cook713807
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 Posted: Thu 10:38, 24 Mar 2011 Post subject: Forbidden City Tour |
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In common, the scale of evolution of karst grotto contrast magnificent grotto, such as Shihuadong down a aggregate of 7 membranes with a total length of more than 3000 meters; Yin Hudong up and down three layers with a total width of the tunnel, there are more than 2000 meters; As the smoke tunnel, yellow white hospital Tallinn and other cavities were a few hundred meters length. Karst cave fashioned at the erosion and corrosion wealthy landscape types, such as the Shihua, not only the full scope of chemical deposits,[link widoczny dla zalogowanych], and quite weird fashions of karst outlook, into a north and south of the culmination of the cave cave scenic landscape salon, was hailed as a one of the 4 cave systems.
According to expert studies, the cave sediments have 5 types, 33 kinds of forms, which are common stalactites, stalagmites, stone pillars, stone pagodas, stone shield, stone cascade, stone curtains, Shiman, Dan Titian, stone edge dam, Stone flowers; less morphology goose treatment, point beads, curly stone, above milk stone, stone chrysanthemum, stone sticks, crystal flowers, primarily infrequent above milk stone, multicolored stones, flags, white stone flowers, foreign stone safeguard, precious Shek Lin, Shi-chih, in Shihuadong especially typical. Currently only the development Shihuadong 1st and the second hole, long 1362.25 meters, one zone of ??13668.6 square meters. The Fangshan Yun tunnel is a rare one in Beijing limestone cave, cave 530 meters elevation, the hole to the north-south extension of the hole length is 613 meters high in the lobbies of 7, the maximum elevation distinction of altitude and bottom are more than 60 meters, basal place over 2,000 square meters. Central Office on the second hole of a stalagmite stands, up to 38 meters, is currently the largest stalagmite were found in the globe also are in the forefront.
In counting apt the stalagmite, there are thousands of stalactites, stone pillars, Shiman, stone flags, stone plaques. Ying Yin Hudong countryside below water, present not only the development of 2 dry holes, yet also a layer of 800-meter-long tunnel, discovered in the Beijing region namely the only one tunnel. This hole has amplified a massive digit of discoidal stone grapes, milk ball upside down stalactites and stone landscape, in which the fox hanging upside down favor calcite crystals - "Silver Fox", a transparent white body, wrapped in dense needle-like crystal bloom, very special, identified by specialists as the world's solitary "national treasure." Zhoukoudian namely located in the northern part of the keel yellow, Shandong Institute of white Tallinn cave, 250 meters long main tunnel, with a total length of 400 m adit. One of the biggest Dongting, approximately 40 meters, 20 meters wide and 10 to the memory a massive digit of stalagmites, stalactites, stone shutters, stone pillars and other chemical collection form.
These renowned karst cave, that cave is a cave in Beijing limestone landscape of the important types. As for the erosion hole breakdown and collapse - stacking bracket holes, mostly in Beijing, is a small hole type, the former such as Chaoyang Dong Huairou County, Guiguzi hole; Miyun County Yunmengshan patriotic hole, dark hole Temple Guanghui, Yunfeng Mountain Fairy Cave etc.; the latter as a cloud to pass You Dong Black Dragon Pool Scenic Area, Xiangshan Cherry Vale of White Deer Cave, two cave and so on. Many of them are adult in the granite and volcanic areas, the small size of the match for the scenic attractions.In addition to these natural caves, but Beijing still has a lot of dug the cave, most of entire the history of religious minorities as a residential or open up the cavern. The sometime, such Yanqing Guyaju, it ethnic lines dug by Xi Sui and Tang dynasties, located in two ravine granite cliff,[link widoczny dla zalogowanych], a total of 117 points, divided one bedroom, two bedroom, three bedroom,[link widoczny dla zalogowanych], indoor pit, bombard furnace, sink, skylight, Menorah, lookout hole and so on. Cavity and the hole is joined between the stone steps. Is now open to "Guyaju" passenger blots; the latter, such as stone by the rocks by the Fangshan Yunju Si-dong, Haidian District, Phoenix Ridge in the various Buddha Cave, Badachu seven of the holes also beads and so on.
Cave development in Beijing and geographical distribution in space are very different, primarily in: Xishan Mountain area cave areas than amount, density, size and stately, the scene scene. Especially the karst landscape cave deposits in the chemical, such as stalactites, stalagmites, stone pillars, stone flowers, stone flags, Shiman ... ... and so, maximum dazzling, viewpoint thousands, development of more complete than the Mountain area, perfect. According to lacking statistics, the number of about Beijing Xishan cave cave understood as 61.8% of the total; Mountain area accounted for only 38.2%. This is due in Beijing among the two-level element of the ancient geological structure caused by environmental differences.
In the same tectonic unit, the cave scene density and spatial distribution of the degree of development there are premonitory differences, such as the two wings of the Western Hills Baihua Mountain syncline, forward the Dashi, Zhoukoudian River, Yongding River Cave and more developed in the thick layer of pure, thick joints and simple dissolution of Ordovician limestone, the percentage of the Juma River, the Upper Proterozoic Jixian System, the Great Wall and so laborious, Department of dissolution of dolomite with chert bands, dolomitic limestone cave well developed. Although the Juma River basin area, there are numerous caves shidu, but generally small, far less developed Shihua Dong Jing, hole tunnel, Yinhu Dong, white Tallinn hole.
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
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