The Frederick Project: Geochemical exploration for sediment-hosted base metals in covered terrain in the Bangemall Basin, Western Australia Richard H. Mazzucchelli Geochemistry: Exploration, Environment, Analysis 2012 vol.12 no.4 pp.257-264 http://geea.lyellcollection.org/content/12/4.toc Search for geochemical indicators of pre-urban habitation sites: case study from the Skomantai hill-fort and..