Geology of the Sebaco depression surroundings,central Nicaragua

 

Pavel Havlíček, Vít Baldík, Ivo Baroň, Pavel Čáp, Roman Novotný

Geoscience Research Reports 42, 2009 (GRR for 2008), pages 213–215

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Abstract

The Sebaco depression of the strike-slip origin is build up of Tertiary andesites and ignimbrites. The Quaternary infill (loams, silts, redeposited tuffs and fluvial sands with gravel interbeds) is 80-100 (max. 140 m) thick.Younger alluvial fans composed of sand and gravel developed around the entrances of the mountain streams into the depression and are over 10-15 m thick (vicinty of Sebaco and La Trinidad). Fluvial and slope sediments of small thickness and regional extent occur in place.