(22_44¢N,86_20¢E) and (4) Galudih, Station D (22_40¢N, 86_25¢E).Station A is situated
upstream on river Subernarekha,about 15 km from the industrial city of Jamshedpur and just
touching the southern demarcation line of the basic igneous rock layer. Station B, before river
Kharkhai meets with river Subernarekha, is also upstream at a distance of 5 km. Similarly,
stations C and D are situated downstream and at a distance of 5 and 15 km,respectively, after
the city of Jamshedpur. A small seasonalrivulet, the Gurmanala creek, joins river
Subernarekha between stations C and D.