^pKey;
Laboratory;
for;
Mineral;
Deposits;
Research,;
School;
of;
Earth;
Sciences;
and;
Engineering,;
Nanjing;
University,;
Nanjing;
210093,;
China;
^pKey;
Laboratory;
o;
fOre;
Deposit;
Geochemistry,;
Institute;
of;
Geochemistry,;
Chinese;
Academy;
of;
Sciences,;
Guiyang;
550002,;
China;
海底喷流沉积; 同位素年代学; 矿化带; 同位素定年; 下盘; 安徽铜陵; 新桥; 证据;