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《Journal of Stratigraphy》 2004-01
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UPPER ORDOVICIAN HONGJIAWU FORMATION OF THE ZHEJIANG-JIANGXI BORDER REGION

WANG Long wu, XU Hong gen, QI Yan xin, TANG Zeng cai, and YU Guo hua (Zhejiang Institute of Geological Survey, Hangzhou, 311203)  
The Hongjiawu Formation (a new unit) is a newly recognised lithostratigraphic unit during the 1/50000 survey of Qiuchuan and Changshan.The formation developed along the southeastern edge of the Zhejiang Anhui Basin. It differs from the Wenchang Formation by greyish green—mauve sandstones, siltstones,and mudstone. The thickness of the formation changes from 380 to 483 meter . The type section is at the Hongjiawu village of Shiyang Town in Jiangshan City, Zhejiang Province. On a larger scale in Zhejiang Jiangxi border region,this formation is stable both temporally and spatially,and its recognision enriches the data on the latest Ordovician rocks of this area.
【Fund】: 1/5万《球川镇幅》《常山县幅》区调项目成果
【CateGory Index】: P534
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