黄金科学技术
黃金科學技術
황금과학기술
GOLD SCIENCE AND TECHNOLOGY
2013年
6期
48-52
,共5页
贺秋利%张红晨%宋鹏%张宗超%郭垚嘉%王立考%武鹏
賀鞦利%張紅晨%宋鵬%張宗超%郭垚嘉%王立攷%武鵬
하추리%장홍신%송붕%장종초%곽요가%왕립고%무붕
卡林型金矿床%地质特征%找矿标志%袍里%广西省
卡林型金礦床%地質特徵%找礦標誌%袍裏%廣西省
잡림형금광상%지질특정%조광표지%포리%광서성
Carlin-type gold deposit%geological characteristics%prospecting criteria%Paoli%Guangxi Province
袍里卡林型金矿床赋存于合山组灰岩顶部-逻楼组粉砂质泥岩底部断层蚀变破碎带中,具有明显的层控性。金矿体由3个(Ⅰ、Ⅱ和Ⅲ号)已知矿体构成,矿体呈透镜状和似层状,走向近SN,容矿岩石为含钙陆源碎屑岩。围岩蚀变发育,主要为硅化、黄铁矿化、毒砂化、褐铁矿化、粘土化以及碳酸盐化,由内向外呈现出分带性。通过对研究区内矿床的地质、地球化学及地球物理特征进行研究,尤其是通过进行地质、高精度磁测、中间梯度法以及对称四极电测深法等研究,显示Ⅱ和Ⅲ号矿体之间异常明显,推测此处存在新的矿体或者2个矿体相连,后期钻孔验证存在明显的金异常。袍里卡林型金矿床矿体具有明显的地质、地球物理及地球化学找矿标志。
袍裏卡林型金礦床賦存于閤山組灰巖頂部-邏樓組粉砂質泥巖底部斷層蝕變破碎帶中,具有明顯的層控性。金礦體由3箇(Ⅰ、Ⅱ和Ⅲ號)已知礦體構成,礦體呈透鏡狀和似層狀,走嚮近SN,容礦巖石為含鈣陸源碎屑巖。圍巖蝕變髮育,主要為硅化、黃鐵礦化、毒砂化、褐鐵礦化、粘土化以及碳痠鹽化,由內嚮外呈現齣分帶性。通過對研究區內礦床的地質、地毬化學及地毬物理特徵進行研究,尤其是通過進行地質、高精度磁測、中間梯度法以及對稱四極電測深法等研究,顯示Ⅱ和Ⅲ號礦體之間異常明顯,推測此處存在新的礦體或者2箇礦體相連,後期鑽孔驗證存在明顯的金異常。袍裏卡林型金礦床礦體具有明顯的地質、地毬物理及地毬化學找礦標誌。
포리잡림형금광상부존우합산조회암정부-라루조분사질니암저부단층식변파쇄대중,구유명현적층공성。금광체유3개(Ⅰ、Ⅱ화Ⅲ호)이지광체구성,광체정투경상화사층상,주향근SN,용광암석위함개륙원쇄설암。위암식변발육,주요위규화、황철광화、독사화、갈철광화、점토화이급탄산염화,유내향외정현출분대성。통과대연구구내광상적지질、지구화학급지구물리특정진행연구,우기시통과진행지질、고정도자측、중간제도법이급대칭사겁전측심법등연구,현시Ⅱ화Ⅲ호광체지간이상명현,추측차처존재신적광체혹자2개광체상련,후기찬공험증존재명현적금이상。포리잡림형금광상광체구유명현적지질、지구물리급지구화학조광표지。
Paoli gold deposit occurs in the fault altered fracture zone, the ore formation is limestone at the top of Heshan Group and silty mudstone at the bottom of Luolou Group,it is obvious layer controlling.The deposit is formed by three known orebodies, Ⅰ, ⅡandⅢ,the shape of orebody is bedded and lenticular,north-sorth trending.The gold bearing-rock is calcium terrigenous clastic rocks.The wall-rock alteration develop,the alteration is mainly quzatz,pyrite,arsenopyrite,limonite,clay and carbonate lithification,from inside to outside,which shows zonation. Through the study on ore deposit in the area of geological,geochemical and geophysical characteristics,in particular by high precision magnetic survey,central gradient array method and symmetric four-pole sounding method etc,the deposit has obvious geological,geophysical and geochemical prospecting criteria.Display Ⅱ and Ⅲabnormal obviously between the orebody,presumably,here the presence of a new orebodies or two ore body is linked together,the late drilling verification obvious gold anomalies.