The top ten geological prospecting results in 2018 announced

The Weirong shale gas field in the Sichuan Basin has proven 100 billion cubic meters of deep shale gas

Sinopec Southwest Oil and Gas Branch has discovered a large shale gas field of over 100 billion cubic meters in the deep shale gas field of the Sichuan Basin. In view of the geological evaluation, drilling and completion and fracturing problems of deep shale gas with a burial depth of more than 3,500 meters, the research team liberated their minds, innovated theoretical understanding, deepened resource evaluation, and strengthened technical research. Innovatively proposed a theory and four supporting technologies: First, for the first time, the "ternary" enrichment theory of "high-quality phase zones, suitable evolution, and good preservation" of deep marine shale gas was proposed; second, the deep shale gas accumulation theory was established The third is to establish a double "sweet spot" geophysical prediction technology for deep shale gas geological engineering; the fourth is to establish a technology for optimal fast drilling and horizontal well trajectory optimization control Fifth, we have established deep shale gas fracturing technology to control near-expansion and improve the effectiveness of fracture and cluster stimulation. Weirong Gas Field has submitted proven reserves of 124.7 billion cubic meters, which has established a new frontier for production capacity construction. It has good social and economic benefits and is of great significance to promoting green development.

New breakthrough in uranium exploration in Qianjiadian Sag, Kailu Basin, Inner Mongolia

A team headed by Meng Weigong of PetroChina Liaohe Oilfield as the chief expert identified a super-large in-situ leachable sandstone uranium deposit in the Qianjiadian Sag of the Kailu Basin in Inner Mongolia. The major discovery of the Qianjiadian uranium deposit pioneered the comprehensive uranium search in non-nuclear systems in my country, and filled the gap in searching for in-situ leachable sandstone uranium deposits in the oil and gas basins in Northeast my country. After years of exploration practice and accumulation, the Liaohe Oilfield expert team relied on the new thinking of "exploring both oil and uranium, turning one mine into two mines" and finally achieved the "Five Ones" results in the Qianjiadian uranium mine, that is: innovating one Xiang Xiang's sandstone-type uranium mineralization theory has opened up a new type of prospecting model, formed a number of unique mining technologies, created a uranium resource evaluation system, and identified a very large-scale uranium ore body. It has played a leading and demonstrative role in the exploration of sandstone uranium deposits in China Petroleum and the country, and laid a solid resource foundation for the construction of my country's natural uranium Tongliao base.

Zhugongtang, Hezhang County, Guizhou Province achieved a major breakthrough in lead-zinc ore prospecting

A team headed by He Lianglun, the chief expert of the 113 Geological Brigade of the Guizhou Provincial Bureau of Geology and Mineral Resources, discovered and verified a super-large lead-zinc deposit in Zhugongtang, Hezhang County. The project team systematically summarized the mineralization rules, changed the thinking of mineral prospecting, broke through the constraints of traditional prospecting understanding, delineated deep prospecting target areas, and built a "trinity" prospecting prediction geological model. After 6 years of continuous exploration, 69 lead-zinc ore bodies were delineated, and 2.7582 million tons of lead and zinc were discovered. It is the first super-large lead-zinc deposit in Guizhou. The discovery of this deposit shows that northwest Guizhou has good lead and zinc prospecting prospects, and points out a new direction and prospecting ideas for geological prospecting in northwest Guizhou. The deposit is located in the hinterland of the national-level Wumeng Mountain contiguous poverty alleviation area and has huge potential economic value. The development and utilization of its resources is of great significance to the poverty alleviation in the Wumeng Mountain contiguous poverty alleviation area.

The large-scale lithium-tin polymetallic deposit Verasto was discovered in Keshiketeng Banner, Inner Mongolia Autonomous Region

The Fourth Geological Exploration Institute of Henan Provincial Bureau of Geology and Mineral Resources discovered a super-large bauxite deposit deep in the Yanlong Coalfield. The mining area is located on the southeast side of Luoyang Basin and on the north wing of Songshan anticline. The metallogenic zone belongs to the Yan (Shi) Gong (County) Xing (Yang) IV bauxite subdivision of the Songshan-Jishan bauxite mineralization area. The ore body occurs in the Benxi Formation of the Carboniferous System, and is dominated by bauxite, with symbiotic refractory clay, alumina, pyrite, siderite, and associated gallium elements. It is also a super-large sedimentary deposit that can be comprehensively utilized. A total of 107,533 meters of drilling and 89,377 meters of well logging have been completed in the entire region. 16 bauxite bodies have been delineated, and 249.24 million tons of bauxite (333) + (334) resources have been discovered, most of which are buried at a depth of less than 500 meters. A total of ( The resources of associated minerals have been estimated, and all of them have reached the scale of large deposits. According to the exploration results, it is predicted that the potential bauxite resources below 700 meters are still 160 million tons. The project results provide resource security for the development of the aluminum industry in Henan Province and provide solid resource support for regional economic and social development.

Extra large lead-zinc mine identified in Guojiagou Mining Area, Hui County, Gansu Province

Another super-large lead-zinc deposit discovered and explored in the Xicheng lead-zinc ore field by a team led by Yuan Deyi from the Tianshui Mineral Exploration Institute of the Gansu Provincial Nonferrous Metal Geological Exploration Bureau is a deeply buried hidden deposit. The surface of the deposit is entirely covered by Cenozoic strata, with almost no exposed bedrock. The deposit is buried deep between 300 and 1,100 meters, and the controlled length of the deposit is about 4,400 meters. A total of 70 ore bodies were discovered, including 19 main ore bodies. The cumulative amount of lead and zinc ores identified (preserved) was 65.0232 million tons, the amount of lead metal was 637659.51 tons, and the amount of zinc metal was 2151191.85 tons. The cumulative amount of associated silver metal identified (retained) is 1,162,190.96 kilograms; the amount of associated cadmium metal is 11,767.37 tons. The discovery of this deposit provides guidance for searching for hidden deposits. The deposit was built and put into production by Gansu Jinhui Mining Co., Ltd. in 2016 and has achieved significant economic benefits. It has played an important role in the prosperity of the local economy and has great economic significance.

Proven super-large silver-lead-zinc mine in Shuangjianzishan, Inner Mongolia Autonomous Region

A team led by Yang Jiangong, the chief expert of the Nonferrous Metal Mineral Geological Survey Center, discovered a super-large silver-lead-zinc mine in Shuangjianzi Mountain, Balinzuo Banner, Inner Mongolia Autonomous Region. As reviewed by the Inner Mongolia Autonomous Region Mineral Resources Reserve Review Center, there are (121b+122b+333) main and symbiotic mineral resource reserves within the scope of the mining rights: the ore volume is 158.9787 million tons, of which the silver ore volume is 109.3609 million tons, the silver metal volume is 15129.29 tons, and the silver grade is 138.34g/ t; The amount of lead ore is 37.6829 million tons, the amount of lead metal is 389,119 tons, and the lead grade is 1.03%; the amount of zinc ore is 103.0376 million tons, the amount of zinc metal is 1,500,462 tons, and the zinc grade is 1.46%. A total of 280 industrial ore bodies are delineated within the scope of the mining license, of which 39 are large ore bodies, classified as super large. It is of great significance to nonferrous metal prospecting in the central and southern sections of the Daxinganling Mountains and is a major breakthrough in silver mine exploration in China. The mining area retains huge resource reserves and potential economic value, which can stably arrange local surplus labor and stimulate the economic development of other related local industries, and will play a pillar role in the local economy and taxation.

Super-large tantalum-niobium rare polymetallic deposit discovered in Songshugang Mining Area, Hengfeng County, Jiangxi Province

A team headed by Cheng Qunxi of the Jiangxi Nonferrous Geology and Mineral Exploration and Development Institute as the chief expert discovered a super-large tantalum-niobium rare polymetallic deposit in the Songshugang mining area of Hengfeng County, Jiangxi Province. The industrial type of the deposit is an albite and lepidolite granite-type tantalum-niobium deposit. The ore body is huge in scale. The ore body is 1676 meters long from east to west and 740 meters wide from north to south. The occurrence elevation is 402.74 to -330.76 meters. The maximum thickness controlled by a single project is 493.47 meters. rice. The geostatistical method was used to estimate the mineral deposit resource reserves. The amount of discovered (111b+122b+333) ore was 298,604 tons, the amount of tantalum metal oxide was 42,444 tons, the amount of niobium metal oxide was 63,591 tons, and the amount of associated rubidium (333) metal oxide was 601,834 tons. The amount of associated lithium (333) metal oxide is 603,813 tons, with a potential economic value of over 100 billion yuan. The discovery of this deposit is a major breakthrough in the prospecting of hidden rare metal deposits in China. The study established the mineralization series and mineralization model of magmatic rare polymetallic deposits in this area, enriched and developed the rare polymetallic mineralization theory, and provided a good understanding of the rare polymetallic mineralization theory. Polymetallic prospecting and exploration have great guiding significance.

Super large graphite deposit discovered in Xigou, Shuangyashan City, Heilongjiang Province

A team led by Cheng Fei, the chief expert of the 701st Team of the Heilongjiang Provincial Nonferrous Metal Geological Exploration Bureau, discovered a super-large graphite deposit in Xigou, Shuangyashan City, Heilongjiang Province. The origin type of the deposit is a sedimentary metamorphic graphite deposit. The ore bodies are layered, layer-like and lens-shaped and are produced in the metamorphic rocks of the Dapandao Formation of the Xingdong Group in the Mesoproterozoic-Neoproterozoic. The ore type is mainly graphitic gneiss type, which belongs to large flake crystalline graphite. The project technical staff conducted a focused study on the mineralization and geoelectric conditions of the area, carefully summarized the mineralization rules, and rationally arranged the exploration projects. A major breakthrough was made in geological prospecting. A total of 62 crystalline graphite ore bodies were discovered in the area and submitted to industrial ore bodies. (333) + (334) The graphite ore volume is 335.5119 million tons, the mineral volume is 23.3761 million tons, and the average grade is 6.97%. Among them (333) accounts for 95.22% of the total resources, and the total stripping ratio is 1.69:1. The resources of Xigou graphite mine are concentrated, shallow buried, low stripping ratio, high recovery rate, easy to mine and develop and utilize. It is an easy-to-mine and easy-to-select graphite mine with huge potential value. It is initially estimated that the potential value is more than 100 billion yuan.

The world's largest wollastonite mine was discovered in Shizhushan, Xinyu City, Jiangxi Province - Zhangmuqiao, Shanggao County

A team led by Wang Xianguang, the chief expert of the Jiangxi Provincial Geological Exploration Fund Management Center, discovered the world's largest wollastonite mine in the Shizhushan-Shanggao County Zhangmuqiao mining area in Yushui District, Xinyu City, Jiangxi Province, and submitted 333+334 types of silicon The amount of limestone minerals is 69.55 million tons, including 34.78 million tons of 333 types. The discovery of wollastonite mines in Shizhushan, Yushui District, Xinyu City and Zhangmuqiao, Shanggao County has set a new record for the size of wollastonite resources in the world, changed the distribution pattern of wollastonite mines in China, and established the hidden silica fume in Mengshan area. The mineralization model of "rock mass + carbonate rock + structural fissure + caprock (carbonaceous mudstone shielding)" has been successfully used in Shishan, Yushui District, Xinyu City and Yuankeng Wollastonite Mine in Shanggao County, and has been expanded The prospecting space, prospecting ideas and prospecting direction of wollastonite ore are explained. The mine is not only large in scale, but also has high grade and good quality of ore, which is easy to mine and select. It provides resource guarantee for the development of wollastonite industrial cluster in Mengshan area and the consolidation of Xinyu’s “mining city”.

Super large aluminum (clay) earth deposit discovered deep in Yanlong Coalfield, Henan Province

The Fourth Geological Exploration Institute of Henan Provincial Bureau of Geology and Mineral Resources discovered a super-large bauxite deposit deep in the Yanlong Coalfield. The mining area is located on the southeast side of Luoyang Basin and on the north wing of Songshan anticline. The metallogenic zone belongs to the Yan (Shi) Gong (County) Xing (Yang) IV bauxite subdivision of the Songshan-Jishan bauxite mineralization area. The ore body occurs in the Benxi Formation of the Carboniferous System, and is dominated by bauxite, with symbiotic refractory clay, alumina, pyrite, siderite, and associated gallium elements. It is also a super-large sedimentary deposit that can be comprehensively utilized. A total of 107,533 meters of drilling and 89,377 meters of well logging have been completed in the entire region. 16 bauxite bodies have been delineated, and 249.24 million tons of bauxite (333) + (334) resources have been discovered, most of which are buried at a depth of less than 500 meters. A total of ( The resources of associated minerals have been estimated, and all of them have reached the scale of large deposits. According to the exploration results, it is predicted that the potential bauxite resources below 700 meters are still 160 million tons. The project results provide resource security for the development of the aluminum industry in Henan Province and provide solid resource support for regional economic and social development.