Yiyuan Jiutian cave

Jiutian cave is located in the south foot of Lushan Mountain. It was officially opened to tourists in 1991, and has been developed for many times. However, the facilities are relatively backward and the scientific content is low. At the beginning of 2001, the design team headed by Professor Zhu Xuewen, a famous Chinese cave scientist and President of China Cave Research Association, conducted a comprehensive scientific investigation, appraisal and design of Jiutian cave, and completed the lighting renovation project, which made the Jiutian cave take on a new look. Its scientific and modern design is at the advanced level of the national caves

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Yiyuan Jiutian cave

Yiyuan Jiutian cave is located in Shandong Province, so it is called Jiutian cave because in ancient Chinese mythology, there are nine layers in the sky, that is, Jiutian cave. This cave also has nine large halls, and the landscape can be beautiful with the mythical heavenly palace, so it is called Jiutian cave.

Jiutiandong has a temperate monsoon climate with four distinct seasons. In spring, flowers are in full bloom and mountain flowers are brilliant; in summer, birds are singing and flowers are fragrant and streams are murmuring; in autumn, red leaves are all over the mountains and fruits are abundant; in winter, snow and ice are wrapped in snow, and the cave is warm in winter and cool in summer (15-18 ℃).

Due to its superior geographical location, the higher the scientific research, tourism and ornamental value, Jiutian cave has become one of the focuses of karst cave tourism.

brief introduction

Located at the southern foot of the beautiful Lushan Mountain, it was officially opened to tourists in 1991, and has been developed for many times. However, the facilities are relatively backward and the scientific content is low. At the beginning of 2001, the design team headed by Professor Zhu Xuewen, a famous Chinese cave scientist and President of China Cave Research Association, conducted a comprehensive scientific investigation, appraisal and design of Jiutian cave, and completed the lighting renovation project, which made Jiutian cave take on a new look. Its scientific and modern design is at the advanced level of national cave tourism. Let the tourists get the magical and wonderful harvest and enjoyment of broadening scientific knowledge through the trip to Jiutian cave.

The nine halls are: ① the hall between heaven and earth, that is, the light box hall; ② Bunian hall; ③ Tianhe hall; ④ Tiangong hall; ⑤ Tianjie hall; ⑥ Tianguo garden hall; ⑦ Xuntian hall; Ⅷ dream paradise hall; and Ⅸ unique Dongtian hall.

Jiutiandong is developed in the Ordovician limestone strata of Paleozoic in geological age. The sedimentary strata of the limestone system are marine facies. Its generation age is 440-500 million years ago, but the formation history of Jiutiandong is only about one million years. Jiutian cave is 518 meters long and 5-18 meters high, with a journey of about 1.2 kilometers. The structure of the cave is very stable, and there are 37 types of chemical accumulation in the cave, including 7 rare types Large area of spherical and acicular crystals, moon milk stone, stone flower and stone lotus are known as the "four wonders of nine days". It is the karst cave with the most rare landscape types in China, and the largest area of stone flower. It has important scientific and ornamental value. In 1944, Professor Chen Shicai of Chinese Academy of Sciences identified Jiutian cave as "the largest Shihua Cave in China"; in 1999, Professor Lu Yunting of Beijing Normal University identified Jiutian cave as "China karst cave fine landscape Museum"; in 2001, Professor Lu Yunting of Beijing Normal University identified Jiutian cave as "China Karst cave fine landscape Museum" Professor Zhu Xuewen, President of the Cave Research Association of the Chinese Geological Society, thought after scientific investigation that "the stone flower of Jiutian cave is unparalleled at home and abroad for its various types and vast area", and called it "the first stone flower cave in the world".

Tourism characteristics

Yiyuan Jiutian cave is located in Tumen Town, 18 kilometers northwest of Yiyuan County. There are nine large cave halls in the cave, and the landscape can be beautiful with the heavenly palace in Chinese mythology, so it gets its name. Jiutian cave is a single corridor inflow cave with a total length of 518 meters. There are abundant secondary chemical deposits in the cave, especially the pond deposits and various stone flowers. Its later large-area non gravity water deposits are famous all over the world.

The area of stone flowers in the cave accounts for more than 60% of all chemical sedimentary types, which is called "the largest stone flower cave in China" by Professor Chen Shicai of Institute of geology, Chinese Academy of Sciences. All kinds of stone flowers are based on stone corals. They are needle shaped, ball shaped, grape shaped, Bush shaped, mushroom shaped, mushroom shaped, crystal shaped and so on. Most of them are still growing. They are pure in texture, exquisite in combination, noble and delicate. Under the colorful lights, they look like a heavenly palace garden in its prime.

Jiutian cave is located in the valley of igneous rock and sedimentary contact zone. It is surrounded by Ordovician limestone, which was formed about 400 million years ago. The cave is 518 meters long, 5-18 meters high, and the journey is about 1.2 kilometers The structure of the cave is very stable, and the types of chemical accumulation in the cave are very rich. Among them, a large area of spherical and acicular crystals, moonmilk stone, Shihua and Shilian are known as the "four wonders of nine days", which is the largest Shihua Cave group in China, and also known as "the first Shihua Cave in the world".

Development

Jiutian cave was officially opened to tourists in 1993 and has been developed and constructed for three times. There are 18 cave halls with a length of more than 1200 meters, a journey of more than 3000 meters and more than 300 main scenic spots. Jiutiandong is located in the valley of igneous rock and sedimentary contact zone. The surrounding rock of the cave is Ordovician limestone with an age of about 400 million years. The stone flowers in the cave are distributed in large scale and in many varieties. There are four areas of unique scenery and eight rare stones.

Large area of needle and spherical crystal, large area of ice cream, stone flower, curly stone, stone ice cream, stone plate, stone lotus, stone Ganoderma lucidum, stone goose tube, bamboo stone, edge stone dam and other rare landscapes of chemical deposition type. Chen Shicai, an expert in tourism Cave Research and Professor of Chinese Academy of Sciences, has identified it as the largest Shihua Cave group in China.

The third phase of the project, which was opened in 1999, has been appraised as China karst cave fine landscape Museum by Professor Lu Yunting of Beijing Normal University.

Jiutiandong scenic spot was rated as national AAA scenic spot in 2005, "Shandong tourism service standard enterprise" and "honest tourism demonstration unit" by Shandong Provincial Tourism Administration in 2004, "civilized scenic spot" by Zibo scenic spot office in 2005, "top ten scenic spots" by Zibo Municipal Tourism Administration in 2006, "Municipal youth civilization" by Communist Youth League Committee in 2007 Zibo Municipal People's government was awarded "the city's tourism work advanced collective.".

scenic spot

The reason why this cave is called "Jiutian" is that in Chinese mythology, there are nine layers of heaven, that is, Jiutian. This cave also has nine large cave halls. The landscape can be beautiful with the heavenly palace in Chinese mythology, so it is called Jiutian cave. The nine halls are: ① the hall between heaven and earth, that is, the light box hall; ② Bunian hall; ③ Tianhe hall; ④ Tiangong hall; ⑤ Tianjie hall; ⑥ Tianguo garden hall; ⑦ Xuntian hall; Ⅷ dream paradise hall; and Ⅸ unique Dongtian hall.

Jiutiandong is developed in the Ordovician limestone of Paleozoic in the geochronology. It is a marine sedimentary rock. Its generation age is 440-500 million years ago, but the formation history of Jiutiandong is only about one million years. Jiutian cave is 518 meters long and 5-18 meters high, with a journey of about 1.2 kilometers. The structure of the cave is very stable, and there are 37 types of chemical accumulation in the cave.

In 1994, Professor Chen Shicai of Chinese Academy of Sciences identified Jiutian cave as "the largest Shihua Cave in China". In 1999, Professor Lu Yunting of Beijing Normal University rated it as "China karst cave fine landscape Museum". In 2001, Professor Zhu Xuewen, President of Cave Research Association of Chinese Geological Society, called it "the first Shihua Cave in the world" after scientific investigation.

Jiutian cave is located in Tumen Town, Yiyuan County, Zibo City, at the foot of Lushan Mountain, the fourth peak of Shandong Province, and the center of Yiyuan Ape Man Site karst cave group provincial scenic spot. It is 10km away from the county seat. Now it is an AAA tourist area.

Jiutian cave was developed and constructed in 1992, with a total length of 518 meters, a height of 5-8 meters, and a travel distance of 1200 meters. The temperature of the cave is about 18 ℃ all the year round, and the content of negative oxygen ions in the cave is rich, which has outstanding functions of summer, health and health. Jiutian cave is developed in the Paleozoic Ordovician limestone in the geological age, with a history of one million years. There are nine cave halls in the cave, and its landscape can be compared with that in Chinese mythology The nine halls are the hall between heaven and earth, Butian hall, Tianhe hall, Tiangong hall, Tianjie hall, Tianguo garden hall, Xuntian hall, dreamlike paradise hall, and the hall with unique caves; the stone flowers, stone grapes, stone corals, stone Lingzhi, moon milk stone, curly stone, stalagmite, stalactite, stone pillar, goose tube, stone flag, stone mantle, stone lotus, stone stones deposited in the cave Shield, such as crystal and jade, is gorgeous, lifelike and beautiful, just like a magnificent palace carved with gems, corals and Jadeites. The discovery of Jiutian cave is an amazing event in the history of Chinese karst cave. The chemical micro landscape displayed in this cave has pushed the scientific and ornamental value of Chinese karst cave to the top level in the world. It is not only a collection of Chinese karst cave scenery, but also a wonderful flower in the world

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There are more than 200 tourist landscapes in the cave. Among the more than 40 common types of conventional chemical deposition, Jiutian cave has 38 types, including 7 rare types of microscopic chemical deposition. It is rare at home and abroad for its many, complete, refined and unique types of chemical deposition landscape. It is the karst cave with the largest number of rare landscape types in China and the largest area of stone flowers The area of stone lotus, large area of calcite crystal flower and large area of moon milk stone are called "nine days four unique.". Among them, a large area of stone flowers is pure in texture, exquisite, exquisite in combination, noble and exquisite, which is pleasing to the eye and is known as "national flower"

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