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摘要:
在对国内外硒矿资源成矿地质条件、控矿因素等系统总结的基础上, 对黑龙江省可能的伴生硒矿资源进行了筛选, 采用GIS技术, 对伴生硒矿进行了初步评价, 并对伴生硒矿、独立硒矿成矿潜力进行了综合分析, 为黑龙江省硒异常源追踪提供科学依据. 研究认为, 黑龙江省硒矿资源找矿潜力较大, 应进一步加强硒矿资源研究开发工作.
Abstract:Based on the systematic summary of metallogenic geological conditions and ore-controlling factors of selenium resources at home and abroad, the paper screens the potential associated Se resources in Heilongjiang Province, makes a preliminary evaluation of associated Se through GIS, and comprehensively analyzes the metallogenic potential of associated and independent Se deposits, to provide scientific basis for Se anomaly source tracing in the province. It is considered that Se resources in the study area have great prospecting potential, requiring further research and development.
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表 1 黑龙江省伴生硒矿资源潜力评价分类表
Table 1. Classification by potential evaluation of associated Se resources in Heilongjiang Province
类别 矿产总数 占全省比例 铜矿 金矿 多金属矿 煤及非金属 硒矿化异常比例 评分 Ⅰ 57 6.45% 5 3 16 33 11.23% ≥55 Ⅱ 103 11.65% 6 11 18 68 1.4% 44~55 Ⅲ 125 14.14% 7 54 59 5 0 30~44 合计 285 32.24% 18 68 93 106 12.63% 注:黑龙江省矿产资源评价中总数为884处. 表 2 黑龙江省预测伴生硒矿潜力区及硒资源量预测结果
Table 2. Predicted associated Se potential areas and resources prediction in Heilongjiang Province
矿床编号 类别 构造单元 预测面积/km2 可信度 可信面积/km2 预测矿石总量/t 预测资源量/t 104 Ⅰ 多宝山岛弧(嫩江-黑河) 144.87 0.7 101.409 245 Ⅰ 呼玛弧后盆地 2 342.16 0.7 1 639.512 176 Ⅰ 伊春陆表海 6 849.73 1 6 849.73 72 639.75 145.3 251 Ⅰ 伊春陆表海 14 234.46 1 14 234.46 2 598.68 5.2 276 Ⅰ 铁力陆缘海 5 552.42 0.7 3 886.69 389 Ⅰ 铁力陆缘海 8 770.79 1 8 770.79 477 875.2 955.8 393 Ⅰ 张广才岭火山弧 7 861.30 1 7 861.3 121 Ⅱ 多宝山岛弧(嫩江-黑河) 14 440.13 0.5 7 220.065 119 Ⅱ 多宝山岛弧(嫩江-黑河) 7 722.11 0.5 3 861.055 192 Ⅱ 太平沟俯冲带 4 179.34 0.5 2 089.67 311 Ⅱ 兴东变质基底 10 531.76 0.5 5 265.88 289 Ⅱ 完达山结合带(饶河) 14 886.61 0.5 7 443.305 500 Ⅱ 绥阳岩浆弧(宝清) 17 521.46 0.5 8 760.73 合计 115 037.1 74 097.91 553 113.63 1 106.2 注: 已发现硒的Ⅰ类矿床, 按铜镍矿床的硫化矿石中伴生硒矿品位0.002%计算预测资源量. 表中数据分别引自黑龙江省矿产资源潜力评价报告表 7-2-35、7-4-63、7-4-64. 表 3 黑龙江省黑色岩系分布表
Table 3. Distribution of black rock series in Heilongjiang Province
类别 填图单位 位置 备注 硅质岩 大佳河组(T2-J1d)、大岭桥组(T3J1dl)、大民山组(D2-3d)、哲斯组(P1z) 完达山东部饶河-蛤蟆顶子,呼玛县五道沟和嫩江、德都 碳质页岩 铅山组(Ꞓ1q)、五星镇组(Ꞓ1w)、宏川组(D2hg) 伊春、铁力地区 发现有伴生硒矿床 碳质板岩 小北湖组(D2)、正沟岩组(Pt3z)、三义沟组(Ꞓ1s)、新兴岩组(Ꞓ-O)、根里河组(D2-3g)、焦布勒石河组(Ꞓ1j) 牡丹江宁安海林地区、张广才岭地区、呼玛、黑河、兴隆地区 张广才岭一带发现伴生硒矿床 煤 珍子山组(C3P1z)、七林河组(J2q)、漠河组(J2m)、滴道组(J3dd)、穆棱组(K1m)、城子河组(K1c)、猴石沟组(K1h)、九峰山组(K1j)、西岗子组(K1x)等共13个组 松嫩平原、三江平原及煤系盆地 煤及油页岩 嫩江组(K2nn)、虎林组(Eh) 松嫩平原山前地带、鸡虎盆地、依兰县等地 注: 此表依据1997年版黑龙江省岩石地层[19]统计. -
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