Wangjiawan

Wangjiawan is a village in the municipality of Fenxiang Town  and part of the Yiling District, which itself is a part of the Yichang  of Hubei province.

Geology
The geologic outcrop, the "Wangjiawan section" it the official GSSP for the Hirnantian stage of the Upper Ordovician; it is located at 30.98222°N, 111.41944°W.