In-situ gamma-ray spectrometric study of weathered volcanic rocks in Hong Kong

Auteurs :
CHEN, M.Q.F.
CHAN, L.S.

Description :
In this study, an integrated geochemical and in-situ GRS survey was conducted at 2 sites in Hong Kong where tuffs of varying weathering states were exposed. Field description of rock materials and sampling for elemental analyses were conducted at 57 locations, while in-situ GRS measurements were carried out at 35 of the sites. The variations in the radioelement concentrations with increasing extent of weathering were also studied in order to attain a better understanding of the mobility of the 3 elements, K, U and Th, during the different stages of the weathering process.


Type de document :
Article de périodique

Source :
Earth surface processes and landforms, issn : 0197-9337, 2002, vol. 27, n°. 6, p. 613-625, nombre de pages : 13, Collation : Illustration, Références bibliographiques : 44 ref.

Date :
2002

Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley