Holocene pisoliths and encrustations associated with spring-fed surface pools, Pastos Grandes, Bolivia

@inproceedings{Risacher1979HolocenePA,
  title={Holocene pisoliths and encrustations associated with spring-fed surface pools, Pastos Grandes, Bolivia},
  author={François Risacher and Hans Peter Eugster},
  year={1979}
}
Calcite pisoliths, with diameters ranging from 1 fo 200 mm, are forming now on the surface of a playa (salar) in the Andean Altiplano (4500 m above MSL) of Bolivia. They are associated with active or recently active hot springs (20-75°C) which flow onto the playa surface. Encrustations of pieces of an older caliche-type ' crust, of pisoliths, of indurated mud and of older concretions are also found as well as series of small (1-3 cm high) sinter terraces (rimstone dams). Arborescent concretions… CONTINUE READING
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