[1] (1) Singer A and Galan E, Eds. Palygorskite- Sepiolite Occurrence. g enesis and uses (Developments in sedimentary37). Elsevier Scientific Publishing Company, 1984.

(2) Weaver C, Clays, M uds, and shales. Elsevier Scientific Publishing Company, 1990.

(3) Millot G. Geolog y of clays. Spring er-verlay, New York, 1970.

(4) 方邺森, 许冀泉, 李立文. 苏皖地区凹凸棒粘土. 南京大学学报 (自然科学版 ), 1990, (1), 15-23.

(5) Yi Facheng, Tian Xu and Yuan Jianqi, et al. The geological characteristics and geneses of attapulgite clay depositson Jiangsu- Anhui bo rder. In :clay Minerals, Their Natural Resources and Uses. Proceedings of workshop WB-1, The 29 th Inter. Geol.Cong ress. Nag oya, Japan, 1992.

(6) 孙永传, 李蕙生. 碎屑沉积相和沉积环境. 地质出版社, 1986.

(7) 刘宝君, 曾永孚. 岩相古地理基础和工作方法. 地质出版社, 1985.

( 8) Church T M and V elde B. Geochemistry and Origin of a deep- sea pacific palygorskite deposit. Chemical Geolog y, 1979, (25): 31-39.

(9) V elde B, Clay minerals. A Physic-chemical explanation of their occurrence (Developments in sedimentary ). Else-vier Scientific Publishing Company ).

(10) 易发成, 李虎杰, 田煦, 郑自立. 苏皖地区凹凸棒石粘土矿床稳定同位素特征及其地质意义. 矿物学报, 1995,15 (2): 242-247.

(11) 张士三, 沉积岩镁铝含量比及其应用. 矿物岩石地球化学通报, 1988, (2): 112-113.