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Lithofacies Palaeogeography of the Late Permian Wujiaping Age in the Middle and Upper Yangtze Region, China
Journal of Palaeogeography 2014, 3(4): 384-409 DOI: 10.3724/SP.J.1261.2014.00063 Lithofacies palaeogeography and sedimentology Lithofacies palaeogeography of the Late Permian Wujiaping Age in the Middle and Upper Yangtze Region, China Jin-Xiong Luo*, You-Bin He, Rui Wang School of Geosciences, Yangtze University, Wuhan 430100, China Abstract The lithofacies palaeogeography of the Late Permian Wujiaping Age in Middle and Upper Yangtze Region was studied based on petrography and the “single factor analysis and multifactor comprehensive mapping” method. The Upper Permian Wujiaping Stage in the Middle and Upper Yangtze Region is mainly composed of carbonate rocks and clastic rocks, with lesser amounts of siliceous rocks, pyroclastic rocks, volcanic rocks and coal. The rocks can be divided into three types, including clastic rock, clastic rock-limestone and lime- stone-siliceous rock, and four fundamental ecological types and four fossil assemblages are recognized in the Wujiaping Stage. Based on a petrological and palaeoecological study, six single factors were selected, namely, thickness (m), content (%) of marine rocks, content (%) of shallow water carbonate rocks, content (%) of biograins with limemud, content (%) of thin- bedded siliceous rocks and content (%) of deep water sedimentary rocks. Six single factors maps of the Wujiaping Stage and one lithofacies palaeogeography map of the Wujiaping Age were composed. Palaeogeographic units from west to east include an eroded area, an alluvial plain, a clastic rock platform, a carbonate rock platform where biocrowds developed, a slope and a basin. In addition, a clastic rock platform exists in the southeast of the study area. Hydro- carbon source rock and reservoir conditions were preliminarily analyzed based on lithofacies palaeogeography. -
The Research and Analysis of Rural Information Poverty in Guizhou
International Conference on Social Science and Higher Education (ICSSHE 2015) The Research and Analysis of Rural Information Poverty in Guizhou He Jun, Li Ou, Cai Mei The development strategy research center of Karst region Library of Guizhou University Guiyang, China Abstract—The information poverty in Guizhou has its own Bangladesh gonokendra model studies the information and character and genesis. With the rapid development of communication technologies (ICT) in the development and information technology, the problem is increasingly outstanding. improvement of extended architecture in the suffering area of Information poverty increases the cost of the rural economy the developing country. Sri Lanka's kothmale model proposes development in corresponding areas, while hampering the to create the appropriate model, for those who cannot access economic development. In-depth and systematic research of rural the Internet or no language ability to understand the Internet information poverty in Guizhou has important value and content. International edge area reconstruction agency in the significance. This article summarizes its characteristic, analyzes Philippines (IIRR) is committed to using its own information its genesis and the difficulty of information poverty alleviation resources, technology providers’ advice and the sane decisions work as well as explores the solutions through analysis of of the proposal to deal with the needs of the rural areas[10- 12]. investigation about the present situation of information poverty in Guizhou. Guizhou is a poor province with unbalanced social and economic development. Its unique natural conditions not only Keywords—Rural Guizhou; Information Poverty; Present affect the region's economic development, but also affect its Situation; Genesis; Solution information development. -
Uranium Enrichment in a Paleo-Karstic Bauxite Deposit, Yunfeng, SW China Mineralogy, Geochemistry, Transport
Journal of Geochemical Exploration 190 (2018) 424–435 Contents lists available at ScienceDirect Journal of Geochemical Exploration journal homepage: www.elsevier.com/locate/gexplo Uranium enrichment in a paleo-karstic bauxite deposit, Yunfeng, SW China: T Mineralogy, geochemistry, transport – deposition mechanisms and significance for uranium exploration ⁎ Yongzhen Longa,b, Guoxiang Chic, , Jianping Liua,b, Dexian Zhanga,b, Hao Songc,d a Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Central South University, Changsha 410083, China b School of Geosciences and Info-Physics, Central South University, Changsha 410083, China c Department of Geology, University of Regina, Saskatchewan, S4S 0A2, Canada d Chengdu University of Technology, Chengdu, 610059, China ARTICLE INFO ABSTRACT Keywords: Elevated concentrations of uranium have been found in many bauxite deposits, but the status of uranium in the Paleo-karstic ores and the mechanisms of enrichment have not been well understood. In this paper, we report a new case of Bauxite deposit uranium enrichment in a paleo-karstic bauxite deposit at Yunfeng, southwestern China, present electron probe Uranium minerals micro-analyzer (EPMA) and Raman spectroscopic evidence for the presence of separate U-minerals, and propose EPMA a model in which uranium was enriched through successive processes from chemical weathering through early Raman spectroscopy to burial diagenesis. The Yunfeng bauxite ores, developed in Lower Carboniferous mudrocks overlying Middle to Yunfeng Guizhou Upper Cambrian carbonate rocks, contain 18.0 to 62.4 ppm (average 35.1 ppm) U, which is much high than the abundances in average crustal rocks (1–3 ppm). Micron-sized uraninite occurs as rims of Ti-oxides, fillings of micro-fractures in kaolinite, and disseminated grains in association with sulfides in the matrix of diaspore and kaolinite. -
ISO 639-3 New Code Request
ISO 639-3 Registration Authority Request for New Language Code Element in ISO 639-3 This form is to be used in conjunction with a “Request for Change to ISO 639-3 Language Code” form Date: 2007-8-27 Name of Primary Requester: Conrad Hurd E-mail address: [email protected] Names, affiliations and email addresses of additional supporters of this request: Associated Change request number : 2007-188 (completed by Registration Authority) Tentative assignment of new identifier : hrm (completed by Registration Authority) PLEASE NOTE: This completed form will become part of the public record of this change request and the history of the ISO 639-3 code set. Use Shift-Enter to insert a new line in a form field (where allowed). 1. NAMES and IDENTIFICATION a) Preferred name of language for code element denotation: Horned Miao b) Autonym (self-name) for this language: possibly Hmo or A-Hmo (personal communication from a Chinese Miao scholar, 24 August 2007); Hmongb Khuat Shuad Ndrangl--this applies only to one sub-group (unpublished paper, Johnson 1998, "Farwestern Hmongic," p. 13) c) Common alternate names and spellings of language, and any established abbreviations: The Horned Miao are also called Hmo or A-Hmo (personal communication from a Chinese Miao scholar, 24 August 2007), Jiao Miao, Jiaojiao Miao, Kha-Nzi, Hmong Khua Shua Ndrang, Hmong Sou, Bai Miao, and White Miao (Hattaway 2000, p. 215). d) Reason for preferred name: The people who speak the “Horned Miao” lect are best known for the large horn-shaped wooden combs around which the women who speak this language wrap their hair. -
My Visits to the Hmong in the Triangle of Guizhou, Sichuan and Yunnan
A Hmong Scholar’s Visit to China: the Hmong in the Triangle of Guizhou, Sichuan and Yunnan by Kou Yang Nyob luag ntuj yoog luag txuj, nyob luag av yoog luag tsav (‘In Rome be like the Romans’--- Hmong proverb) I have made a few visits to the Hmong of the triangle of Guizhou, Sichuan and Yunnan, and will highlight below two of these visits: the visit in August 2009 to the Hmong of Qianxi (黔西),and my 2014 visit to the Hmong of Xingwen, Gong xian, Junlian, Gulin, Xuyong, Yanjin, Yiliang and Zhaotong. In early August 2009, I led a group of international scholars of Hmong studies to do a post conference visit to the Hmong/Miao in Guizhou Province, China. This visit was under the auspices and sponsorship of the Guizhou Miao Studies Association (also known as the Miao Cultural Development Association), and the guidance of its Vice-President, Professor Zhang Xiao. The group visited both Qiandongnan (Southeast Guizhou) and Qianxi (West Guizhou) Hmong/Miao of Guizou. The visit was my third trip to Qiandongnan, so it was not so special because I had previously written about and travelled to many areas within Qiandongnan. Moreover, Qiandongnan has been Guizhou’s premier cultural tourist region for decades; the Hmu represent the largest sub-group of the Miao in Qiandongnan. The language of the Hmu belongs to the Eastern branch of the Miao language. Economically, educationally, and politically, the Hmu are much better off than the Hmong and Ah Mao, who speak the Western branch of the Miao language. For example, I met with so many politicians, bureaucrats and professors of Hmu ancestry in Guiyang, but only one professor of Hmong descent. -
Volume 90 Number 4 2003 Annals of the Missouri Botanical Garden
Volume 90 Annals Number 4 of the 2003 Missouri Botanical Garden A REVISION OF THE Yelin Huang,2 Peter W. Fritsch,3 and 2 IMBRICATE GROUP OF Suhua Shi STYRAX SERIES CYRTA (STYRACACEAE) IN ASIA1 ABSTRACT Several taxonomic treatments of Styrax (Styracaceae) exist in regional ¯oras of Asia, but the Asian species of the genus have not been comprehensively revised since 1907. To help rectify this, we conducted a taxonomic revision of the Asian species of Styrax series Cyrta with imbricate corolla aestivation. Our revision comprises 17 species with a combined distribution from Japan south to Sumatra and west to Nepal. The circumscriptions of the heretofore poorly de®ned species S. hookeri and S. serrulatus are clari®ed. Styrax agrestis var. curvirostratus is elevated to the species level, and lectotypes are selected for S. duclouxii, S. ¯oribundus, S. hemsleyanus, S. hookeri, S. hookeri var. yunnanensis, S. hypoglaucus, S. japonicus, S. limprichtii, S. macranthus, S. obassia, S. perkinsiae, S. serrulatus var. latifolius, S. shiraianus, S. supaii, and S. wilsonii. Keys, descriptions, and distribution maps are provided for all species. Key words: eastern Asia, Styracaceae, Styrax, Styrax series Cyrta. Styrax L. comprises about 130 species of trees ern Argentina and Uruguay (Fritsch, 1999, 2001). and shrubs distributed in eastern and southeastern Styrax is by far the largest and most widespread of Asia, the New World, and the Mediterranean region the 11 genera in the Styracaceae sensu Fritsch et (Fritsch, 1999). The range of this genus is typical al. (2001) and Fritsch (in press a). Characters of many plant groups distributed among the refugia unique to Styrax in relation to the family include a of Tertiary mixed-mesophytic forests in the North- stamen tube attached high (vs. -
Loan Agreement
OFFICIAL DOCUMENTS Public Disclosure Authorized LOAN NUMBER 8927-CN Loan Agreement Public Disclosure Authorized (Guizhou Aged Care System Development Program) between PEOPLE'S REPUBLIC OF CHINA and Public Disclosure Authorized INTERNATIONAL BANK FOR RECONSTRUCTION AND DEVELOPMENT Public Disclosure Authorized LOAN AGREEMENT AGREEMENT dated as of the Signature Date between PEOPLE'S REPUBLIC OF CHINA ("Borrower") and INTERNATIONAL BANK FOR RECONSTRUCTION AND DEVELOPMENT ("Bank"). The Borrower and the Bank hereby agree as follows: ARTICLE I - GENERAL CONDITIONS; DEFINITIONS 1.01. The General Conditions (as defined in the Appendix to this Agreement) apply to and form part of this Agreement. 1.02. Unless the context requires otherwise, the capitalized terms used in this Agreement have the meanings ascribed to them in the General Conditions or in the Appendix to this Agreement. ARTICLE II- LOAN 2.01. The Bank agrees to lend to the Borrower the amount of three hundred five million seven hundred thousand Euro (E305,700,000), as such amount may be converted from time to time through a Currency Conversion ("Loan"), to assist in financing the program described in Schedule 1 to this Agreement ("Program"). 2.02. The Borrower may withdraw the proceeds of the Loan in accordance with Section IV of Schedule 2 to this Agreement. All withdrawals from the Loan Account shall be deposited by the Bank into an account specified by the Borrower and acceptable to the Bank. 2.03. The Front-end Fee is one quarter of one percent (0.25%) of the Loan amount. 2.04. The Commitment Charge is one quarter of one percent (0.25%) per annum on the Unwithdrawn Loan Balance. -
Discovery of Sponge Body Fossils from the Late Meishucunian (Cambrian)At Jinsha , Guizhou, South China*
PROGRESS IN NATURAL SCIENCE Vol .15 , No .8 , August 2005 Discovery of sponge body fossils from the late Meishucunian (Cambrian)at Jinsha , Guizhou, south China* YANG Xinglian1, 2** , ZHAO Yuanlong2 , WANG Yue2 and WANG Pingli2 (1 .Nanjing Institute of Geology and Palaeontology , Chinese Academy of S ciences, Nanjing 210008 , C hina;2 .Institute of Resource and Environm ent , Guizhou University , Guiyang 550003 , China) Received December 28 , 2004 ;revised March 3 , 2005 Abstract Here w e report discovery of a sponge body fossil Triticispongia sp .from the base of low er Camb rian Niu titang Forma- tion at Jinsha , Guizhou .Stratigraphically , the fossil horizon is located below Ni-Mo ore layer with the Niutitang Biota above , and is equiv- alent to the late Meishucunian .The species is global in shape with skeletons composed of stau ractins and monaxons.Triticispongia sp .re- ported here may be the earliest sponge body fossils of Cambrian , w hich provides new information for understanding early evolution and ra- diation of sponge animals. Keywords: sponges, Cambrian, Niutitang Formation, Guizhou, China . Since abundant sponges and large bivalved first radiation of sponges should happen in the Niuti- arthropods from the low er Cambrian Niutitang For- tang time interval[ 8] . mation at Sancha , Dayong , Hunan Province were discovered[ 1, 2] , much attention has been paid to why Here we report the earliest sponge body fossils there are so many fossils preserved in the early Cam- located below Ni-M o ore layer from the late Meishu- brian black shale in this oxy gen-deficient environ- cunian pelitic silicalite , siliceous mudstone at the base ment .During recent years , m any w ell preserved mul- of the Niutitang Formation in Jinsha , Guizhou ti-phyla fossils were reported from the early Cambrian (Fig .1).Energy-dispersive X-ray (EDX) analysis [ 3—5] black shale no t only in Guizhou Province , but al- revealed that the sponge spicules are com posed of SiO 2 so in western Zhejiang and southern Anhui[ 6, 7] , south (Fig .2). -
Trace and Rare Earth Elements Constraints on the Sources of the Yunfeng Paleo-Karstic Bauxite Deposit in the Xiuwen-Qingzhen
Ore Geology Reviews 91 (2017) 404–418 Contents lists available at ScienceDirect Ore Geology Reviews journal homepage: www.elsevier.com/locate/oregeorev Trace and rare earth elements constraints on the sources of the Yunfeng T paleo-karstic bauxite deposit in the Xiuwen-Qingzhen area, Guizhou, China ⁎ Yongzhen Longa,b, , Guoxiang Chic, Jianping Liua,b, Zhongguo Jind, Tangen Daia,b a Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Central South University, Changsha 410083, China b School of Geosciences and Info-Physics, Central South University, Changsha 410083, China c Department of Geology, University of Regina, Saskatchewan S4S 0A2, Canada d Non-Ferrous Metals and Nuclear Industry Geological Exploration Bureau of Guizhou, Guiyang 550005, China ARTICLE INFO ABSTRACT Keywords: A number of Carboniferous paleo-karstic bauxite deposits occur in the Xiuwen-Qingzhen area, central Guizhou Paleo-karstic Province, which constitute an important part of the central Guizhou-Southern Chongqing bauxite belt in Bauxite deposit southwestern China. These deposits consist of lenticular and stratiform orebodies hosted in the Lower Provenance Carboniferous Jiujialu Formation, which lies unconformably above carbonate rocks (mainly dolomite) of the Uranium Middle and Upper Cambrian Loushanguan Group, Shilengshui Formation and Lower Cambrian Qingxudong Yunfeng Formation. Although it is generally agreed that the bauxite resulted from weathering of Cambrian rocks below Guizhou the unconformity, -
Introduction to a Sewage Treatment Pilot Project
Introduction to A Sewage Treatment Pilot Project with VGT in Caixin Village, Puding County, Guizhou Province, Southwest China Ziyuan Feng Guangzhou Vetiver Grass Industry Science and Technology Co. Ltd. Hanping Xia South China Botanical Garden, Chinese Academy Sciences Yuan Xiong The People’s Government of Anshun City June 2016 Project organizer: Agriculture Commission of Guizhou Province Project co-organizer: Agriculture Commission of Anshun City, Guizhou Province Project supervision unit: Agricultural Bureau of Puding Country, Guizhou Province Project construction unit : Guangzhou Vetiver Industry Science and Technology Co. Ltd. Project contents: 1. Integrated wastewater treatment system (60 m3/d) 2. Sewage pipe network collection system with a total length of 3000 m 3. Total project investment: 1.5 million Yuan Project completion date: November 2015 Project Profile • Caixin village is located in the Shawan Development Zone, Chengguan Town, Puding County, belonging to an economic tourism development demonstration site of municipal orchards; • The village is 6 kilometers away from the county town and 1.5 kilometers away from the drinking water source, "Yelang Lake" reservoir of Anshun City; • The whole village has a total of 129 households, of which 400 people are permanent residents; about 20 mu of fishing pond, 1000 mu (15 mu = 1 ha) of vineyard and 5 peasant-restaurants are built nearby. This village is one place of vacationlands for country or town residents; • Sewage treatment capacity of this project is 60 m3/day, and “biochemical reaction integrated system of ecological three- dimensional micro-circulation” is adopted in this project; • The project was funded by Agriculture Commission of Guizhou Province and Mayor’s Foundation of Anshun City. -
WHF 1996 17 2 P173-174 Eng.Pdf (45.76Kb)
Readers' Forum - it is no longer difficult to obtain an Zhijing County is one of the most severely appointment. endemic areas in Guizhou Province. A series of samples of rock, coal, soil, food, drinking These personal experiences and views are not water and air were taken from all the 102 vil intended as a criticism of the health care sys lages and towns in Zhijing County, covering a tem in Germany either before or after reunifi population of 720 000 over a total area of cation, and obviously no generalizations can 2907 sq. km. Compared with recommended be drawn from so small a sample. In addition, standard values, fluoride levels in the soil, coal the situation no doubt differs greatly in rural and air were significantly higher, as were locations. However, my involvement with the those in corn that had been smoked or stored primary health care concept leads me to in houses for more than two months. It was worry that perhaps overuse is made of tech clear that a relationship existed between fluo nology and treatment in areas where access is ride levels in coal, air and food, because no obstacle. There is certainly room in the freshly harvested crops were found to contain existing health system for a more effective much less fluoride. combination of disease prevention, continuity of care, and holistic approaches. Investigations revealed that the villagers habit ually burned coal in an uncovered and chim Walter Hubrich ney-less stove to smoke and dry the harvested Oberonstrasse 14 E, crops, especially corn, in order to prevent mil 01259 Dresden, Germany dew or rotting. -
Exceptional Vertebrate Biotas from the Triassic of China, and the Expansion of Marine Ecosystems After the Permo-Triassic Mass Extinction
Earth-Science Reviews 125 (2013) 199–243 Contents lists available at ScienceDirect Earth-Science Reviews journal homepage: www.elsevier.com/locate/earscirev Exceptional vertebrate biotas from the Triassic of China, and the expansion of marine ecosystems after the Permo-Triassic mass extinction Michael J. Benton a,⁎, Qiyue Zhang b, Shixue Hu b, Zhong-Qiang Chen c, Wen Wen b, Jun Liu b, Jinyuan Huang b, Changyong Zhou b, Tao Xie b, Jinnan Tong c, Brian Choo d a School of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK b Chengdu Center of China Geological Survey, Chengdu 610081, China c State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China d Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China article info abstract Article history: The Triassic was a time of turmoil, as life recovered from the most devastating of all mass extinctions, the Received 11 February 2013 Permo-Triassic event 252 million years ago. The Triassic marine rock succession of southwest China provides Accepted 31 May 2013 unique documentation of the recovery of marine life through a series of well dated, exceptionally preserved Available online 20 June 2013 fossil assemblages in the Daye, Guanling, Zhuganpo, and Xiaowa formations. New work shows the richness of the faunas of fishes and reptiles, and that recovery of vertebrate faunas was delayed by harsh environmental Keywords: conditions and then occurred rapidly in the Anisian. The key faunas of fishes and reptiles come from a limited Triassic Recovery area in eastern Yunnan and western Guizhou provinces, and these may be dated relative to shared strati- Reptile graphic units, and their palaeoenvironments reconstructed.