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Lomas Bayas, San Rafael Department, Mendoza, Argentina

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Elevation: 2,099 m. asl.
It is located 108 kilometres to the West, in a straight line from the city of San Rafael and about 20 km to the West the Provincial route Nº 101.
Concentration of fossils of bivalve pterioideous. Belonging to Agrio Formation, late Valanginian. Mineralized with Calcite, Chalcedony and Opal.

Mineral List

6 entries listed. 4 valid minerals.

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Aguirre-Urreta, M. B.(1), Rawson, P. F.(2), Concheyro, G. A.(1), Bown, P. R.(2) & Ottone, E. G.(1).
(1) Laboratorio de Biestratigrafía de Alta Resolución, Departamento de Ciencias Geológicas, Universidad de Buenos Aires, Pabellón II, Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina (e-mail: aguirre@gl.fcem.uba.ar).
(2) Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT, UK.

Mineral and/or Locality  
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