---
title: "China Discovers World's Second-Largest Light Rare Earth Mineral Deposit"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/280237465.md"
description: "China has discovered the world's second-largest light rare earth mineral deposit in the Maoniuping mining area of Mianning County, Sichuan Province, with newly added resource reserves of 9.6656 million tons of rare earth oxides, an increase of over 300%. This deposit ranks second globally in terms of reserves among all currently operating rare earth mines. Rare earth oxides are widely used in magnetic materials, luminescent materials, and other fields, making them indispensable elements for modern industry and high-end manufacturing"
datetime: "2026-03-24T01:32:18.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/280237465.md)
  - [en](https://longbridge.com/en/news/280237465.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/280237465.md)
---

# China Discovers World's Second-Largest Light Rare Earth Mineral Deposit

According to information from the Ministry of Natural Resources, China's new round of strategic actions for breakthroughs in mineral exploration has yielded new results. In the Maoniuping mining area of Mianning County, Sichuan Province, China has discovered the world's second-largest light rare earth mineral deposit. It is reported that during the verification and exploration project for rare earth mineral reserves in the Maoniuping mining area of Mianning County, Sichuan, new resource reserves of 9.6656 million tons of rare earth oxides were discovered. This represents an increase of over 300% and makes it the second-largest in reserves among all currently operating rare earth mines globally. Rare earth oxides are widely used in fields such as magnetic materials and luminescent materials, and are indispensable elements for modern industry and high-end manufacturing. (CCTV News)

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