Compositional and mineralogic constraints on the genesis of ophiolite hosted nickel mineralization in the Pevkos area, Limassol Forest, Cyprus
Identifieur interne : 001469 ( Main/Exploration ); précédent : 001468; suivant : 001470Compositional and mineralogic constraints on the genesis of ophiolite hosted nickel mineralization in the Pevkos area, Limassol Forest, Cyprus
Auteurs : Michael P. Foose [États-Unis] ; Maria Economou [Grèce] ; A. Panayiotou [Chypre (pays)]Source :
- Mineralium Deposita [ 0026-4598 ] ; 1985-10-01.
Abstract
Abstract: Mineralization composed dominantly of primary troilite, maucherite, pentlandite, and chalcopyrite, and secondary valleriite occurs in serpentinized transition zone rocks of the Limasol Forest segment of the Troodos ophiolite complex, Cyprus. Whole-rock and electron microprobe analyses of this mineralization gives ranges of Cu/(Cu+Ni)=0.16 to 0.47, Pt/(Pt+Pd)=0.66 to 0.51, Ni/Co=6.33 to 13.4, and chondrite normalized plots with low concentrations of Rh, Pt, and Pd, but relatively high Au. Estimated distribution coefficients of nickel and iron between olivine and ore range from 0.5 to 7.4. Most of these data are unlike values from magmatic sulfide deposits and indicate either a complete alteration of a preexisting magmatic sulfide concentration or, more likely, a nonmagmatic origin for this mineralization.
Url:
DOI: 10.1007/BF00204279
Affiliations:
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Foose</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>U.S. Geological Survey, 22092, Reston, Virginia</wicri:regionArea><placeName><region type="state">Virginie</region></placeName></affiliation></author><author><name sortKey="Economou, Maria" sort="Economou, Maria" uniqKey="Economou M" first="Maria" last="Economou">Maria Economou</name><affiliation wicri:level="1"><country xml:lang="fr">Grèce</country><wicri:regionArea>Institute of Mineralogy and Petrology, Athens University</wicri:regionArea><wicri:noRegion>Athens University</wicri:noRegion></affiliation></author><author><name sortKey="Panayiotou, A" sort="Panayiotou, A" uniqKey="Panayiotou A" first="A." last="Panayiotou">A. Panayiotou</name><affiliation wicri:level="1"><country xml:lang="fr">Chypre (pays)</country><wicri:regionArea>Geological Survey of Cyprus, Nicosia</wicri:regionArea><wicri:noRegion>Nicosia</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Mineralium Deposita</title><title level="j" type="sub">International Journal of Geology, Mineralogy and Geochemistry of Mineral Deposits</title><title level="j" type="abbrev">Mineral. Deposita</title><idno type="ISSN">0026-4598</idno><idno type="eISSN">1432-1866</idno><imprint><publisher>Springer-Verlag</publisher><pubPlace>Berlin/Heidelberg</pubPlace><date type="published" when="1985-10-01">1985-10-01</date><biblScope unit="volume">20</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="234">234</biblScope><biblScope unit="page" to="240">240</biblScope></imprint><idno type="ISSN">0026-4598</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0026-4598</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Mineralization composed dominantly of primary troilite, maucherite, pentlandite, and chalcopyrite, and secondary valleriite occurs in serpentinized transition zone rocks of the Limasol Forest segment of the Troodos ophiolite complex, Cyprus. Whole-rock and electron microprobe analyses of this mineralization gives ranges of Cu/(Cu+Ni)=0.16 to 0.47, Pt/(Pt+Pd)=0.66 to 0.51, Ni/Co=6.33 to 13.4, and chondrite normalized plots with low concentrations of Rh, Pt, and Pd, but relatively high Au. Estimated distribution coefficients of nickel and iron between olivine and ore range from 0.5 to 7.4. Most of these data are unlike values from magmatic sulfide deposits and indicate either a complete alteration of a preexisting magmatic sulfide concentration or, more likely, a nonmagmatic origin for this mineralization.</div></front></TEI><affiliations><list><country><li>Chypre (pays)</li><li>Grèce</li><li>États-Unis</li></country><region><li>Virginie</li></region></list><tree><country name="États-Unis"><region name="Virginie"><name sortKey="Foose, Michael P" sort="Foose, Michael P" uniqKey="Foose M" first="Michael P." last="Foose">Michael P. 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