The geological feature of lamprophyre in Luoshan Gold Deposit and its significance to oreprospecting;

Analysis of the roof-fall and collapse accident in non-coal mine;

Research and development of statistical management system for casualty accident in non-coal mines;

Discussion on reasons of personal casualty in non-coal mine and the countermeasures;

Stabilities in underground mined-out areas of non-coal mines in China;

The number of non-coal mines in China amounts to more than 110,000,employees more than 1,000,000,the people suffer from occupational diseases around 800,000,and the number is increasing more than 30,000 each year.

Geochemistry of the barkinite liptobiolith(Late Permian) from the Jinshan Mine,Anhui Province;