Abstract
The hydrogeological background in Polanco formation (Ediacaran) has raised interest regarding the development of prospective models of groundwater flow. Field survey and photographic analysis (SGM, Google Earth and Drone Phantom 2 Vision+) were carried out to generate a 3D digital model of the geographical area in order to understand the morphoestructural features of karstic relief. Drilling data and geoelectric studies were also examined. Regular prospective techniques were complemented with remote access technologies, aiming to generate a specific prospective model for these lithologies. As a result, folds with inverted relief including sinkholes, limestone pavements, springs and wells with an average production of 30 m3/h. Hydrogeochemical analysis of groundwater shows dominant calcium-bicarbonate composition alike natural mineral water.
Highlights
Los acuíferos kársticos presentan un notable interés económico ya que la infiltración en rocas carbonáticas suele ser superior a la de los sedimentos detríticos, lo que resulta en aguas de muy buena calidad y caudales significativos
The hydrogeological background in Polanco formation (Ediacaran) has raised interest regarding the development of prospective models of groundwater flow
Field survey and photographic analysis (SGM, Google Earth and Drone Phantom 2 Vision+) were carried out to generate a 3D digital model of the geographical area in order to understand the morphoestructural features of karstic relief
Summary
Se consideraron para este estudio tres regiones donde aflora la Formación Polanco, en los departamentos de Treinta y Tres y Lavalleja, que de norte a sur se identifican como: a) Región I: Sinclinal del Este (Preciozzi, et al, 1988; Gaucher, 2000). B) Región II: Sinclinal del Arroyo Tapes Grande (Gaucher, 2000). C) Región III: alrededores de la ciudad de Minas (Gaucher, et al, 2004)
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