Direccion de Geologia Ambiental y Aplicada

Buenos Aires, Argentina

Direccion de Geologia Ambiental y Aplicada

Buenos Aires, Argentina

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Pereyra F.,Direccion de Geologia Ambiental y Aplicada | Boujon P.,Direccion de Geologia Ambiental y Aplicada | Gomez A.,Direccion de Geologia Ambiental y Aplicada | Tello N.,Direccion de Geologia Ambiental y Aplicada | And 2 more authors.
Revista de la Asociacion Geologica Argentina | Year: 2010

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.


Periurban Farming has become a relevant issue for the territorial planning because it involves matters that affect not only the present use of land but also its projection in the future such as sustainability, food security and poverty. The periurban areas with a strong potential of growth confront problematic subjects such as urban sustainability and food security for the population. Florencio Varela, one of the districts in the second ring of the Metropolitan Area Buenos Aires, has 65% of its area corresponding to rural soil. This is a key feature to help accomplish a project that seeks the consolidation of Florencio Varela as a periurban farming district in the "green belt" of Buenos Aires. The current document promotes the production of organic food in the rural area of Florencio Varela in order to generate occupation and labour capability. Moreover, through the implementation of a Cooperative Market, it tends to favour the sustainable development of the district with products that supply the local food requirements and safety. The project takes into account superficial geological soils, and the particular socioeconomic structure of AMBA in order to achieve sustainability to the periurban farms of the district of Florencio Varela. The social, environmental and economic object is to work out the following themes: 1) Restitution of deep soil removed areas through "composts" produced in the garbage dumps of the area; 2) Work capability to local unemployed population in order to reinsert them in the social range, 3) Improvement of food quality and security for the population, and 4) Control over the arbitrary growth of the urban surface of the Metropolitan Area Buenos Aires.


Pereyra F.,Direccion de Geologia Ambiental y Aplicada | Roverano D.,Direccion de Geologia Ambiental y Aplicada
Revista de la Asociacion Geologica Argentina | Year: 2010

Criogenic landforms are distinctive features in the Patagonic Andes. A fossil rock glacier, located in Cerro Catedral Zone is studied. Main features, genesis and palaeoclimatic implicances are considered. Studied zone is located in Cerro Catedral northern sector (41°10'S / 71°27'O), south west of San Carlos de Bariloche city close to Villa Catedral. Ocurrence of rock glaciers in the area resulted of the combination of several factors such as a colder and lightly drier weather than the present climate and a high coarse debris availability due to weathered and jointly outcropping rocks. Congelifraction is the main weathering process that supplied the debris. Landscape features, like height and geomorphologically instability due to rapid deglatiation, were also remarkable factors. Siltysize cineritic materials participation as slope cover was important, since they allow interstitial-ice and flowing of debris.

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