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Revista de la Asociación Geológica Argentina

versión impresa ISSN 0004-4822

Resumen

PONCE, María Beatriz. Superficial alterations developed on rocks in urban and natural environments. Rev. Asoc. Geol. Argent. [online]. 2010, vol.66, n.4, pp. 529-534. ISSN 0004-4822.

A geoscientific study was accomplished to evaluate suitability for urban developments the in carboniferous basin of the Turbio River. This research included the characterization of natural resources: soil, water and landscape; the evaluation of natural and anthropic hazardous areas and the loss of farming and green lands. The implied area is located in the SW end of the Province of Santa Cruz. It is part of the carboniferous basin of the River Turbio. The towns of Rio Turbio and 28 de Noviembre hold the most numerous populations. These two locations developed from mining and cattle breeding activities. Taking into account geological, geomorphological, biotic, geotechnical, hydrological and soil features, eight (8) Landscape Units were identified and, resultant from the information produced, a Map of Aptitude for the urbanization of the area was produced as a basic input for the urban development plan. The landscape units found to have better possibilities for urban expansion are two: Moraine with herbaceous steppe and glacifluvial plains with mixed steppe. The erosive glacier with forests and fluvial terraces have acceptable conditions for urbanization, while the valley borders, canyons and alluvio-colluvial slopes, polygenetic Tertiary hills and mallines (humid meadows) and Lowlands are, for several reasons, units inappropriate for urbanization.

Palabras llave : Alteration; Rocks; Heritage; Environments.

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