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Three Natural Bridges
The Three Natural Bridges () are a series of natural limestone bridges located in Xiannüshan Town (), Wulong District, Chongqing Municipality, China. They lie within the Wulong Karst National Geology Park, itself a part of the South China Karst-Wulong Karst UNESCO World Heritage Site. In Chinese, the bridges are all named after dragons, namely Tianlong () Qinglong () and Heilong (). Description Spanning the Yangshui River, a tributary of the Wu River, the bridges are at the centre of a conservation area which also includes: * Qinglong Tiankeng (青龙天坑); * Shenying Tiankeng (神鹰天坑); * Yangshui River Karst Canyon (羊水河喀斯特峡谷); * Longshui Gorge (龙水峡地缝); * Central Shiyuan Tiankeng (中石院天坑); * Lower Shiyuan Tiankeng (下石院天坑); * Seventy-two Branch Cave (七十二岔洞); * Longquan Cave (龙泉洞); * Immortal Cave (仙人洞); * Hidden Monkey Stream (猴子坨伏流); * Hidden Baiguo Stream (白果伏流). Given that the d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone Formations
Limestone (calcium carbonate ) is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime_(material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science), crystal forms of . Limestone forms when these minerals Precipitation (chemistry), precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly Dolomite (rock), dolomite, a closely related rock, which contains a high percentage of the mineral Dolomite (m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Landforms Of Chongqing
A landform is a natural or anthropogenic land feature on the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills, mountains, canyons, and valleys, as well as shoreline features such as bays, peninsulas, and seas, including submerged features such as mid-ocean ridges, volcanoes, and the great ocean basins. Physical characteristics Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, stratification, rock exposure and soil type. Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains) elements including various kinds of inland and oceanic waterbodies and sub-surface features. Mountains, hills, plateaux, and plains are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Karst Formations Of China
Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant rocks, such as quartzite, given the right conditions. Subterranean drainage may limit surface water, with few to no rivers or lakes. However, in regions where the dissolved bedrock is covered (perhaps by debris) or confined by one or more superimposed non-soluble rock strata, distinctive karst features may occur only at subsurface levels and can be totally missing above ground. The study of ''paleokarst'' (buried karst in the stratigraphic column) is important in petroleum geology because as much as 50% of the world's hydrocarbon reserves are hosted in carbonate rock, and much of this is found in porous karst systems. Etymology The English word ''karst'' was borrowed from German in the late 19th century, which entered German much earlier. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Arches Of China
Nature, in the broadest sense, is the physical world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena. The word ''nature'' is borrowed from the Old French ''nature'' and is derived from the Latin word ''natura'', or "essential qualities, innate disposition", and in ancient times, literally meant "birth". In ancient philosophy, ''natura'' is mostly used as the Latin translation of the Greek word ''physis'' (φύσις), which originally related to the intrinsic characteristics of plants, animals, and other features of the world to develop of their own accord. The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word φύσις by pre-Soc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tianmen Mountain
Tianmen Mountain () is a mountain located within Tianmen Mountain National Park, Zhangjiajie, in the northwestern part of Hunan Province, China. Mountain A cablecar was constructed in 2005 by the French company Poma from nearby Zhangjiajie railway station to the top of the mountain. Tianmen Mountain Cableway is claimed in tourist publications as the "longest passenger cableway of high mountains in the world", with 98 cars and a total length of and ascent of . The highest gradient is 37 degrees. Tourists can walk on kilometres of paths built along the cliff face at the top of the mountain, including sections with glass floors. An road - Tongtian Avenue - with 99 bends also reaches the top of the mountain and takes visitors to Tianmen cave, a natural arch in the mountain of a height of . The Tianmenshan Temple is located on the summit, with chairlift or footpath access. The original temple there was built during the Tang dynasty and destroyed during the first part of the 20th ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xueyu Cave
Snowy Jade Cave (a.k.a. Snow Jade Cave or Xueyu Cave, ) is a National Three Gorges Scenic Area and a National 4A Scenic Area located in Fengdu County, Chongqing Municipality, People's Republic of China, not far from the Yangtze River. Description The cave's interior is China's only pure-white, jade-like example. It continues to expand due to erosion in the surrounding karst landscape. long, of which have been explored, Snowy Jade Cave is spread over three levels. Inside, both the Stone King's Flag () and the high Stone King's Shield () features are the largest of their type in the world. There are also numerous examples of corals. The surrounding area is also home to rare animal species including macaque, wild boar, and golden pheasant. See also * Fengdu Ghost City, a nearby visitor attraction 12 km away * Furong Cave Furong Cave () is a karst cave located on the banks of the Furong River, from the seat of Wulong District, Chongqing, People's Republic of Chin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Furong Cave
Furong Cave () is a karst cave located on the banks of the Furong River, from the seat of Wulong District, Chongqing, People's Republic of China. History First discovered by local farmers in 1993 the cave was opened to tourists in 1994. It became a national 4A tourist site in 2002 then in June 2006 part of the South China Karst UNESCO World Heritage Site ; the only cave in China on the UNESCO list. In 1994, 1996 and 2001, cave experts from countries including China, the UK, USA, Ireland and Australia undertook comprehensive explorations of the cave. Description Furong Cave has a total length of and a width varying from –. Inside, the cave is divided into three sections, with the first featuring colorful subterranean features. The remaining two areas focus on the science of cave formation. There are more than 30 features inside the cave including the , stone waterfall () at the foot of which coral-like projections extend to . In the vicinity of the cave spread over a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Karst
Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant rocks, such as quartzite, given the right conditions. Subterranean drainage may limit surface water, with few to no rivers or lakes. However, in regions where the dissolved bedrock is covered (perhaps by debris) or confined by one or more superimposed non-soluble rock strata, distinctive karst features may occur only at subsurface levels and can be totally missing above ground. The study of ''paleokarst'' (buried karst in the stratigraphic column) is important in petroleum geology because as much as 50% of the world's hydrocarbon reserves are hosted in carbonate rock, and much of this is found in porous karst systems. Etymology The English word ''karst'' was borrowed from German in the late 19th century, which entered German much earlier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sinkhole
A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are locally also known as ''vrtače'' and shakeholes, and to openings where surface water enters into underground passages known as ''ponor'', swallow hole or swallet. A ''cenote'' is a type of sinkhole that exposes groundwater underneath. A ''sink'' or ''stream sink'' are more general terms for sites that drain surface water, possibly by infiltration into sediment or crumbled rock. Most sinkholes are caused by karst processes – the chemical dissolution of carbonate rocks, collapse or suffosion processes. Sinkholes are usually circular and vary in size from tens to hundreds of meters both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide. Formation Natural processes Sinkholes may capture surf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wu River (Yangtze River)
The Wu River () is the largest southern tributary of the Yangtze River. Nearly its entire length of runs within the isolated, mountainous and ethnically diverse province of Guizhou. The river takes drainage from a watershed. The river flows through the Liupanshui, Anshun, Guiyang (the capital), Qiannan, and Zunyi Districts of Guizhou. All nine regions of the province have at least partial drainage to the river. Course The river begins as the ''Sancha'' in western Guizhou and flows eastwards about . It then bends north, west and south in a reach called the Yachi, and receives the Nanming River from the right. After the Yachi reach, the Wu makes a broad arc northeast through central Guizhou, picking up fifteen major tributaries including the Yu, Furong and Ya Rivers and flowing through several large hydroelectric dams. It then crosses the border into the provincial-level municipality of Chongqing, flows past Wushan, Badong and Zigui, and empties into the Yangtze River at Ful ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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