Woods Yanqing County National Geopark is located in the north-east of the River on both sides of the mountains. Southwest County from the city about 30 kilometers away from Beijing, about 100 km. Huairou Park to the east, west, north and Chicheng County of Hebei Province, which borders the south is the Yanqing Basin. Shirakawa along both sides of the strait, 26 km from east to west, north-south width 6 8 km with a total area of about 226 square kilometers. Geopark to form at 1.4-1.8 million years ago between the Upper Jurassic characterized woods. Yanqing woods at the base of the park in the eastern Zhen 1000 under the German village of Shirakawa Longwan both sides of the fossil 1.4-1.8 million years ago in the middle between the Upper Jurassic Tuchengzi one stratum 2, is currently exposed surface of the woods 57, the texture of fossil clear, firm texture, the ring width is arguable. Light brown on the surface of its more off-white or yellow, fresh cut for more than a black ash, and its shape, like the trunk of the tree stump saw were generally 0.6-1.5 m in diameter, the largest diameter 2.5 m, perpendicular to the ground, exposing the ground generally 0.4-0.5 meters high, up more than l m, only a small amount of tilt or recline, and up to 15 meters. Shirakawa Fort geoparks on the west side of the reservoir north of the village to the east and along the East River Reservoir Fort 600 meters, there are few woods, and also formation Upper Jurassic Tuchengzi one stratum 2. Located 1.5 km east of flower pots, flower pots - Hebei Province next to the highway. Occurrence of animal and plant fossils in rock strata are Upper Jurassic Tuchengzi gray green fine-grained sandstone, 1.4 billion years ago. The number of exposed silicified wood fossils for the consolidation of rocks and debris together. At the same time There are fossils of bivalves, mainly Zhubeng Lufeng, Zhu Bang Grant, Mengyin, such as mussels, especially in the case of Zhu Beng-based. Fossils of different shape, single, double shell has, in general valve shell to preserve a more complete. Yanqing woods with a group number, characteristics such as integrity preserved, in particular, the group of petrified wood in the middle of all primary horizon Is to facilitate traffic in the eastern region into a film only to preserve the woods of origin. In addition, there are geological park-type animal and plant fossils, landscape, structural features, mineral sites, hydrological landscape, natural eco-tourism, cultural and folk customs, and so on.
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