Earth's phosphides in Levant and insights into the source of Archean prebiotic phosphorus

Sergey N. Britvin, Michail N. Murashko, Yevgeny Vapnik, Yury S. Polekhovsky, Sergey V. Krivovichev

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

Natural phosphides - the minerals containing phosphorus in a redox state lower than zero - are common constituents of meteorites but virtually unknown on the Earth. Herein we present the first rich occurrence of iron-nickel phosphides of terrestrial origin. Phosphide-bearing rocks are exposed in three localities in the surroundings of the Dead Sea, Levant: in the northern Negev Desert, Israel and Transjordan Plateau, south of Amman, Jordan. Seven minerals from the ternary Fe-Ni-P system have been identified with five of them, NiP2, Ni5P4, Ni2P, FeP and FeP2, previously unknown in nature. The results of the present study could provide a new insight on the terrestrial origin of natural phosphides - the most likely source of reactive prebiotic phosphorus at the times of the early Earth.

Original languageEnglish
Article number8355
JournalScientific Reports
Volume5
DOIs
StatePublished - 10 Feb 2015

ASJC Scopus subject areas

  • General

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