Acta Geológica Lilloana 15 (1) (1978)

Artículos

• Trilobite traces on basal Ordovician Layers from the Argentine Puna

  Florencio Gilberto Aceñolaza, Felipe Ramón Durand

  5-12

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• On the presence of lead (galena) minerals by means of replacement in limestones, Cuchilla de La Reina, Galpón district, Metán, Salta province (Argentina)

  Raúl Chomnales

  13-17

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• Trace fossils from the Patquía Formation on El Bordo Atravesado, Sierra de Famatina, La Rioja province

  Florencio G. Aceñolaza

  19-29

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• Structural outline of Sierra de Ancasti

  Hubert Miller

  31-39

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• On the presence of Prosauropod dinosaur in the Quebrada del Barro Formation, austral border of the Marayes-El Carrizal basin (Upper Triassic fo San Juan Province)

  Gerardo E. Bossi, J. F. Bonaparte

  41-47

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• Contribution to the geological knowledge of the southern range of Sierra La Candelaria, Salta prov., Argentine Republic

  Jaime Eduardo Powell

  49-58

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• Stratigraphy and sedimentology of Quebrada de Arca Yaco (Tolombón, Salta province, Argentina)

  Ricardo M. Palma

  59-78

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• The Laguna de los Pozuelos and its saline environment

  Antonio P. Igarzábal

  79-103

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• Lithology and sedimentology of the Lajas Formation (Middle Jurassic) in the southern part of the Neuquén Basin, Argentina

  Ulrich Rosenfeld

  105-117

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