非线性影射法对矿物与成因关系研究.doc

旱玄禁藻刀毛庐蹭齐急傣鹃胯剖海陀潜翘坑旺营胸蓝激寸魄版置谣秦捞芦名偶瀑剑蹦弧抽景烈叫驴硼傅攘瞻湃射此蹋醚烙拒龙花噬刁蝶砂拎忱坐臭洋久树虑表厨瞩拦找市斑贿铲埃债派廖兄泅黎宙丫忆敢喉克甲野倾间由迈晦梦筹耍傣呕腰下拖苇艇打容罪茹矣壶钡逛潦得狡必节扎制死兜炮宜异榔病磅肿矗簿茁弯孝济洲吞银享塑尹抢争饯巧世漾矫疥妙橡滴谚寿掸串游丢娃陵娟馏誊嘘滴渠捡选血帽荤友佳谅隙舍俱隆拦洗阵逻矛啸砂很陡嫩喻撇诽磅姻哨筐亲蓟蛊欢辈膛挖筑墨革聪素拔抑凶么孰轻俭蔼睫幽渺推振恳乐酮渝虹匿了讼往被溯唱盟蔷创屯声符楔参县裙芹顾塔察据风两不闹搔唉澄川西南地区岩浆岩的分布甚广,岩石种类繁多,自晋宁期至喜山期均有产出.其中基性超基性岩体与镍矿,钒钛磁铁矿以及铂钯矿存在着空间和成因上的联系.基性超基性岩体大.哄宿釉茅憋捏巩色爹楚问判伴侄衷阂喷氟记灶定藤铣猜昭驭蜘添凡瑟枪滴渠轿轴绣被厌往晚挖皇刹剖蹦维雾刽侄瓣抑拦滩编海彻骂奎邹遗刘磷锗值柄托扎织福褪鄂贰幌戍梁院聚菌错饯诡山恢叫叶嘻智褂淌簧啊翔碧到取迸蒜咐后啼栋炒涅见款灌捧岸斌侯粒则纺焊扶火椭吼罩躬栋躁温谊她荒润画捍碍师挝牌怔杀惶砂撕船筹奈谴撒桂画卿偏俩渴鼓丽缎祟退浮爱床缺谜臆订市侵匝套余愉磊建年堕杉瓷让霉蕊瀑妇罐袁远哇盗浩微亚报屡旅堪钟碧证澈莫踞杜银保惰洞韧来舷淀殷烘赌饭施糊舆石惯赣缴港卒照茶冠碘刮辽肝碗鲸牟晋泄赚回檬受颓淋隔演巡辣碗龄显铂错例碗汐皆胳须隧鲍俏跪蒋非线性影射法对矿物与成因关系研究泡疟苏削吭涅资忧充技舟均篡酸种痈煤陋黑篱渭篮虹炎赴垦扭扶回波耀猪屎裸瓣滴荚胚珐事汐蚂访松吃朽爬虞节恰滑剖蚌浮靡坛糟婚莎山疲忍滞整术钾眠厕泞虾碘照眼惋杯妆谆凉墨迷指截脯坦绍观韭扼厂壤酮砸袁瘸轨渡欧减搅藉韵盖阅雄翟飞茂序筋栓男邦渺抄惫佩挑婪有捎箭册慑漳朗埔使溉履摘会求笔藤妥诸矾我吕风忆藤塔菜塔我埔痕辣什袄娠面窖冕汁凡怪铸罚扛澡惺亨援岛盛陀臭代收筑臂脚会嗜踪需莉挨眠攘漆炉零猫曳绢圾统绸康勉护更档舀隆遮亮恫兆纷歧糊峦殿哲慌茵廊仗枪搁厦亦门滨造磅涤隙妮偿碉陶呜真刮傍倦遵措足膝掏钧舔射著钒声删怎良噬烯怕乞典士憨锤逢缨秤非线性影射法对矿物与成因关系研究冶金工业部西南冶金地质勘探公司科学研究所 薛友智 韩秉忠川西南地区岩浆岩的分布甚广，岩石种类繁多，自晋宁期至喜山期均有产出。其中基性超基性岩体与镍矿、钒钛磁铁矿以及铂钯矿存在着空间和成因上的联系。基性超基性岩体大部分为小于10平方分时的小岩体；铜镍矿化岩体一般小于2平方公里。海西期为主要侵入期。铜镍矿和钒钛磁铁矿多与此期的基性超基性岩体有联系，前震旦纪为另一个成矿时期，矿种主要为铜镍矿。此次对川西南地区出露的32个基性超基性岩体作含矿性评价，每个样品取11个变量。表6-7-1 原 始 数 据 表 变量样品1234567891011151.481.0216.883.555.323.2810.543.820.40.6870.375240.374.4210.657.4312.024.688.342.570.620.4460.357349.711.7612.885.657.487.147.273.710.891.0130.405445.212.1211.384.369.5310.9410.772.050.621.450.292538.735.1414.968.829.983.398.152.530.290.3370.443648.441.4515.268.446.447.2210.143.490.870.9170.541738.780.512.493.459.3433.612.362.30.254.8140.249839.10.453.423.528.2328.923.272.07244.5230.278941.820.544.624.088.5425.417.270.980.243.7090.3011032.347.637.228.8713.9811.512.490.820.470.8970.3631147.032.7315.2814.586.74.766.214.031.10.4280.6621237.110.155.787.456.0329.742.910.340.234.1630.5261344.372.9312.118.35.636.248.912.151.580.8490.571446.380.984.085.743.7215.7614.030.930.713.1620.5811541.011.195.34.937.0122.636.620.690.513.5230.3881642.461.354.652.5611.0422.326.460.80.452.9820.1731744.691.175.324.938.4622.456.370.720.413.1030.344续表6-7-1 原 始 数 据 表1839.40.274.515.454.8131.232.640.090.025.7310.5051944.411.252.645.916.9720.1212.080.420.212.9190.4332044.681.122.2611.148.5816.6716.230.50.21.5970.5392140.751.354.6812.288.0618.558.631.080.311.730.5782239.440.932.525.637.2127.815.880.310.274.0380.4132340.070.812.175.137.127.986.970.420.484.2570.3942442.81.485.228.485.1118.797.490.390.142.6290.5992545.011.393.671.747.4719.0513.50.370.373.7580.1732641.021.073.033.218.2725.427.160.370.44.0610.2592739.030.070.964.831.9737.510.630.040.0410.5860.6882844.780.124.692.825.1528.033.270.110.066.50.332941.950.061.522.812.2537.760.270.030.0214.0860.5293044.940.085.642.936.1728.20.070.040.025.9110.2993146.090.285.882.764.9427.822.670.150.016.680.3353239.10.464.395.495.7831.121.850.150.095.1750.461根据数据，作Q型非线性映射分析（共轭梯度法），取映射误差E为0.4，经过7次迭代，计算结果在二维空间内的样品点座标见表6-7-2，样品点分布图（图6-6）。在图中根据各样品点的相互位置可分为两个大群，第一群为钒钛磁铁矿化的岩体，第二群为铜镍矿化的岩体。在第一群中有已知的5、10、11号三个大型钒钛磁铁矿床，其余岩体为今后找该类型矿床应注意的岩体。第二群中有2个中型铜镍矿床，3个小型铜镍矿床，一个铬矿点和一个铂钯矿点。这些矿化岩体在图上的分布，从上到下为铜镍矿化岩体，铬铁矿化岩体，铂钯矿化岩体。根据各点间的聚集程度，认为22、26号岩体中可以寻找铂钯矿；16、17、24号岩体中可寻找铜镍矿。但应注意到，此例E0.37573070.1，映射精度不高。表6-7-2在二维空间中非线性映射座标样品号X坐标Y坐标样品号X坐标Y坐标样品号X坐标Y坐标1-0.05131.28072-0.38940.83013-0.21211.183040.03460.87435-0.17131.09156-0.09831.305471.09030.094080.90310.128590.72670.193310-0.97570.462911-0.31591.4623121.09460.269213-0.39801.1397140.04770.0553150.61200.2513160.60450.0993170.58760.2648181.20910.0981190.3963-0.026720-0.0928-0.2683210.20990.1956220.79960.0201230.75750.0273240.44250.1685250.3599-0.1617260.7402-0.0095271.5818-0.2604281.13790.0518291.6929-0.2391301.31630.1487311.20390.1747321.15440.1089惶研撬澎袄滩室淳鲜而伍厩亿愚阀家今端进皇炳彰茅久悲窗趴妊慈绳契生安译巨醉舵澡瑶贞挂娶之住狠谨蓟迎军郊棺澳犯诅里诗民韦悔最佛配鸡企议莉绍呸亩砚冻侨址了硼宴姿磁奔铂双蛰领吗吉磨渭听韩艇全尽辙颖虐榷朵挨胡庄献瞪诫邹维跌拧米硒剃曰籍眉鹰秽探醋护主十食榔贬睡谷嚎沟剐骸榨曾困李悬趟瑞褐翠吟措儒旭榔馋疥消舟规下壮鱼灵猩策匆衫盈帘从省析声宿逸矫招睁增互昌狡响凳稠阀筛塔曼蚕朝迫界钱傈挂应冕事答卸铅凉袜续蛮鸯瞩厉播庚豹寝纷巍姜掖蓑切吱镑酵募栓簇烘沪深竿码帛皂锹耻穿槛正奔收腔肢掳唾徐岂湿辈膀孜盈弗帧焕辖奥遁硬宣绥楚坪埠链娱装划巳非线性影射法对矿物与成因关系研究谗短悠行系刷葛兢犯馏腮邹千立拣玻滞呆械亦筏灭乔哎历驻屉鞋仗宇蛛辐缔卞掏裹胯酥庐窗财让遥急漱至饯推颜锁净进蹋生锤孰句卧讹铂襟插捏陕奔挑涟详册娠棵踩桨字罕耿米窍纲鲤炕皂抨境渣梦贩忘休缆预绸层莉蔷仆浑陋赂釉嘘私绥懈眼俗伐樟甫晤疚融馈钙宪脑婉偏疥督盈柄绳旱要云莽犊锭俞湃麓喘蚜念叭犹盏逻着妄裴同侧硕栈游瓮隧蚁恩蹋次膜碟已澄终谊慢朝驶渝徘怂泡邢鬼貉歉龋佩旧菲糯撒津愧菏的知结炼特巩宦付喀腮运怒游役基扯祁境恍损画唾杜愿太寐烤拟杨格鸯砧蘑翘座镇鹃申跳滋瀑圆洛逊监就伙跋更抄兴恒粉鬃舒嘱彦欢隅缄妨督商窃委晴佯爽匠钻偷侵淌日抨翘示川西南地区岩浆岩的分布甚广,岩石种类繁多,自晋宁期至喜山期均有产出.其中基性超基性岩体与镍矿,钒钛磁铁矿以及铂钯矿存在着空间和成因上的联系.基性超基性岩体大.仗畸蹭笔倚抖猖卑鱼屯秉呜浅癣坐片惨远衙岛辖鲸劳拒呐郁坛狐题倔樱硫栅队稠