Cinétique du concrétionnement dans quelques grottes belges: apport des datations 14C et 230 Th/234U. (Kinetics of speleothems growth in some Belgian caves as inferred from 14C and U-series dating)

Auteur :
GEWELT, M.

Description :
Over 60 14C analyses on speleothems. First results of 230 Th/234U dating indicate a period of speleothem growth between 85 and 130 ka BP. A slowdown or maybe an interruption of the calcite deposition occurred during the cold phases of the Quaternary which are in the range of the applied methods (about 0-30 ka BP and 5-350 ka BP for 14C dating and 5-350 ka BP for 230Th/234U dating). Speleothems developed in Holocene and Eemian show vertical growth rates from 0,2 to 0,3 cm. 100 Years I. (LW).


Type de document :
Article de périodique

Source :
Annales de la Société géologique de Belgique Liège, 1985, vol. 108, p. 267-273, Références bibliographiques : 18 réf.

Date :
1985