Halogen and phosphorus storage in the earth

Details Halogen and phosphorus storage in the earth Halogen and phosphorus storage in the earth

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981natur.289..762s&link_type=abstract

Nature, vol. 289, Feb. 26, 1981, p. 762-765.

Astronomy and Astrophysics

Astronomy

10

Earth Surface, Geochemistry, Halogens, Mineral Deposits, Phosphorus, Astronomical Models, Earth Mantle, Earth Planetary Structure, Planetary Evolution, Spatial Distribution

Scientific paper

Chemical analyses of surface reservoirs, coupled with compositions for interior zones inferred from geophysical and geochemical data have been used to obtain a range of estimates of the bulk composition of the earth. It is suggested that (1) apatite with 3 wt% Fe, up to 1 wt% Cl, and 0.003 wt% Br is the principal mineral reservoir for halogens, and mica is a subsidiary reservoir; (2) apatite with 18 wt% P is the principal store of P in the upper mantle and perhaps lower mantle, but accounts for only one-twentieth of P in the earth; and (3) the remaining P is in a reservoir inaccessible to magmatism, and may amount to a maximum of 0.7 wt% in the core.

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