Vol. 12 No. 1 (2005)

View Vol. 12 No. 1 (2005)

Cover Photo: Jasperoid body as a result of the replacement of calcite (Jurasic travertine) by silica. Manantial Espejo Mining District, Santa Cruz Province, Argentina. Coin diameter 31 mm. Foto: H. Echeveste.

Published: 2005-07-01

Editorial

LAJSBA: Our new reality

1-2
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Research Papers

Morphology and formation of glassy volcanic ash from the August 12-15, 1991 eruption of Hudson Volcano, Chile

3-21
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Erosive processes due to physical-biological interactions based in a cellular automata model

23-32
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Travertines and jasperoids of the Manantial Espejo, a Jurassic hot spring environment. Macizo del Deseado, Santa Cruz Province, Argentina

Horacio Echeveste

33-48
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Discussions and Replies

Discusión a: Aspectos sedimentológicos de arenas eólicas del Pleistoceno Tardío-Holoceno De la Provincia de La Pampa (Manuel Szelagowski , Marcelo Zárate y Adriana Blasi. AAS Revista 2004, 11(2):69-83)

Martín Iriondo, Manuel Szelagowski, Marcelo Zárate, Adriana Blasi

49-51
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