The horizontal component and perpendicular component of geomagnetic field are measured,the magnitude and direction of geomagnetic field is measured further using Helmholtz magnetic field determinator with the type of FD-HM-I and probe of highly sensitive mill-tesla device,the conventional experimental method measuring geomagnetic field is improved.

Discovery of Abyssal Rift Basin in Middle Devonian in Wulasitai Area,West Tianshan,Xingjiang;