00608cam a2200181 7i4500 0000005473 20070116090000.0 20040609000000.0 xx 00010 eng 0915834049 TN270 .L54 1980 Levinson Introduction to exploration geochemistry A. A. Levinson. Wilmette, Ill.: Applied Publishing Ltd., 1980. xiv,924p.: ill.; 23 cm. Includes bibliographical references (p. 893-916) and index Geochemical prospecting 0000007524 Book Open Shelf HQ Library