黑龙江嘎拉山地区金找矿潜力分析

Analysis of Gold Prospecting Potential in GaLasan area,Heilongjiang Province

研究区位于西伯利亚板块南缘,兴蒙造山带东段NE向大兴安岭中段华力西—燕山期铁、钨、银、金、钼、铜成矿带24号桥成矿亚带上,可划分为嘎拉山林场—北疆乡金银锌多金属成矿亚带、小兴安岭主脊—椿叶山金银铜多金属矿成矿亚带、河界山—伊兆山金银多金属成矿亚带,通过地球化学普查,圈定23处组合异常区,5个成矿远景区,面积近44 km2,优选5个找矿靶区,显示出较好的找矿前景。目前已发现椿叶山、福草山、北宽河、真理山等金矿床(点),金矿化类型为构造蚀变岩型,北宽河岩组、硅化、黄铁矿化与金关系密切。构造蚀变岩型金矿床将是嘎拉山一带今后一段时期内主攻矿种。

The study area is located in the southern Siberia plate by orogenic belt,the middle east to the greater hinggan mountains on variscan,yanshanian iron,tungsten,molybdenum,silver,gold,copper metallogenic belt on the twenty-fourth bridge metallogenic belt,and can be divided GaLa mountain forest field-Xinjiang uygur autonomous township gold,silver,zinc polymetallic mineralization and belt,xiaoxinganling Lord ridge-tsubaki yeshan gold,silver,copper polymetallic mineralization and belt,Hejie mountain-Iraq zhaoshan gold,silver polymetallic mineralization and took three mineralization and belt,through the geochemical reconnaissance delineated,23 from combination abnormality area,five metallogenic prospective area,the area almost 44 square kilometers,the optimum five prospecting target area,shows better ore propects.At present already discovered gold tsubaki yeshan dot,blessing grassplot gold mineralization point,north wide river gold mineralization point,truth mountain gold mineralization spots deposits（point）,gold mineralization types of tectonic altered rock type,with north wide river rock formation,GuiHua and pyrite close relations with gold mineralization.Tectonic altered rock type gold deposits will be GaLa mountain area for a period of time main minerals.