Investigation of primary halos(hypogene), Lithogeochemical surveying, methods of highlighting Lithogeochemical anomalies, axial haloes, longitudinal haloes, exploratory application of primary haloes, evaluation of the current eroded surface regarding to the mineralization stage, types of alteration haloes, surveying methods of alteration haloes, exploratory application of the alteration haloes, investigation of secondary haloes(supergene), alluvial surveying, soil surveying, designing sampling grids, geochemical data processing, mapping the geochemical distribution maps in secondary environments regarding to distribution patterns of elements in supergene environments. Categorizing haloes and their exploratory application, investigation of hydrogeochemical haloes, halo sampling, hydrogeochemical halo processing, gas investigation and its exploratory application, studying geobotanical and biogeochemical anomalies and their exploratory application, selecting the proper geochemical exploration method in regional and local scales.