0	0.12413	earthquake seismic data earthquakes fault earth area gravity 
1	0.11197	soil water groundwater resistivity area samples values using 
2	0.07538	rocks quartz minerals deposits mineral samples formation area 
3	0.12217	area land water soil data analysis rainfall climate 
4	0.08735	del los que las con para por una 
5	0.07071	basin formation shale gas colombia area cretaceous upper 
6	0.19555	data model method using time results based image 
7	0.13966	rock china area coal characteristics flow wang mining