Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
PALEONTOLOGY: China Clamps Down on Mining to Preserve Cambrian Site
Dennis Normile and Xiong Lei
Strip-mining for phosphate imperils the Chengjiang region, a vast and remarkably rich site of early Cambrian fossils in China's southwestern Yunnan Province.