Primary Sources of Phosphorus and Phosphates in Chemical Evolution

Details Primary Sources of Phosphorus and Phosphates in Chemical Evolution Primary Sources of Phosphorus and Phosphates in Chemical Evolution

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997oleb...27..459m&link_type=abstract

Origins of Life and Evolution of the Biosphere, v. 27, Issue 5/6, p. 459-480 (1997).

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In this work we consider the role of phosphorus in chemical evolution from an interdisciplinary approach. First we briefly review the presence of this element in different cosmic sites, such as massive stellar cores, circumstellar and interstellar clouds, meteorites, lunar and Martian samples, interplanetary dust particles, cometary dust and planetary atmospheres. Thus we illustrate the fact that phosphorus seems to be, at the same time, scarce and ubiquitous in the solar system. Afterwards, by comparing the phosphorus content of our planet's main reservoirs with the amount of cometary and meteoritic matter captured by the primitive Earth, we conclude that comets may have provided a primary source for phosphorus compounds of prebiotic interest. Finally, we make a number of proposals aimed to gain observational supporting evidence to the above conclusion and other suggestions made in the article.

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