GSA Today
Volume 20, Number 6 (June 2010)

About the cover:
Qinghai Lake and surrounding mountains. Qinghai Lake is the largest inland saline lake in China, with an altitude of ~3196 m above sea level. The average water depth is 19.2 m, and salinity is 12.5 g/L. Photo by Nicole Berzins. See “Impacts of environmental change and human activity on microbial ecosystems on the Tibetan Plateau, NW China,” by Dong et al., p. 4–10.

© The Geological Society of America, Inc.