本文關(guān)鍵詞： 華南成礦省東段 金礦 找礦指示元素 地球化學(xué)找礦模型　出處：《中國地質(zhì)大學(xué)(北京)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：華南成礦省東段是我國重要的金礦產(chǎn)地,區(qū)域內(nèi)分布有許多大型、超大型金多金屬礦床。本文選取了浙江遂昌治嶺頭金銀礦床、福建上杭紫金山金銅礦床、廣東高要長坑金銀礦床和廣東高要河臺金礦床四個典型礦床作為研究對象,從礦床地質(zhì)、1:20萬水系沉積物、巖石地球化學(xué)三個方面研究華南成礦省東段典型金礦床地球化學(xué)找礦模型,在此基礎(chǔ)上建立華南成礦省東段金礦床的地球化學(xué)找礦模型。浙江遂昌治嶺頭金銀礦床為變質(zhì)碎屑巖中熱液型,礦體呈出露狀態(tài),受斷裂構(gòu)造控制,礦體形態(tài)為脈狀、透鏡狀等,該礦床區(qū)域化探指示元素為Au、Bi、Pb、Zn、Ag、Hg、Ba、Zr、Th、U;巖石化探指示元素為Au、W、Mo、Cu、Pb、Zn、Ag、As。福建上杭紫金山金銅礦床為火山巖型,礦體呈出露狀態(tài),受斷裂構(gòu)造控制,礦體形態(tài)呈透鏡狀、脈狀等,該礦床區(qū)域化探指示元素為Au、Ag、W、Sn、Mo、Bi、Cu、Pb、Sr、U;巖石化探指示元素為Au、Sn、Mo、Bi、Cu、Pb、Ag、As、F、Nb、U。廣東高要長坑金銀礦床為微細浸染型,礦體呈出露狀態(tài),受斷裂構(gòu)造控制,礦體形態(tài)呈似層狀、透鏡狀等,該礦床區(qū)域化探指示元素為Au、Pb、Cd、Ag、As、Sb;巖石化探指示元素為Au、Mo、Cu、Pb、Zn、Cd、Ag、As、Sb、Hg、Ba、U。廣東高要河臺金礦床為巖漿熱液型,礦體呈出露狀態(tài),受斷裂構(gòu)造控制,礦體形態(tài)呈層狀、透鏡狀、扁豆狀等,該礦床區(qū)域化探指示元素為Au、Sn、Bi、Hg、Be、B、Zr、U、Y;巖石化探指示元素為Au、W、Sn、Bi、Cu、Ag、As、Hg、Co、U。華南成礦省東段金礦床區(qū)域化探找礦指示元素組合為Au、Ag、Pb、Bi、U、Th,其中主成礦元素Au的異常等級大于5;伴生元素Pb、Ag的異常等級大于3;伴生元素Bi、Th、U的異常等級大于1。巖石化探找礦指示元素組合為Au、W、Sn、Mo、Bi、Cu、Pb、Zn、Cd、Ag、As、Hg、F、U共14項。其中主成礦元素Au的異常等級大于5,伴生元素Cu、Ag、Zn的異常都等級大于4;伴生元素Pb、Cd異常等級都大于3;伴生元素W、Mo、Bi和Hg異常等級都大于2;伴生元素Sn、As異常等級都大于在1;伴生元素F、U異常等級小于1。華南成礦省東段金礦床在區(qū)域化探和巖石化探中均存在異常的元素為Au、Ag、Bi、Pb、U。
[Abstract]:The eastern segment of South China metallogenic province is an important gold ore producing area in China. There are many large and super large gold polymetallic deposits in the area. In this paper, the gold and silver deposits in Zhiling Tou, Suichang, Zhejiang, and Zijinshan gold and copper deposits in Shanghang, Fujian, are selected. Four typical gold deposits in Gaoyao Changkeng Gold and Silver Deposit and Gaoliahetai Gold Deposit in Guangdong Province were studied. Geochemical Prospecting Model of typical Gold deposits in the Eastern part of South China metallogenic Province, On this basis, a geochemical prospecting model of gold deposits in the eastern segment of South China metallogenic province was established. The gold and silver deposit in Zhiling Tou, Suichang, Zhejiang Province, is of the hydrothermal type of metamorphic clastic rocks, the orebody is exposed, controlled by fault structure, and the orebody is vein-like. The regional geochemical prospecting indicator element of the deposit is Au-Bi-Bi-PbPbPbZn-Ag-HgPbAg-Hg-Hg-Zr-ThU, and the indicator element of petrogeochemical exploration is Autni-Wa-Mo-Cu-PbZn-Zn-Ag As.The Zijinshan gold deposit in Shanghang, Fujian Province, is of volcanic type, the orebody is exposed, controlled by fault structure, and the orebody is lenticular and vein-like, and so on, and the orebody is lenticular in shape and vein shape, and so on. The regional geochemical prospecting indicator elements of the deposit are Au-Ag-Ag-W-Sn-Mo-Li Bi-CuCuPb-Pb-Sr-U, and the petro-geochemical indicator element is Au-Sn-Mo-Mo-Bi-Cu-Pb-Pb-Pb-Nb-U. The gold and silver deposit in Gaoxiaozhengkeng, Guangdong Province, is of micro-disseminated type, the orebody is exposed, controlled by fracture structure, and the orebody is layered, lenticular, and so on, and the orebody is characterized by the structure of fracture, the structure of the orebody, the structure of the orebody, and so on. The regional geochemical prospecting indicator element of the deposit is Au-PbPbCCDAgAg-As-Sb, and the indicator element of petrogeochemical exploration is Au-Mo-Cu-Pb-PbCB-PbPbPbPbPbCZNZZNZNZHU SbSBU. The gold deposit in Gaodaihetai, Guangdong Province, is of magmatic hydrothermal type, the orebody is exposed, controlled by fault structure, the orebody is layered, lenticular, lentiform, and so on, the orebody is lenticular, and so on, and the ore deposit is of magmatic hydrothermal type. The regional geochemical prospecting indicator elements of the deposit are Au-SnSn-Bi-HgPg-BebbZr-UYand, and the petro-geochemical indicator elements are Au-W-Sn-Sn-Pb-AZON-AZON-AZO HGU CoU. The regional geochemical prospecting indicator element assemblage of gold deposits in the eastern segment of South China metallogenic province is AuAgPbBiBUUTh.The anomaly grade of the main ore-forming element au is greater than 5; the heterogeneity of associated element PbnAg is higher than that of the associated element Pbfg. The normal grade is greater than 3, and the anomaly grade of associated element Bio Thu is greater than 1. The indicator element assemblage of petrogeochemical prospecting is Auxinwo Sno. Moe. There are 14 items in total. The anomaly grade of main metallogenic element au is more than 5, and the anomaly grade of associated element is more than 4, and that of associated element is more than 4, and that of associated element is more than 4. The main metallogenic element au is more than 5, and the associated element is more than 4, and the associated element is more than 4, and the associated element is more than 4, and the main metallogenic element is more than 5. The anomalous grades of elemental Pb, CD, W, Mo, Bi and Hg are all greater than 2, the grades of associated elements are all greater than 1, and the grade of associated element FGU are less than 1. The regional geochemical exploration and lithology of gold deposits in the eastern section of South China metallogenic province. The elements with anomalies in the exploration are Au-Ag-Ag-Bi-PbCU.
【學(xué)位授予單位】：中國地質(zhì)大學(xué)(北京)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：P618.51

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