Fig. 2. The Arena Valley ash sample site


View Original Image at Full Size

Figure 2. The Arena Valley ash and the stratigraphy of the sample site. Widths of the stratigraphic columns represent relatively larger average sediment grain size of the unit. D.P. indicates a desert pavement. At this site, the Arena Valley ash is 15 cm thick, beginning 3 cm below the desert pavement that makes the current surface. The Arena Valley ash has an 40Ar/39Ar age of 4.33 Ma (Marchant et al. 1993) and rests on a desert pavement that caps the Monastery colluvium.

Image 18429 is a 483 by 1019 pixel JPEG
Uploaded: Dec8 09


Last Modified: 2014-10-27 20:48:43
Permanent URL: https://serc.carleton.edu/download/images/18429/arena_valley_ash_sample.jpg

The file is referred to in 1 page
Provenance
Created by the author of the page containing
this file.
Reuse
This item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.