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Huanghuachang
Huanghuachang () is a village in Huanghua, Yiling, Yichang, Hubei, China. An outcrop of sedimentary rock from the Ordovician has made Huanghuachang famous in the earth science community. The "Huanghuachang section" () is an outcrop of the Dawan Formation in which the official base of the Dapingian The Dapingian is the third stage of the Ordovician period and the first stage of the Middle Ordovician series. It is preceded by the Floian and succeeded by the Darriwilian. The top of the Floian is defined as the first appearance of the conodont s ... stage is defined. (Daping is a settlement near to Huanghuachang). Note: there is an apparent typo in the article referenced; they give the coordinates as "a latitude of 30°51’37.8"N and a longitude of 110°22’26.5"E", but their map and location description better corresponds to 30°51’37.8"N 111°22’26.5"E. References Geography of Yichang Village-level divisions of Hubei {{Hubei-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dapingian
The Dapingian is the third stage of the Ordovician period and the first stage of the Middle Ordovician series. It is preceded by the Floian and succeeded by the Darriwilian. The top of the Floian is defined as the first appearance of the conodont species ''Baltoniodus triangularis'' which happened about million years ago. The Dapingian lasted for about 2.7 million years until about million years ago.Note: there is an apparent typo in the article referenced; they give the coordinates as "a latitude of 30°51’37.8"N and a longitude of 110°22’26.5"E", but their map and location description better corresponds to 30°51’37.8"N 111°22’26.5"E. History The Ordovician was divided into three series and six global stages in 1995; in 2005, this was amended to seven stages with the formalization of the Hirnantian stage as the last stage in the Late Ordovician. The Dapingian was the last Ordovician stage to be ratified, and was initially referred to as an informal and unnamed "third ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yiling
Yiling District () is a district of the prefecture-level city of Yichang, Hubei province, People's Republic of China. Created on July 30, 2001, the district includes most of the former Yichang County, with the exception of Yichang center city (which forms Xiling District) and certain southern and western suburbs. The land area of Yiling District is 3424 square km, population 510,000 (as of 2004). (Official site) The district's seat of government is on the northern outskirts of Yichang urban area. Both Gezhouba Dam and the Three Gorges Dam are located within the district. The Xiling Bridge spans the Changjiang (Yangtze River) in the western part of Yiling District, connecting the towns of Letianxi and Sandouping on the northern and southern sides of the river. To add to the confusion, Yiling Bridge is ''not'' within Yiling District - rather, it connects the center-city Xiling District with Dianjun District south of the river. Administrative divisions The district is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yichang
Yichang (), alternatively romanized as Ichang, is a prefecture-level city located in western Hubei province, China. It is the third largest city in the province after the capital, Wuhan and the prefecture-level city Xiangyang, by urban population. The Three Gorges Dam is located within its administrative area, in Yiling District. History In ancient times Yichang was known as Yiling. Historical records indicate that in the year 278 BC, during the Warring States period, the Qin general Bai Qi set fire to Yiling. In 222 AD Yichang was also the site of the Battle of Yiling, during the Three Kingdoms Period. Under the Qing Guangxu Emperor, Yichang was opened to foreign commerce as a trading port after the Qing and Great Britain agreed to the Chefoo Convention, which was signed by Sir Thomas Wade and Li Hongzhang in Chefoo on 21 August 1876. The imperial government set up a navigation company there and began building facilities. Since 1949, more than 50 wharves (with a total combin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hubei
Hubei (; ; alternately Hupeh) is a landlocked province of the People's Republic of China, and is part of the Central China region. The name of the province means "north of the lake", referring to its position north of Dongting Lake. The provincial capital, Wuhan, serves as a major transportation hub and the political, cultural, and economic hub of central China. Hubei's name is officially abbreviated to "" (), an ancient name associated with the eastern part of the province since the State of E of the Western Zhou dynasty of –771 BCE; a popular name for Hubei is "" () (suggested by that of the powerful State of Chu, which existed in the area during the Eastern Zhou dynasty of 770 – 256 BCE). Hubei borders the provinces of Henan to the north, Anhui to the east, Jiangxi to the southeast, Hunan to the south, Chongqing to the west, and Shaanxi to the northwest. The high-profile Three Gorges Dam is located at Yichang, in the west of the province. Hubei is the 7th-largest p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and borders fourteen countries by land, the most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third largest country by total land area. The country consists of 22 provinces, five autonomous regions, four municipalities, and two Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the most populous city and financial center is Shanghai. Modern Chinese trace their origins to a cradle of civilization in the fertile basin of the Yellow River in the North China Plain. The semi-legendary Xia dynasty in the 21st century BCE and the well-attested Shang and Zhou dynasties developed a bureaucratic political system to serve hereditary monarchies, or dyna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ordovician
The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. The Ordovician, named after the Celtic Britons, Welsh tribe of the Ordovices, was defined by Charles Lapworth in 1879 to resolve a dispute between followers of Adam Sedgwick and Roderick Murchison, who were placing the same Rock (geology), rock beds in North Wales in the Cambrian and Silurian systems, respectively. Lapworth recognized that the fossil fauna in the disputed Stratum, strata were different from those of either the Cambrian or the Silurian systems, and placed them in a system of their own. The Ordovician received international approval in 1960 (forty years after Lapworth's death), when it was adopted as an official period of the Paleozoic Era by the International Union of Geological Sciences, Intern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dawan Formation
The term Dawan may refer to: Places China Towns * Dawan, Chongqing, in Yubei District * Dawan, Gaoyao, in Gaoyao District, Guangdong * Dawan, Guiping, in Guiping district, Guangxi * Dawan, Guizhou, in Zhongshan District, Liupanshui * Dawan, Jilin, in Meihekou * Dawan, Yunnan, in Zhenxiong County Townships * Dawan Township, Guangxi, in Xingbin District, Laibin * Dawan Township, Ningxia, in Jingyuan County * Dawan Township, Sichuan, in Dechang County * Dawan, Huarong District, former township in Ezhou, Hubei Other places * Dawan District, a subdistrict of Klungkung, Bali, Indonesia * Dawan, a ''barangay'' of Mati, Davao Oriental, Philippines * Dawan, an administrative division of Yongkang District, Taiwan Other uses * Atoni, also known as Dawan, an ethnic group on Timor * Dayuan, a historical people of West China (pinyin spelling) * Dawan language, an Austronesian language spoken by Atoni people of West Timor * a character in the short story ''Sing to the Dawn'' by the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ordovician Geology
The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. The Ordovician, named after the Welsh tribe of the Ordovices, was defined by Charles Lapworth in 1879 to resolve a dispute between followers of Adam Sedgwick and Roderick Murchison, who were placing the same rock beds in North Wales in the Cambrian and Silurian systems, respectively. Lapworth recognized that the fossil fauna in the disputed strata were different from those of either the Cambrian or the Silurian systems, and placed them in a system of their own. The Ordovician received international approval in 1960 (forty years after Lapworth's death), when it was adopted as an official period of the Paleozoic Era by the International Geological Congress. Life continued to flourish during the Ordovician as it did in the earlier Cambrian Peri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geography Of Yichang
Yichang (), alternatively romanized as Ichang, is a prefecture-level city located in western Hubei province, China. It is the third largest city in the province after the capital, Wuhan and the prefecture-level city Xiangyang, by urban population. The Three Gorges Dam is located within its administrative area, in Yiling District. History In ancient times Yichang was known as Yiling. Historical records indicate that in the year 278 BC, during the Warring States period, the Qin general Bai Qi set fire to Yiling. In 222 AD Yichang was also the site of the Battle of Yiling, during the Three Kingdoms Period. Under the Qing Guangxu Emperor, Yichang was opened to foreign commerce as a trading port after the Qing and Great Britain agreed to the Chefoo Convention, which was signed by Sir Thomas Wade and Li Hongzhang in Chefoo on 21 August 1876. The imperial government set up a navigation company there and began building facilities. Since 1949, more than 50 wharves (with a total combin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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