A comment on a note on the characteristics and possible origins of desert varnishes from southeast Morocco by DRS. SMITH and WHALLEY and reply

Auteurs :
DORN, R. I.
SMITH, B. J.
WHALLEY, W. B.

Description :
This note queries the discussion of the origins of desert varnishes (Smith and Whalley, 1988), with particular reference to manganese - rich conditions. The case for a biotic model of varnish development is proposed and illustrated as opposed to the abiotic model put forward by Smith and Whalley.


Type de document :
Article de périodique

Source :
Earth surface processes and landforms, issn : 0197-9337, 1989, vol. 14, n°. 2, p. 167-172, Références bibliographiques : 45 réf.

Date :
1989

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