Obsidian-hydration dating of fluvially reworked sediments in the West Yellowstone region, Montana

Auteurs :
ADAMS, K. D.
LOCKE, W. W.

Description :
This study evaluates obsidian-hydration dating in postglacial fluvial terraces cut into an outwash plain near West Yellowstone. Fluvial transport fractures obsidian grains. However, some old hydration rinds may be preserved, thus, a grain may record several fracturing events. Multiple evaluations of source chemistry and hydration rates and multiple rind measurements are required to date fracturing events.


Type de document :
Article de périodique

Source :
Quaternary research, issn : 0033-5894, 1992, vol. 38, n°. 2, p. 180-195, Collation : Illustration, Références bibliographiques : 31 réf.

Date :
1992

Editeur :
Pays édition : Etats-Unis, San Diego, CA, Elsevier