Volborth, Alexis, Elemental analysis in geochemistry : a. major elements / by Alexis Volborth - Amsterdam : Elsevier, 1969 - xv, 373 pages : illustrations ; 22 cm - Methods in geochemistry and geophysics ; 8 . includes bibliographical reference and index Subjects--Topical Terms: Analytical geochemistry LC Class. No.: QE515 V65