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- gently dipping thin orebody 缓倾斜薄矿体
- For the gently dipping medium-to-thick orebody in Dazhuangzi Gold Mine, the room-and-pillar two step mining with backfilling method was tested and proved a success. 大庄子金矿的矿体属于缓倾斜中厚矿体,试验采用矿房矿柱两步回采嗣后充填采空区的方法开采,并取得了成功。
- Portugal Panasqueira wolframite deposit consists of very thin,gently dipping veins which are very hard to mine efficiently. 葡萄牙帕纳什凯拉黑钨矿为微倾斜极薄矿脉,开采难度大。
- Blanket or trend deposits are flatlying or gently dipping. “毯”型或走向矿床的矿体呈水平产出,或倾角平缓。
- STUDY ON THE THEORY OF MINING OF GENTLE DIP THIN ORE-BODY HEXI GOLD MINE OF ZHAOYUAN, SHANDONG PROVINCE 缓倾斜薄矿体采矿方法的研究
- NEW DEVELOPMENT OF RESUING-AND-FILLING METHOD IN GENTLE DIP THIN ORE VEIN MINING 缓倾斜薄矿脉削壁充填法的新发展
- Keywords Gentle dip thin Vein;Resuing-and-filling;Pin-point blasting;Filling to the roof;Miniature LHD; 缓倾斜薄矿脉;削壁充填法;抛掷爆破;接顶充填;微型铲运机;
- Keywords gentle dip thin ore-body;perpendicular sub-streak;horizontal sub-level;upward incise;barricade; 缓倾斜薄矿体;垂直分条;水平分层;切割上山;隔离墙;
- gently inclined and thin orebody 缓薄矿体
- Erosion of gently dipping strata commonly results in the formation of asymmetrical ridges known as cuestas. 轻微倾斜地层的侵蚀通常造成非对称的山脊,称为单面山。
- For the gentle dip orebody of fracture zone type, a couple of filling method are suitable to be employed. 本文根据鱼儿山金矿缓倾斜破碎带型矿体开采试验中情况;
- There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody. 对于矿石价值中等、品位中等的缓倾斜中厚矿体;目前无理想的采矿方法.
- The paper summaries an expeciment in mining the gentlely dipping and ultrathin orebody (<1.2m of thickness)in Dounan Manganese Mine with the pillat and stall method. 本文介绍了房柱法在斗南锰矿缓倾斜极薄矿体(厚度小于1.;2m)中的试验情况。
- The gold rich ore bodies occurrs in the winding part of NNE trending fractures on strike and transforming part from steeply dipping to gently dipping on dip direction. 富金矿体在走向上一般分布于NNE向断裂的转折地段 ,倾向上分布于断裂产状由陡变缓的过渡部位。
- When extracting steeply-inclined thin orebody near outcrop, there normally exists triangle stopes.Many technological problems occur when extracting such stopes with common method of shrinkage stoping. 摘要急倾斜薄矿体露头附近开采时,常形成三角形不规则采场,采用普通浅孔留矿法回采存在一系列技术问题。
- These vein-bound structures of their strike and dip appear in smooth-out waveforms, and the gold-quartz veins are mainly distributed in the turning points and gently dipping places. 控脉构造在走向、倾向上均呈舒缓波状,含金石英脉主要分布在弯转及缓倾斜部位。
- Slope apron sandbodies spreading parallel to sedimentary slope,are asymetric mound shape along the section in the direction of dip, being steep towards lake shoreline while gently dipping basinward. 斜坡裙砂体平行于沉积斜坡展布,倾向剖面为不对称的丘形,向岸一侧陡倾,而向盆地一侧缓倾。
- There are obvious differences in the characteristics of deformation and damage between the roadways in the deep dip angle working face roadways and in the horizontal or gently dipping seams roadways. 大倾角综放工作面平巷变形破坏特征与一般的水平或缓倾斜煤层工作面平巷存在着明显不同。
- The Hadexun uplift,discovered recently,is a large,wide,gently dipped nose shaped one plunging northeastward,which located at the western Manjiaer Depression in Tarim Basin. 哈得逊隆起是新近在塔里木盆地满加尔凹陷西部发现的一个向西南抬升、向北东方向倾伏的大型宽缓鼻状隆起,隆起构造主要发育在石炭系以上层位,以石炭系较为典型。
- It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危险的。