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115  Articles
1 of 13 pages  |  10  records  |  more records»
New data and a biostratigraphic review on Silurian graptolites of the La Chilca Formation are presented. Silurian retiolitids and monoserial graptolites are described for the first time in the lower layers of the Salto Macho Member at the Poblete Norte se... see more

The Ordovician System is extensively represented in the Precordillera of San Juan Province, Argentina. At the Cerro La Chilca in the Jáchal area, the limestone of the San Juan Formation is paraconformably overlain by interbedded limestone and shale of the... see more

This study deals with the conodont biostratigraphy from the uppermost part of La Silla Formation (9.6 m) and the overlying San Juan Formation (264.7 m), at the Cerro La Silla section, Central Precordillera of San Juan, Argentina. The 41 samples of carbona... see more

En este trabajo se describen las sedimentitas carbónicas de dos localidades de la Precordillera riojana: cerro Veladero y río del Peñón. Se dan a conocer los perfiles detallados, los ambientes de sedimentación, la proveniencia del material elástico y la e... see more

Las evidencias de los sitios Pampa El Muerto 3 (PM-3), Pampa El Muerto 8 (PM-8) y Tangani 1 (TAN-1) permiten reafirmar que el arte rupestre de la precordillera en el extremo norte de Chile se asocia a una colonización más bien tardía de este espacio, hace... see more

El propósito de este trabajo fue conocer las actitudes, percepciones y preferencias de visitantes por los paisajes precordilleranos de Santiago. Se construyó y aplicó un cuestionario a visitantes y se realizaron entrevistas en distintos sitios de la preco... see more

The present study deals with the conodont biostratigraphy from the middle and upper parts of the San Juan Formation (Lower-Middle Ordovician) exposed at the Los Gatos creek section, west of the cerro Viejo de Huaco, Central Precordillera of San Juan Provi... see more

The Rinconada Formation is a mélange that crops out in the eastern margin of the Argentine Precordillera, an exotic terrane accreted to Gondwana in Ordovician times. Its gravity-driven deposits have been studied by means of conodont and graptolite biostra... see more

Middle Darriwilian to lower Sandbian conodonts were recorded from the Las Aguaditas Formation at its type section in the Argentine Precordillera. A total of 9,974 conodont specimens were recovered from 46 carbonate samples, which represent 68 species of 3... see more

1 of 13 pages  |  10  records  |  more records»