

Una nueva especie de Hyla del grupo Bogotensis (Amphibia: Anura: Hylidae) de la Cordillera Oriental de Colombia Una nueva especie de Hyla del grupo Bogotensis (Amphibia: Anura: Hylidae) de la Cordillera Oriental de Colombia

open access: yesCaldasia, 1991
A new species of Hyla is nomined from occidental slopes, northern Cordillera Oriental, Colombia; Hyla Iynchi differs from other hylid frogs of the H.
Ruíz Carranza Pedro M.   +1 more
doaj  

Anisograptus Mojotorensis sp. nov. en el Tremadociano temprano del norte argentino [PDF]

open access: yes, 2011
Se da a conocer Anisograptus mojotorensis sp. nov., una nueva especie de anisográptido trirradiado, que en posición horizontal tiene simetría pseudo-cuadrirradiada.
Monteros, Julio A., Moya, Maria Cristina
core  

ERYTHROXYLUM RIVERAE (ERYTHROXYLACEAE): UNA NUEVA ESPECIE DE LOS ANDES COLOMBIANOS Erythroxylum riverae (Erythroxylaceae): a new species from the Colombian Andes

open access: yesCaldasia, 2010
Se describe e ilustra Erythroxylum riverae, una especie nueva del norte de la cordillera Oriental colombiana, en los departamentos de Santander y Norte de Santander.
Jara Orlando, García Juan Diego
doaj  

La cordillera oriental colombiana no se desprende de la cordillera central

open access: yes, 1999
Geologically the Central and Eastern Cordilleras depict different periods of genesis and different types of rocks which allow them to keep their identities and independence from Colombia to Bolivia; however, in the area of study are connected by a bridge formed by a recent geomorphollogical feature which is the result of combined tectonic and volcanic ...
openaire   +1 more source

Nautiloideos del Triásico Medio en la Cordillera Ibérica y en la parte oriental de las Cordilleras Béticas [PDF]

open access: yes, 1996
[ES] En el presente trabajo se dan a conocer las sucesiones de los nautiloideos obtenidos en cada una de las cuencas estudiadas, así como sus implicaciones biocronoestratigráficas. En la parte oriental de las Cordilleras Béticas existe el siguiente registro de nautiloideos: — Grypoceras cf? privatum (MOJSISOVICS).
Goy Goy, Antonio   +1 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy