Ruins of Ancient Quarries of Volcanic Rocks
Reference work entry
Some volcanic rocks are good building materials. Volcanic rocks were mined in ancient China, and several relics have remained. These quarry ruins can be exposed or underground. There is an ancient quarry cave group in the Changyu Stone Cave in Wenling, Zhejiang Province. This ruin is large and is now included as a part of the Yangdangshan Global Geopark. It is also a national mining park (Fig. 25).
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