Taking Zunyi City of Guizhou Province as research area, the research performed spatial dynamic analysis and elastic coefficient method to evaluate the e- conomical and intensive utilization of the regional constructio...Taking Zunyi City of Guizhou Province as research area, the research performed spatial dynamic analysis and elastic coefficient method to evaluate the e- conomical and intensive utilization of the regional construction land, and to discuss the decision direction for economical and intensive utilization of the regional con- struction land. The results showed that, the population based land utilization both in Zunyi and the city districts and counties indicated extensive trend. The economy- based land utilization in Zunyi City, as well as in Huichun, Zunyi and Tongzi County presented intensive trend, however the other districts and counties were in extensive tendency. It concluded that the economical and intensive utilization of construction land should be focused on the rural collective construction land, and the potential tapping of rural collective construction land in rocky desertification area should be the first priority, otherwise, the regional economic development was unbalanced be- tween different district and county in Zunyi.展开更多
The Zunyi manganese deposits, which formed during the Middle to Late Permian period and are located in northern Guizhou and adjacent areas, are the core area of a series of large-medium scale manganese enrichment mine...The Zunyi manganese deposits, which formed during the Middle to Late Permian period and are located in northern Guizhou and adjacent areas, are the core area of a series of large-medium scale manganese enrichment minerogenesis in the southern margin and interior of the Yangtze platform, Southern China. This study reports the universal enrichment of rare earth elements(REEs) in Zunyi manganese deposits and examines the enrichment characteristics, metallogenic environment and genesis of REEs. The manganese ore bodies present stratiform or stratoid in shape, hosted in the silicon–mud–limestones of the Late Permian Maokou Formation. The manganese ores generally present lamellar, massive, banded and brecciated structures, and mainly consist of rhodochrosite, ropperite, tetalite, capillitite, as well as contains paragenetic gangue minerals including pyrite, chalcopyrite, rutile, barite, tuffaceous clay rock, etc. The manganese ores have higher ΣREE contents range from 158 to 1138.9 ppm(average 509.54 ppm). In addition, the ΣREE contents of tuffaceous clay rock in ore beds vary from 1032.2 to 1824.5 ppm(average 1396.42 ppm). The REEs from manganese deposits are characterized by La, Ce, Nd and Y enriched, and existing in the form of independent minerals(e.g., monazite and xenotime), indicating Zunyi manganese deposits enriched in light rare earth elements(LREE). The Ceanom ratios(average-0.13) and lithofacies and paleogeography characteristics indicate that Zunyi manganese deposits were formed in a weak oxidation-reduction environment. The(La/Yb)ch, Y/Ho,(La/Nd)N,(Dy/Yb)N, Ce/Ce* and Eu/Eu* values of samples from the Zunyi manganese deposits are 5.53–56.92, 18–39, 1.42–3.15, 0.55–2.20, 0.21–1.76 and 0.48–0.86, respectively, indicating a hydrothermal origin for the manganese mineralization and REEs enrichment. The δ13 CV-PDB(-0.54 to-18.1‰) and δ18 OSMOW(21.6 to 26.0‰) characteristics of manganese ores reveal a mixed source of magmatic and organic matter. Moreover, the manganese ore, tuffaceous clay rock and Emeishan basalt have extremely similar REE fractionation characteristic, suggesting REEs enrichment and manganese mineralization have been mainly origin from hydrothermal fluids.展开更多
Based on detailed field surveys,numerous sections and drillcores as well as analyses of lithofacies and sedimentary facies,sedimentary differentiation in the Middle Permian Zunyi(northern Guizhou,South China)trough ba...Based on detailed field surveys,numerous sections and drillcores as well as analyses of lithofacies and sedimentary facies,sedimentary differentiation in the Middle Permian Zunyi(northern Guizhou,South China)trough basin was studied in detail.Caused by activities of the Emeishan mantle plume,the regional extensional setting and the extinguishing of carbonate production factories were shown from Guizhou to Yunnan.Three types of sedimentary enironments were developed in the study area:platform,slope,and basin.In this work,we established a sedimentary model for the study area,identified 14 syndepositional faults,and created the detailed reconstruction of the trough basin via a sedimentological investigation.It is found that the paleogeographic evolution of the study area can be divided into six stages:(1)a pre-rifting stage,(2)rapid rifting and subsidence,(3)stable rifting and subsidence,(4)the second stage of rifting and subsidence,(5)silicification,and(6)regional uplift and denudation.The sedimentary features and paleogeographic evolution of the Maokou Formation in Zunyi show that the platform,slope,and basin sedimentary features coexisted.In addition,the extensional setting and extinguishing of carbonate production factories were important preconditions for the evolution of the platform region in the study area,and the activity of syndepositional faults also played an important role in the paleogeographic evolution of this area.展开更多
Professor Zunyi Yang is a pioneer paleontologist who established the earliest Paleontological education and research in China, and has contributed his lifetime to promotion of Chinese paleontological education and res...Professor Zunyi Yang is a pioneer paleontologist who established the earliest Paleontological education and research in China, and has contributed his lifetime to promotion of Chinese paleontological education and researches as well as the studies on the Permian-Triassic （P-Tr） mass extinction and its possible causes. Yang has studied six fossil clades and trace fossils, together with his colleagues, he has established 6 new species of cephalopods, 1 new genus and 15 new species of gastropods, 8 new genera and 31 new species of bivalves, 17 new genera and 66 new species of brachiopods, 1 new genus and 4 new species of ophiuroids, 2 new genera and 7 new species of triopsids （Crustacea）, and 3 new ichnogenera and 7 new ichnospeeies of trace fossils. Yang led the 2nd IGCP working on the P-Tr mass extinction in the world. His group＇s excellent works on basic stratigraphy and paleontology enable the GSSP of P-~r boundary （PTB） to be ratified in China. Yang＇s earlier works on three-episode extinction pattern and volcanism-causing extinction hypothesis are also highlighted here to show how their first-hand data and initiative hypothesis have influenced the current and ongoing debates on the P-Tr crisis and possible causation. Yang school＇s extinction pattern is reviewed here, and their 2nd phase of extinction is marked by a dramatic loss in biodiversity, pointing to a widely accepted mass extinction. The 3rd extinction is characterized by ecological collapse of ecosystem structures and disappearance of the PTB microbialite ecosystem, while the 1st extinction （also prelude extinction） is indicated by the collapses of deep-water and reef ecosystems. Updated studies show that the volcanic ashes near the PTB originated from silicic, subduction-related igneous activity with little or no basaltic input. This subduction zone activity is related to closure of the Paleo-Tethys Ocean, and the intensity and frequency of the volcanic activity appear to increase near the P-Tr extinction interval. Hg anomalies （Hg/TOC ratios and Hg isotopes） were also detected from the P-Tr extinction interval, and they are interpreted as the results of enhanced volcanic-generated atmospheric mercury, which was injected by the violate eruption of the Siberian traps. Thus, the peak felsic volcanism is coeval with violate eruption of Siberian traps, and the coupled relationship between both types of volcanisms and biotic extinction suggests a causal relationship.展开更多
[Objectives]This study was conducted to clarify the enrichment and paucity of trace elements in the soil environment of peach orchards in Zunyi City,and to provide reference for supplementary application of microeleme...[Objectives]This study was conducted to clarify the enrichment and paucity of trace elements in the soil environment of peach orchards in Zunyi City,and to provide reference for supplementary application of microelement fertilizers and high-quality peach production in peach orchards.[Methods]Taking the soil of three typical peach orchards(Taoli Renjia peach orchard,Pengrui peach orchard and Taohuadao peach orchard)in Shenxi Town,Honghuagang District,Zunyi City as the research object,the contents of trace elements in soil were analyzed through field sampling and indoor determination of trace elements.[Results]The effective contents of trace elements in the soil of peach orchard bases in the study area were at a medium level,and the soil of the peach orchards was rich in available Fe and Se.The contents of available Cu,Mo and Mn were relatively rich.The contents of available B were not high overall.The contents of available Zn were at a moderate to low level overall.The soil of Taoli Renjia peach orchard was relatively rich in trace elements.[Conclusions]The research results can provide a scientific basis for the production of high-quality crispy peaches in peach orchards.展开更多
Green space,as a medium for carrying out urban functions and guiding urban development,is becoming a scarce resource along with the urbanization process and the intensification of environmental problems.In the face of...Green space,as a medium for carrying out urban functions and guiding urban development,is becoming a scarce resource along with the urbanization process and the intensification of environmental problems.In the face of the spatial mismatch between high demand and low supply,it is of great significance to clarify the evolution mechanism of green space to undertake national spatial planning,protect the natural strategic resources in the urban fringe area,and promote the sustainable development of the“three living spaces.”The study focuses on the Zunyi City Center,selecting the 20 years of rapid development following its establishment as a city as the study period.It explores the dynamic evolution of green space and the main driving forces during different periods using remote-sensing image data.The study shows that from 2003 to 2023,the total scale of green space has an obvious decreasing trend along with the expansion of the urban built-up area.A large amount of arable land is being converted to construction land,resulting in a sudden decrease in arable land area.In the past 10 years,the comprehensive land use dynamics have accelerated.Still,the spatial difference has gradually narrowed,indicating that the overall development intensity of Zunyi City’s central urban area has increased.There is a gradual spread of the trend to the hilly areas.The limiting effect of the mountainous natural environment on the city’s development has gradually diminished under the superposition of external factors,such as economic development,industrial technological upgrading,and policy orientation so the importance of the effective protection and rational utilization of urban green space has become more prominent.展开更多
Zunyi Meeting On January 15,2025,a commemorative conference marking the 90th anniversary of the Zunyi Meeting,a crucial turning point during the Long March(1934–1936)that marked the maturity of the Communist Party of...Zunyi Meeting On January 15,2025,a commemorative conference marking the 90th anniversary of the Zunyi Meeting,a crucial turning point during the Long March(1934–1936)that marked the maturity of the Communist Party of China(CPC),was held in Zunyi,southwest China's Guizhou Province.展开更多
On September 21,2018,Export-Import Bank of China officially grant the first loan of RMB200 million to Chinalco Zunyi Company,marking the successful implementation of the alumina project financing in Zunyi.
High-level talent is an important part of the university talent strategy,how to effectively manage high-level talent is the most important issue at present.Especially located in the western mountainous area“ZUNYI Nor...High-level talent is an important part of the university talent strategy,how to effectively manage high-level talent is the most important issue at present.Especially located in the western mountainous area“ZUNYI Normal College”such as colleges and universities,funding sources,poor research conditions and other disadvantages led to the poor attractiveness of the university’s talent,the phenomenon of serious brain drain,high-level talent management systematic research has a greater theoretical significance and important practical significance.This paper combines ZUNYI Normal College’s own schooling characteristics,summarizes the ZUNYI Normal College high-level talent management problems exist in the main social factors,school factors,the talent’s own factors and other factors in three major aspects,respectively,from the government,schools and talents from the individual three perspectives to propose management strategies and countermeasures.展开更多
Zunyi in the eyes of international students'Study Abroad in China:Findings and Thoughts',a project based on the Golden Key Project,was carried out in May and June.Fourteen students from foreign countries were ...Zunyi in the eyes of international students'Study Abroad in China:Findings and Thoughts',a project based on the Golden Key Project,was carried out in May and June.Fourteen students from foreign countries were invited to visit poor rural areas covered by the CPAFFC’s Rainbow Bridge Project,which is designed to give international businesses a link to rural China.展开更多
The Zunyi aluminum alloy project with an annual capacity of 300,000 tons and the aluminum carriage construction project for new energy vehicles of SPIC Guizhou(Zunyi)Industry Development Co.,Ltd.The contracted amount ...The Zunyi aluminum alloy project with an annual capacity of 300,000 tons and the aluminum carriage construction project for new energy vehicles of SPIC Guizhou(Zunyi)Industry Development Co.,Ltd.The contracted amount is RMB 7.6 billion.Zunyi is the largest industrial city of Guizhou,where the aluminum industry has been one of its important industries for local展开更多
基金Supported by Guiyang Science and Technology Project([2012103]81)Guizhou Science and Technology Project([2012]3058)~~
文摘Taking Zunyi City of Guizhou Province as research area, the research performed spatial dynamic analysis and elastic coefficient method to evaluate the e- conomical and intensive utilization of the regional construction land, and to discuss the decision direction for economical and intensive utilization of the regional con- struction land. The results showed that, the population based land utilization both in Zunyi and the city districts and counties indicated extensive trend. The economy- based land utilization in Zunyi City, as well as in Huichun, Zunyi and Tongzi County presented intensive trend, however the other districts and counties were in extensive tendency. It concluded that the economical and intensive utilization of construction land should be focused on the rural collective construction land, and the potential tapping of rural collective construction land in rocky desertification area should be the first priority, otherwise, the regional economic development was unbalanced be- tween different district and county in Zunyi.
基金financially supported by the project of the graduate scientific research fund of Guizhou Province(No.KYJJ2017009)the National Natural Science Foundation of China(No.U1812402)+1 种基金the project of the scientific and technological innovation team of sedimentary deposits in Guizhou Province(No.20185613)the Project of Talent Base in Guizhou Province(No.RCJD2018-21).
文摘The Zunyi manganese deposits, which formed during the Middle to Late Permian period and are located in northern Guizhou and adjacent areas, are the core area of a series of large-medium scale manganese enrichment minerogenesis in the southern margin and interior of the Yangtze platform, Southern China. This study reports the universal enrichment of rare earth elements(REEs) in Zunyi manganese deposits and examines the enrichment characteristics, metallogenic environment and genesis of REEs. The manganese ore bodies present stratiform or stratoid in shape, hosted in the silicon–mud–limestones of the Late Permian Maokou Formation. The manganese ores generally present lamellar, massive, banded and brecciated structures, and mainly consist of rhodochrosite, ropperite, tetalite, capillitite, as well as contains paragenetic gangue minerals including pyrite, chalcopyrite, rutile, barite, tuffaceous clay rock, etc. The manganese ores have higher ΣREE contents range from 158 to 1138.9 ppm(average 509.54 ppm). In addition, the ΣREE contents of tuffaceous clay rock in ore beds vary from 1032.2 to 1824.5 ppm(average 1396.42 ppm). The REEs from manganese deposits are characterized by La, Ce, Nd and Y enriched, and existing in the form of independent minerals(e.g., monazite and xenotime), indicating Zunyi manganese deposits enriched in light rare earth elements(LREE). The Ceanom ratios(average-0.13) and lithofacies and paleogeography characteristics indicate that Zunyi manganese deposits were formed in a weak oxidation-reduction environment. The(La/Yb)ch, Y/Ho,(La/Nd)N,(Dy/Yb)N, Ce/Ce* and Eu/Eu* values of samples from the Zunyi manganese deposits are 5.53–56.92, 18–39, 1.42–3.15, 0.55–2.20, 0.21–1.76 and 0.48–0.86, respectively, indicating a hydrothermal origin for the manganese mineralization and REEs enrichment. The δ13 CV-PDB(-0.54 to-18.1‰) and δ18 OSMOW(21.6 to 26.0‰) characteristics of manganese ores reveal a mixed source of magmatic and organic matter. Moreover, the manganese ore, tuffaceous clay rock and Emeishan basalt have extremely similar REE fractionation characteristic, suggesting REEs enrichment and manganese mineralization have been mainly origin from hydrothermal fluids.
基金supported by the Young Talent Funding of Guizhou Province(No.2019-5654)the China Geological Survey(CGS)(No.DD20190159-16)+5 种基金the Guizhou Science Innovation Team Project(No.2018-5618)the Natural Science Funding of Guizhou(Nos.2019-2868 and 2019-2951)the Research Funding of Guizhou Bureau of Geology and Mineral Exploration and Development(No.2016-3)the Bureau of Geology and Mineral Resources Exploration and Development Major Research Project of Guizhou Province(Guizhou Geology and Mining Sci-Coop[2021]03)the Science and Technology Plan Projectof Guizhou Province(Guizhou Sci-Zhongyindi No.[2021]4027)the Prospecting Breakthrough Strategic Action Major Collaborative Innovation Project of Guizhou Province(No.2022[ZD003]).
文摘Based on detailed field surveys,numerous sections and drillcores as well as analyses of lithofacies and sedimentary facies,sedimentary differentiation in the Middle Permian Zunyi(northern Guizhou,South China)trough basin was studied in detail.Caused by activities of the Emeishan mantle plume,the regional extensional setting and the extinguishing of carbonate production factories were shown from Guizhou to Yunnan.Three types of sedimentary enironments were developed in the study area:platform,slope,and basin.In this work,we established a sedimentary model for the study area,identified 14 syndepositional faults,and created the detailed reconstruction of the trough basin via a sedimentological investigation.It is found that the paleogeographic evolution of the study area can be divided into six stages:(1)a pre-rifting stage,(2)rapid rifting and subsidence,(3)stable rifting and subsidence,(4)the second stage of rifting and subsidence,(5)silicification,and(6)regional uplift and denudation.The sedimentary features and paleogeographic evolution of the Maokou Formation in Zunyi show that the platform,slope,and basin sedimentary features coexisted.In addition,the extensional setting and extinguishing of carbonate production factories were important preconditions for the evolution of the platform region in the study area,and the activity of syndepositional faults also played an important role in the paleogeographic evolution of this area.
基金partly supported by three NSFC research grants (Nos. 41661134047, 41772007, 41730320)one Hubei Provincial Natural Science Foundation grant (No. 2017CFA019)
文摘Professor Zunyi Yang is a pioneer paleontologist who established the earliest Paleontological education and research in China, and has contributed his lifetime to promotion of Chinese paleontological education and researches as well as the studies on the Permian-Triassic （P-Tr） mass extinction and its possible causes. Yang has studied six fossil clades and trace fossils, together with his colleagues, he has established 6 new species of cephalopods, 1 new genus and 15 new species of gastropods, 8 new genera and 31 new species of bivalves, 17 new genera and 66 new species of brachiopods, 1 new genus and 4 new species of ophiuroids, 2 new genera and 7 new species of triopsids （Crustacea）, and 3 new ichnogenera and 7 new ichnospeeies of trace fossils. Yang led the 2nd IGCP working on the P-Tr mass extinction in the world. His group＇s excellent works on basic stratigraphy and paleontology enable the GSSP of P-~r boundary （PTB） to be ratified in China. Yang＇s earlier works on three-episode extinction pattern and volcanism-causing extinction hypothesis are also highlighted here to show how their first-hand data and initiative hypothesis have influenced the current and ongoing debates on the P-Tr crisis and possible causation. Yang school＇s extinction pattern is reviewed here, and their 2nd phase of extinction is marked by a dramatic loss in biodiversity, pointing to a widely accepted mass extinction. The 3rd extinction is characterized by ecological collapse of ecosystem structures and disappearance of the PTB microbialite ecosystem, while the 1st extinction （also prelude extinction） is indicated by the collapses of deep-water and reef ecosystems. Updated studies show that the volcanic ashes near the PTB originated from silicic, subduction-related igneous activity with little or no basaltic input. This subduction zone activity is related to closure of the Paleo-Tethys Ocean, and the intensity and frequency of the volcanic activity appear to increase near the P-Tr extinction interval. Hg anomalies （Hg/TOC ratios and Hg isotopes） were also detected from the P-Tr extinction interval, and they are interpreted as the results of enhanced volcanic-generated atmospheric mercury, which was injected by the violate eruption of the Siberian traps. Thus, the peak felsic volcanism is coeval with violate eruption of Siberian traps, and the coupled relationship between both types of volcanisms and biotic extinction suggests a causal relationship.
基金Supported by Zunyi City-School Joint Science and Technology R&D Fund (ZSKH HZ Z[2023]159)Natural Science Research Project of Guizhou Provincial Department of Education (QJJ[2022]067+3 种基金QJJ[2023]043)Guizhou Provincial Scientific Special Commissioner Innovation and Entrepreneurship Service Training Demonstration Base (HHG2023001)Zunyi Science and Technology Support Program (ZSKHZC NS[2023]15)Science and Technology Cooperation Project of Honghuagang District,Zunyi City (ZHKHSZ[2022]03)。
文摘[Objectives]This study was conducted to clarify the enrichment and paucity of trace elements in the soil environment of peach orchards in Zunyi City,and to provide reference for supplementary application of microelement fertilizers and high-quality peach production in peach orchards.[Methods]Taking the soil of three typical peach orchards(Taoli Renjia peach orchard,Pengrui peach orchard and Taohuadao peach orchard)in Shenxi Town,Honghuagang District,Zunyi City as the research object,the contents of trace elements in soil were analyzed through field sampling and indoor determination of trace elements.[Results]The effective contents of trace elements in the soil of peach orchard bases in the study area were at a medium level,and the soil of the peach orchards was rich in available Fe and Se.The contents of available Cu,Mo and Mn were relatively rich.The contents of available B were not high overall.The contents of available Zn were at a moderate to low level overall.The soil of Taoli Renjia peach orchard was relatively rich in trace elements.[Conclusions]The research results can provide a scientific basis for the production of high-quality crispy peaches in peach orchards.
文摘Green space,as a medium for carrying out urban functions and guiding urban development,is becoming a scarce resource along with the urbanization process and the intensification of environmental problems.In the face of the spatial mismatch between high demand and low supply,it is of great significance to clarify the evolution mechanism of green space to undertake national spatial planning,protect the natural strategic resources in the urban fringe area,and promote the sustainable development of the“three living spaces.”The study focuses on the Zunyi City Center,selecting the 20 years of rapid development following its establishment as a city as the study period.It explores the dynamic evolution of green space and the main driving forces during different periods using remote-sensing image data.The study shows that from 2003 to 2023,the total scale of green space has an obvious decreasing trend along with the expansion of the urban built-up area.A large amount of arable land is being converted to construction land,resulting in a sudden decrease in arable land area.In the past 10 years,the comprehensive land use dynamics have accelerated.Still,the spatial difference has gradually narrowed,indicating that the overall development intensity of Zunyi City’s central urban area has increased.There is a gradual spread of the trend to the hilly areas.The limiting effect of the mountainous natural environment on the city’s development has gradually diminished under the superposition of external factors,such as economic development,industrial technological upgrading,and policy orientation so the importance of the effective protection and rational utilization of urban green space has become more prominent.
文摘Zunyi Meeting On January 15,2025,a commemorative conference marking the 90th anniversary of the Zunyi Meeting,a crucial turning point during the Long March(1934–1936)that marked the maturity of the Communist Party of China(CPC),was held in Zunyi,southwest China's Guizhou Province.
文摘On September 21,2018,Export-Import Bank of China officially grant the first loan of RMB200 million to Chinalco Zunyi Company,marking the successful implementation of the alumina project financing in Zunyi.
文摘High-level talent is an important part of the university talent strategy,how to effectively manage high-level talent is the most important issue at present.Especially located in the western mountainous area“ZUNYI Normal College”such as colleges and universities,funding sources,poor research conditions and other disadvantages led to the poor attractiveness of the university’s talent,the phenomenon of serious brain drain,high-level talent management systematic research has a greater theoretical significance and important practical significance.This paper combines ZUNYI Normal College’s own schooling characteristics,summarizes the ZUNYI Normal College high-level talent management problems exist in the main social factors,school factors,the talent’s own factors and other factors in three major aspects,respectively,from the government,schools and talents from the individual three perspectives to propose management strategies and countermeasures.
文摘Zunyi in the eyes of international students'Study Abroad in China:Findings and Thoughts',a project based on the Golden Key Project,was carried out in May and June.Fourteen students from foreign countries were invited to visit poor rural areas covered by the CPAFFC’s Rainbow Bridge Project,which is designed to give international businesses a link to rural China.
文摘The Zunyi aluminum alloy project with an annual capacity of 300,000 tons and the aluminum carriage construction project for new energy vehicles of SPIC Guizhou(Zunyi)Industry Development Co.,Ltd.The contracted amount is RMB 7.6 billion.Zunyi is the largest industrial city of Guizhou,where the aluminum industry has been one of its important industries for local
