China's first confirmed crater stirs debate (Xiuyan Impact Crater)

China's first confirmed crater stirs debate
by Zhou Jing, China.org.cn, January 20, 2011
http://www.china.org.cn/china/2011-01/20/content_21784587.htm

Some papers about this crater are:

Chen, M., 2008, Impact-derived features of the 
Xiuyan meteorite crater. Chinese Science Bulletin.
vol. 53, no. 3, pp. 392-395.
http://www.springerlink.com/content/9rh444147628h75w/

PDF file at 
http://www.scichina.com:8080/kxtbe/fileup/PDF/08ky0392.pdf
and http://www.scichina.com:8080/kxtbe/EN/abstract/abstract317414.shtml

Chen, M., W. Xiaoa and X. Xiea, 2010, Coesite 
and quartz characteristic of crystallization 
from shock-produced silica melt in the Xiuyan 
crater. Earth and Planetary Science Letters.
vol. 297, no. 1-2, pp. 306-314.
http://dx.doi.org/10.1016/j.epsl.2010.06.032

Chen, M., W. Xiao, X. Xie, D. Tan and Y. Cao, 2010,
Xiuyan crater, China: Impact origin confirmed.
Chinese Science Bulletin. vol. 55, no. 17, pp. 1777-1781.
http://www.springerlink.com/content/e113713t58060086/

Yours,

Paul H.