Changsha;
Institute;
of;
Geotectonics,;
Chinese;
Academy;
of;
Sciences,;
Changsha;
410013,;
China;
Changsha;
Institute;
of;
Geotectonics,;
Chinese;
Academy;
of;
Sciences,;
Changsha;
410013,;
China;
Changsha;
Institute;
of;
Geotectonics,;
Chinese;
Academy;
of;
Sciences,;
Changsha;
410013,;
China;
Tianjin;
Institute;
of;
Geology;
and;
Mineral;
Resources,;
Ministry;
of;
Land;
and;
Resource,;
Tianjin;
310170,;
China;
Changsha;
Institute;
of;
Geotectonics,;
Chinese;
Academy;
of;
Sciences,;
Changsha;
410013,;
China;
zircon; U-Pb; dating,; granodioritic; intrusions,; petrogenetic; implications,; South; China.;