pedogeochemical survey

pedogeochemical survey

[¦ped·ō‚jē·ō′kem·ə·kəl ′sər‚vā]
(geochemistry)
A geochemical prospecting survey in which the materials sampled are soil and till.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.