18 years ago, when exhibition industry was merely a concept in China, Liu Jianping, President of LINGTONG started to work on exhibition equipment and set up Lingtong Exhibition Products Co., Ltd in Changzhou. The comp...18 years ago, when exhibition industry was merely a concept in China, Liu Jianping, President of LINGTONG started to work on exhibition equipment and set up Lingtong Exhibition Products Co., Ltd in Changzhou. The company has become the earliest specialized company involved in development, research and production of exhibition equipment in China.展开更多
Taking the contribution of the tectonic force to the total hydrostatic pressure into account, the author puts forward a new method on the calculation of the depth of petrogenesis and metallogenesis which is summarized...Taking the contribution of the tectonic force to the total hydrostatic pressure into account, the author puts forward a new method on the calculation of the depth of petrogenesis and metallogenesis which is summarized as follows: first the tectonic added hydrostatic pressured Ps is subtracted from the total hydrostatic pressure P, then using their difference Pr, according to the general method the depth of petrogenesis and metallogenesis can be determined in consideration of lateral constraint.By the new method the following data on the depths of the metallogenesis are obtained: 2 243.6 m (No. I and No. II veins with metallogenic epoch of 105 Ma) and 1 632.38 m (No. III vein with 105 Ma) for Jiaojia orefield, and 3 454.97 m (NE-trending zone with 213.2 Ma), 1 902.79 m (ENE-trending zone with 100.28 Ma), 1 090.97 m (NE-trending zone with 80.67 Ma) and 720.55 m (NNE-trending zone with 71.86 Ma) for Linglong orefield.展开更多
文摘18 years ago, when exhibition industry was merely a concept in China, Liu Jianping, President of LINGTONG started to work on exhibition equipment and set up Lingtong Exhibition Products Co., Ltd in Changzhou. The company has become the earliest specialized company involved in development, research and production of exhibition equipment in China.
基金Project supported by the Foundation of State Planning Commission, China and the Foundation of the State Science and Technology Commission,China
文摘Taking the contribution of the tectonic force to the total hydrostatic pressure into account, the author puts forward a new method on the calculation of the depth of petrogenesis and metallogenesis which is summarized as follows: first the tectonic added hydrostatic pressured Ps is subtracted from the total hydrostatic pressure P, then using their difference Pr, according to the general method the depth of petrogenesis and metallogenesis can be determined in consideration of lateral constraint.By the new method the following data on the depths of the metallogenesis are obtained: 2 243.6 m (No. I and No. II veins with metallogenic epoch of 105 Ma) and 1 632.38 m (No. III vein with 105 Ma) for Jiaojia orefield, and 3 454.97 m (NE-trending zone with 213.2 Ma), 1 902.79 m (ENE-trending zone with 100.28 Ma), 1 090.97 m (NE-trending zone with 80.67 Ma) and 720.55 m (NNE-trending zone with 71.86 Ma) for Linglong orefield.
