山西代县碾子沟-羊廷寺一带金红石矿赋存层位及成矿规律
산서대현년자구-양정사일대금홍석광부존층위급성광규률
The Occurrence Horizon and the Metallogenic Regularities of Rutile Ores in Nianzigou-Yangtingsi Area in Daixian County of Shanxi Province