我国找矿又获新突破！

Group 1 - The article highlights significant breakthroughs in mineral resource exploration in China, specifically in chromium ore and unconventional oil and gas [1][3] - A new discovery of the Salt Lake 27 ore cluster has been made in the Salt Lake South mining belt in Xinjiang, with 20 mineral bodies identified and an average grade of 30.73%, marking the largest mineral discovery in the region in nearly 40 years [3] - Chromium ore is identified as a critical strategic mineral in China, primarily used in the production of special alloys for aerospace, automotive, and shipbuilding industries [3] Group 2 - In addition to chromium ore, a breakthrough in unconventional oil and gas exploration has been achieved in the western Hubei region, focusing on the Permian shale formation, expanding shale gas exploration from the Sichuan Basin [5] - The newly identified geological resource of shale gas amounts to 1,329.5 billion cubic meters, strengthening the resource foundation for the shale gas base in western Hubei [5]