State;
Key;
Lab;
of;
Geological;
Processes;
and;
Mineral;
Resources,;
China;
University;
of;
Geosciences,;
Wuhan;
430074,;
China;
Department;
of;
Earth;
and;
Space;
Science;
and;
Engineering,;
Department;
of;
Geography,;
York;
University,;
4700;
Keele;
Street,;
Toronto,;
Ontario,;
M3J;
1P3,Canada;
gamma; ray; spectrometer; data,; gold; mineralization,; alteration; zones,; multifractal; modelling,; spectral; analysis,; GIS.;