Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Rhyolite Landform Landscape of the Yandangshan

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_2069

This landform is located in the area between Wenzhou and Taizhou in southeastern Zhejiang Province. Yandangshan is a reactivated eroded volcano composed of Cretaceous rhyolite. Four stages of volcanic activity occurred. The first was the eruption of ignimbrite, which was followed by emissions of thick lava, explosions of tuff, and a second eruption of ignimbrite. Finally, central intrusive bodies formed due to magma intrusions. The rocks that formed during these four stages have a ring-like distribution pattern. Crustal uplift, fracture formation, disintegration, collapse, weathering and erosion created features such as superimposed peaks, stone bridges, natural bridges, sharp peaks, single pillars, unique stones, collapse deposit caves, U-shaped and V-shaped valleys and waterfalls. The caldera of Yandangshan is a representative Mesozoic eroded volcano and is a typical type of rhyolite landform landscape.

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