Summary: The Statistics and Distribution of Helium in the Mantle
by
Don L. Anderson
California Institute of Technology
Seismological Laboratory 252-21
Pasadena, CA 91125 U.S.A.
626.395.6901
FAX: 626.564.0715
E-mail: dla @gps.caltech.edu
Submitted 8 December, 1999
for
K. Krauskopf Symposium
December 1999
Stanford
2
Abstract
An unbiased estimate of the 3
He/4
He ratio (R) along the Earth's spreading ridge system is
9.14 + 3.59 Ra (n = 503)

Source: Anderson, Don L. - Division of Geological and Planetary Sciences, California Institute of Technology

Collections: Geosciences