Coarse, basanitic tephra layers at Mt. Waesche
The Great Wall:
Close-up view of the Great Wall:
Back-scattered electron image of basanite tephra
(click for a larger image):
New Mexico Bureau of Geology & Mineral Resources
New Mexico Institute of Mining & Technology
801 Leroy Place
Socorro, NM 87801-4796
information: (575) 835-5420
fax: (575) 835-6333
http://geoinfo.nmt.edu
The New Mexico Bureau of Geology & Mineral Resources is a research and service division of:
