Morphological and analytical study of hydrothermal sulfides from 21° north East Pacific Rise

Details Morphological and analytical study of hydrothermal sulfides from 21° north East Pacific Rise Morphological and analytical study of hydrothermal sulfides from 21° north East Pacific Rise

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985e%26psl..73...53l&link_type=abstract

Earth and Planetary Science Letters, Volume 73, Issue 1, p. 53-64.

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Scientific paper

Hydrothermal sulfide samples collected in the course of ``Alvin'' dives at 21°N East Pacific Rise (EPR) have been systematically studied for morphology and composition by means of SEM and electron microprobe analyses.
Two categories of samples were available: pyrite-zinc sulfide associations and pyrite-copper-rich sulfide associations. Large-scale variations and small-scale scatter in the stoichiometric composition of the sulfides were caused by the varying composition of deposition and aggregation that exist in the hydrothermal chimneys. Low temperatures of formation can be inferred for the samples based on a comparison with data on the formation of synthetic sulfides.

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