A new mine determination of the Newtonian gravitational constant

Details A new mine determination of the Newtonian gravitational constant A new mine determination of the Newtonian gravitational constant

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.307..714h&link_type=abstract

Nature (ISSN 0028-0836), vol. 307, Feb. 23, 1984, p. 714-716. Research supported by the Mount Isa Mines, Ltd.

Mathematics

Logic

56

Geological Surveys, Geophysics, Gravimetry, Gravitational Constant, Density Measurement, Floors, Mines (Excavations), Ocean Surface, Rocks

Scientific paper

Reference is made to the work of Stacey et al. (1981) who used the mine method in conjunction with a set of overlapping sea-floor and sea-surface gravity survey data to determine the Newtonian gravitational constant. The resulting G values were found to be systematically high. A new determination of G is reported here which is also high, but in which the uncertainty in density determinations is substantially reduced. This information makes it implausible to explain the high values of G in terms of an inadequate knowledge of density. The possible effect of regional gravity anomalies, however, cannot be discounted.

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