Institute;
of;
Geomechanics,;
Chinese;
Academy;
of;
Geological;
Sciences,;
Beijing;
100081,;
China;
Institute;
of;
Geomechanics,;
Chinese;
Academy;
of;
Geological;
Sciences,;
Beijing;
100081,;
China;
Institute;
of;
Geomechanics,;
Chinese;
Academy;
of;
Geological;
Sciences,;
Beijing;
100081,;
China;
Department;
of;
Earth;
and;
Planetary;
Sciences,;
Shizuoka;
University,;
Shizuoka,;
Japan;
Qilian; Mountain,; paleomagnetism,; Early; Cretaceous,; Hekou; group.;