Acta Geológica Lilloana 15 (3) (1981)

Comunicación

• Historical analysis of the geological knowledge of La Rioja, Argentina

  Florencio G. Aceñolaza

  9-12

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• Some hydric aspects of the province of La Rioja, Argentina. Possibilities of use

  Fernando Castaño

  13-18

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• Review of the discovery of fossil traces in the Patquia Formation (Permian), in the Cuesta de Miranda, La Rioja province

  Víctor Hugo Contreras, Carlos Jorge Mira

  19-21

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• Carboniferous Paleogeography in the Paganzo Basin, Argentine Republic

  José Antonio Salfity, Sergio Antonio Gorustovich

  23-26

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• Structural causes of the northern wedging of the Precordillera

  Bruno A. Baldis, Matilde S. Beresi, Enrique R. Uliarte, Alejandro Vaca

  27-29

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• Stratigraphy and tectonic evolution of the Quebrada de La Rioja, Argentina

  Florencio G. Aceñolaza, Pablo Bortolotti

  31-39

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• Geological guidelines of the Eastern Basin of La Rioja between the Sierras de Velasco and the Sierra Brava (Argentina)

  Alfredo Tineo

  41-48

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• New contributions of gravimetry to the study of an East-West section through San Juan, La Rioja and neighboring areas (Argentina)

  Antonio Introcaso

  49-52

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• Hydrogeological characteristics of te Sañogasta area, Chilecito Department, La Rioja Province, Argentine Republic

  Omar Fernando Castaño, Horacio Enrique Crespo

  53-59

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• Geophysical geological section between El Estanquito and Puerto del Valle

  Horacio Enrique Crespo, Roberto Eduardo Ottonello

  61-66

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• La Fuente, Guayapa, groundwater discharge area of the Antinaco Valley, Los Colorados

  Mario V. J. Sosic

  67-74

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• Morphogenesis of the ?"barreales"? and its relationship with the deterioration of the landscape in the Catamarca Valley

  José Manuel Sayago

  75-85

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• Presence of a subvolcanic manifestation of Ordovician-Devonian age in the Sierra de Famatina

  Eduardo Peralta

  87-94

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• ynthesis of the copper-uranium mineralization in the area of river La Flecha, General Lavalle department, La Rioja province, Argentina

  Roberto Eduardo Zolezzi

  95-99

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• Description of the hydrothermal alteration fascies in the ?Nevado del Famatina? molybdenum-copper prospect, Sierra de Famatina, La Rioja, Argentina

  Ana Prieri de Vega

  101-104

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• Chromium content in basic and ultrabasic bodies of San Luis province (Argentina)

  Gabino F. Puelles, Horacio Perino, José C. Pedregosa, Juan C. Blasco

  105-113

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• Geology of Cerro Cacho and its surroundings, General Lamadrid department, La Rioja province (Argentina)

  Roberto E. Zolezzi, Miguel A. Guerrero

  115-125

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• Relieve topgraphical geological about mine "?María Antonio I-II-III-IV"?, Dto. Loma Negra, Dpto. Gral. Lavalle, La Rioja

  Miguel A. Combina

  127-132

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• Geological evaluation and calculation of reserves of the saline ?"El Leoncito"

  Juan Carlos Passarello

  133-140

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• Mining survey of Reserve Area 49 ?"Negro de Rodríguez", Catamarca

  Julio César Ávila

  141-150

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• Structural geological review of Reserve Area No. 49 "?Negro de Rodríguez?", Catamarca

  Julio César Ávila

  151-160

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• On a group of mineralizations located on the left bank of the Guandacol river, La Rioja province, Argentina

  Milka K. de Brodtkorb, Alejo Brodtkorb

  161-166

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