- 责任者：Shen Wujun (Institute of Geophysical and Geochemical Exploration ; Chinese Academy of Geological Sciences ; Langfang 065000 ; China) ; Wang Xueqiu
- 刊名：Earth Science Frontiers
- 出版年：2012
- 卷期：19(3)
- 关键词：银矿 ; silver ores ; 铅锌矿床 ; lead-zinc deposit ; 地球化学异常 ; geochemical anomaly
- 页码：p.49-58
- 图表：4 illus., 7 illus., 21 refs.
- 分类号：1500
- issnNo：ISSN1005-2321
- isbnNo：CN11-3370/P
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background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>Regional geochemical indicators for prediction of large-sized ore deposits were established by using geochemical mapping data in the Daxingbackground: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>＇background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>anling Metallogenic Belt, Inner Mongolia. Geochemical provinces delineated by 1background: " lang=EN-US font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>∶background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>1000 000 geochemical mapping are closely correlated with ore districts and regional geochemical anomalies delineated by 1background: " lang=EN-US font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>∶background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>200 000 geochemical mapping have a good relationship with large-sized ore deposits. Geochemical indicators based on the three large Ag-Pb-Zn polymetallic deposits in Daxingbackground: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>＇background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>anling show that 1background: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>）background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,> Ag, Pb and Zn anomalies are consistently distributed across the large deposits; 2background: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>）background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,> 3-level nested geochemical anomalies occur around the large deposits, i.e., a geochemical provincebackground: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>（background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>500 km2background: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>）background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,> containing regional anomaliesbackground: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>（background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>100 km2background: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>）background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,> and local concentration centersbackground: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>（background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>n×10 km2background: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>）background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,>; and 3background: " font-size: New ?Times color: black; 249); 249, rgb(249, Roman?;’ mso-ascii-font-family: Roman?; mso-bidi-font-family: 10pt;>）background: " lang=EN-US font-size: Roman?,?serif?; New ?Times font-family: color: 10pt;’ black; 249); 249, rgb(249,> normalized threshold values are more than 4.5 and concentration coefficient more than 2.0.