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Machine-made sand "flies" to an altitude of 270 meters
Reduce costs for key projects in the Guangdong-Hong Kong-Macao Greater Bay Area
Recently, the control project of the Zhongshan East Outer Ring Expressway, a key project in the Guangdong-Hong Kong-Macao Greater Bay Area, the south main tower of the Xiangshan Bridge, was successfully capped, marking a key step towards the opening of the double-deck steel truss cable-stayed bridge with the largest span and the widest bridge deck in China. The main span of Xiangshan Bridge is 880 meters, the tower is 270 meters high, equivalent to a 90-story building, and the upper and lower double decks are two-way 8 lanes, with the characteristics of super large span, super wide bridge deck, super high cable tower, super heavy load and super large cable force.
In order to solve the technical problems of high-tower pumping machine-made sand concrete, the project department finally selected high-quality machine-made sand as raw material after many tests and comparisons, and determined the optimal mix ratio by optimizing the formula of superplasticizer and comparing and selecting the combination of rubber materials, so that its working performance, strength and appearance meet the requirements. The first trial of machine-made sand on the ultra-high cable tower of Xiangshan Bridge has expanded the application range of machine-made sand, and also effectively reduced production costs.
A large gold mine was discovered in Bayannur, Inner Mongolia
The estimated potential value is $17 billion
The explorers of Tuguzhige Gold Mine in Urad Zhongqi recently discovered a large-scale gold mine in geological exploration, with a resource of 38 tons and an estimated potential value of about 17 billion yuan, which is another achievement of deep exploration of Bayannur Gold Mine in recent years.
The Tuguzhige gold mine, located near the town of Ganqimaodu, has completed 57 drilling operations this year, with a drilling workload of 27,14110m, exploration area 252km²。
This gold exploration will provide a geological basis for the rational development and utilization of mineral resources and the change of mining scope, and provide resource guarantee for extending the service life of the mine. There are 68 kinds of mineral deposits such as coal, oil, iron, lead and zinc, silica, crystalline graphite, granite and other minerals in the mineral resources of Urad Zhongqi. In particular, the proven reserves are 143 tons, the prospective reserves are 300 tons, and the annual output is nearly 48 tons, is the top ten counties and cities in the country;The reserves of crystalline graphite minerals exceed 100 million tons, which need to be developed urgently, and the potential economic value of mineral resources is more than 400 billion yuan.
Domestic information
The total investment is 16.2 billion yuan
Zhengzhou announced 10 urban renewal projects to be put into storage
On December 14, the Office of the Zhengzhou Urban Renewal Work Leading Group issued a public announcement on the warehousing of new urban renewal projects. After review, 10 urban renewal projects in Zhongyuan District, including Zhengzhou Sanmo Institute, Huashan Road North Courtyard and Laosuo District, met the storage conditions. Among them, 1 Economic Development Zone, 2 High-tech Zone, 1 Zhongyuan District, 2 Huiji District, 1 Gongyi City, 1 Xinmi City, 1 Zhongmu County, 1 Dengfeng City, 10 projects with a total investment of 161999.5 billion yuan. The publicity period is from December 14, 2023 to December 20, 2023.
Specifically, it includes the urban renewal project of the old district of Huashan Road North Courtyard of Zhengzhou Sanmo Institute in Zhongyuan District, the urban renewal project of the old community renovation of No. 199 Nanyang Road in Huiji District, the urban renewal project of Zhengzhou Xinji Home Building Materials Creative R&D and Design Industrial Park in Huiji District, the upgrading and transformation project of No. 76 Sixth Avenue in the Economic Development Zone, the urban renewal project of the High-tech and Mathematical Industrial Park in the High-tech Zone, the urban renewal project of Zhongyuan Pharmaceutical Factory in the High-tech Zone, the protection and inheritance project of the Red Revolution Site of Bingli School in Gongyi City, and the Xinmi Panda Biotechnology (Zhengzhou) Industrial Park Renewal Project, Urban Renewal Project of the Core Area of Yanminghu Town, Zhongmu County, Dengfeng City Brain-Smart City Construction Project (Phase I) Project.
The starting price is 300 million yuan
Ningbo sand and gravel mine with an annual output of 5.75 million tons was listed for sale
On December 11, Zhejiang Provincial Natural Resources Online Trading Center issued an announcement on the listing and transfer of mining rights for stone (tuff) mines in the comprehensive development and utilization of mining land in the small and micro enterprise agglomeration area of Juexi Street, Xiangshan County, Ningbo City. The total resources of the mine are 2581040,000 tons, the design and production scale is 5.75 million tons, the transfer period is 5 years, the starting price is 300 million yuan, and the online listing time is from January 9, 2024 to January 22, 2024. In addition, the bidder will be required to pay a total of approximately 1400 million yuan, wharf construction and channel dredging costs 1200 million yuan, etc., after calculation, the price of the mineral resource is at least 216 yuan tons.
According to the announcement, the income from the transfer of mining rights shall be paid in four installments, except for those voluntarily paid in a lump sum by the mining rights holder. 20% of the total income from the transfer of mining rights shall be paid in the first installment;26% of the total income from the transfer of mining rights shall be paid in the second installment;27% of the total income from the transfer of mining rights shall be paid in the third installmentIn the fourth installment, 27% of the total income from the transfer of mining rights will be paid.
International information
Intent to jump on the "cobalt car"?
Chile aims to be among the world's top three cobalt producers
Chile, the world's largest copper producer, has unveiled an ambitious plan to become one of the world's top three cobalt producers while boosting its lagging copper production. Copper is a key ingredient in the manufacture of electric vehicles, while cobalt, also known as "blue gold", is a by-product of copper and nickel ore processing.
Chile is already the world's second largest producer of lithium mines, and if it can successfully produce cobalt metal, Chile is expected to become a major country for battery metals. It is reported that almost all lithium-ion batteries currently use cobalt metal, and lithium-ion batteries in turn power mobile phones, laptops, tablets, Bluetooth devices and even electric toothbrushes.
Information materials** in the global crusher network, Shanghai nonferrous metals network, etc.