China has abundant reserves of magnesite, making it the world’s leading source of this strategic mineral.Sparry magnesite is the main type of magnesite deposit, and is easy to exploit.It occurs mainly as the sediment...China has abundant reserves of magnesite, making it the world’s leading source of this strategic mineral.Sparry magnesite is the main type of magnesite deposit, and is easy to exploit.It occurs mainly as the sedimentary-metamorphic type.Production is centred on eastern Liaoning Province, where a world-class large to super large magnesite ore processing and production facility has been developed.Hydrothermal metasomatic deposits, associated with ultramafic complexes and eluvial deposits produced by weathering, are two other important types found in China.The Western section of the Bangonghu-Nujiang metallogenic belt is an important target region for prospecting lake-sedimentary magnesite deposits.Based on a systematic analysis of material from 62 magnesite production areas, this study investigated the metallogeny of magnesite and delineated 13 magnesite metallogenic belts.Maps were produced showing metallogenic regularities in magnesite deposits, the metallogenic system of the magnesite deposits, and the distribution of the metallogenic belts of Chinese magnesite deposits.It provides a theoretical basis for forecasting the location of potential magnesite resources in China.Finally, it explores some key scientific issues, including the formation processes of ultra magnesite ore-concentrated areas, and their sources of magnesium.展开更多
Precision Livestock Farming(PLF)is potentially one of the most powerful developments amongst a number of interesting new and upcoming technologies that have the potential to revolutionise the livestock farming industr...Precision Livestock Farming(PLF)is potentially one of the most powerful developments amongst a number of interesting new and upcoming technologies that have the potential to revolutionise the livestock farming industries.If properly implemented,PLF or Smart Farming could(1)improve or at least objectively document animal welfare on farms;(2)reduce greenhouse gas(GHG)emission and improve environmental performance of farms;(3)facilitate product segmentation and better marketing of livestock products;(4)reduce illegal trading of livestock products;and(5)improve the economic stability of rural areas.However,there are only a few examples of successful commercialisation of PLF technologies introduced by a small number of commercial companies which are actively involved in the PLF commercialisation process.To ensure that the potential of PLF is taken to the industry,it is recommended to:(1)establish a new service industry;(2)verify,demonstrate and publicise the benefits of PLF;(3)better coordinate the efforts of different industry and academic organisations interested in the development and implementation of PLF technologies on farms;and(4)encourage the commercial sectors to assist with professionally managed product development.展开更多
基金supported by the China Geological Survey Program (Grant No.1212010633903, 1212011220369)the National Natural Science Foundation of China (Grant No.41372092)the Chinese National Non-profit Institute Research Grant of CAGS-IMR (K1303)
文摘China has abundant reserves of magnesite, making it the world’s leading source of this strategic mineral.Sparry magnesite is the main type of magnesite deposit, and is easy to exploit.It occurs mainly as the sedimentary-metamorphic type.Production is centred on eastern Liaoning Province, where a world-class large to super large magnesite ore processing and production facility has been developed.Hydrothermal metasomatic deposits, associated with ultramafic complexes and eluvial deposits produced by weathering, are two other important types found in China.The Western section of the Bangonghu-Nujiang metallogenic belt is an important target region for prospecting lake-sedimentary magnesite deposits.Based on a systematic analysis of material from 62 magnesite production areas, this study investigated the metallogeny of magnesite and delineated 13 magnesite metallogenic belts.Maps were produced showing metallogenic regularities in magnesite deposits, the metallogenic system of the magnesite deposits, and the distribution of the metallogenic belts of Chinese magnesite deposits.It provides a theoretical basis for forecasting the location of potential magnesite resources in China.Finally, it explores some key scientific issues, including the formation processes of ultra magnesite ore-concentrated areas, and their sources of magnesium.
文摘Precision Livestock Farming(PLF)is potentially one of the most powerful developments amongst a number of interesting new and upcoming technologies that have the potential to revolutionise the livestock farming industries.If properly implemented,PLF or Smart Farming could(1)improve or at least objectively document animal welfare on farms;(2)reduce greenhouse gas(GHG)emission and improve environmental performance of farms;(3)facilitate product segmentation and better marketing of livestock products;(4)reduce illegal trading of livestock products;and(5)improve the economic stability of rural areas.However,there are only a few examples of successful commercialisation of PLF technologies introduced by a small number of commercial companies which are actively involved in the PLF commercialisation process.To ensure that the potential of PLF is taken to the industry,it is recommended to:(1)establish a new service industry;(2)verify,demonstrate and publicise the benefits of PLF;(3)better coordinate the efforts of different industry and academic organisations interested in the development and implementation of PLF technologies on farms;and(4)encourage the commercial sectors to assist with professionally managed product development.
