ELEMENTS Editor L. H. AHRENS University of Cape Town, South Africa Co-editors Section I Theories of origin...acknowledged. Dept. of Geochemistry, University of Cape Town L. H. AHRENS Introductory Remarks EARL INGERSON... now under construction in the Homestake Mine, South Dakota, employs a neutrino detection technique,...p-on\y isotopes. See text. Î Obtained assuming the local approximation : N-bsac = 695. 2000 • 1 • 1000...York and R. M. W A L K E R Washington University, St. Louis, Missouri Abstract This paper is a review |