Xã Minh Long, Huyện Hạ Lang, Tỉnh Cao Bằng
The observation site is in Minh Long commune, Ha Lang district. A great quantity of Brachiopods fossils, preserved quite well in shale (so-called Mia Le Formation, D1ml, Early Devonian in age, c.400 million years ago) have been found here. A French geologist, Mansuy H., found plenty of these fossils for ...