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- Title
GEOMORPHOLOGICAL UNITS IN ARCOS-PAINS KARST REGION, MINAS GERAIS, BRAZIL.
- Authors
BARBOSA TIMO, Mariana; PANISSET TRAVASSOS, Luiz Eduardo
- Abstract
The Arcos-Pains Karst Region is approximately 850 km², formed by massive carbonate rocks that host hundreds of caves, rock shelters and shafts. Many fossil discoveries exist in the region; one can also find rock paintings and other archaeological remains. A ruiniform landscape, weathered caves and continuous or isolated outcrops characterize the karst. They are cut by diaclasis, fractures and fissures, separated by flattened relief with dolines, uvalas, ponors and blind valleys. The evolution of karst morphology in the region reflects pluviometric and paleoclimatic variations, with faults and fractures from neotectonics events exerting control over water flows. One can observe four geomorphological compartments in this region, each with specific characteristics. The region is an outstanding example of the Brazilian intertropical karst and one of the most important Brazilian mineral deposits of limestone and dolomite. So, delimitating its geomorphological units can facilitate understanding the speleological heritage and guide strategic decisions for sustainable use.
- Subjects
MINAS Gerais (Brazil); BRAZIL; KARST; CARBONATE rocks; ROCK paintings; ORE deposits; CAVES; NEOTECTONICS; LIMESTONE; DOLOMITE
- Publication
Acta Carsologica, 2023, Vol 52, Issue 2/3, p219
- ISSN
0583-6050
- Publication type
Article
- DOI
10.3986/ac.v52i2-3.10129