FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2184964804> ?p ?o ?g. }

• W2184964804 abstract "The OKG prospect in the Umiakoviarusek Lake region of Labrador consists of pyroxenite–leucotroctolite-hosted magmatic Ni–Cu–Co sulphide mineralization. Mineralization is exposed in two zones, the Main and North zones. In both zones, podiform massive sulphides are located proximal to both pyroxenitic–leucotroctolitic intrusive rocks and ductile (mylonitic) shear zones. Sulphide mineralization intersected in drill core is associated with pyroxenitic intrusive rocks that have approximately 5 percent sulphide near their tops, and grade downward into semimassive to massive sulphides near their bases. In both drill core and surface exposures, the pyroxenitic and leucotroctolitic intrusive rocks retain primary igneous textures and mineral assemblages and do not exhibit deformation nor alteration even in proximity to ductile shearing on the surface. In contrast, the anorthositic wall-rocks on the surface locally exhibit ductile shearing, intense recrystallization and secondary replacement of the igneous minerals by greenschist-facies metamorphic assemblages. These ductile shear zones, which are associated with the showings, may have been zones of weakness exploited by the sulphide-bearing pyroxenitic magmas. A Paleoproterozoic age has recently been inferred for the anorthositic host rocks to the pyroxenitic dykes, but the structural and intrusive relationships indicate that the pyroxenite dykes may actually be Mesoproterozoic. Sulphide mineral assemblages at OKG are dominated by pyrrhotite which hosts, or is in proximity to, all other sulphide–oxide phases. From textural features and comparisons with published phase equilibria data, it is shown that the OKG sulphides are characterized by a high temperature assemblage (pyrrhotite–magnetite) and a lower temperature, subsolidus, exsolution assemblage (pyrite–chalcopyrite–pentlandite). High-temperature phases are marked by the earliest crystallization of magnetite, likely at high oxygen fugacity (ca. 1160° to 1120 ° to 1055 °C), followed by co-crystalliz ing magnetite and pyrrhotite (ca. 1055 to 1010°C). At subsolidus temperatures (ca. 1010°C and below), the earliest exsolving phase is pyrite (ca. 700°C), followed by chalcopyrite (ca. 450°C), and finally by pentlandite (ca. 250 to 200°C)." @default.
• W2184964804 created "2016-06-24" @default.
• W2184964804 creator A5036819231 @default.
• W2184964804 creator A5075178991 @default.
• W2184964804 date "1999-01-01" @default.
• W2184964804 modified "2023-09-26" @default.
• W2184964804 title "SULPHIDE PETROLOGY AND MINERALIZATION OF THE OKG Ni-Cu-Co SULPHIDE PROSPECT, UMIAKOVIARUSEK LAKE REGION, LABRADOR" @default.
• W2184964804 cites W117063972 @default.
• W2184964804 cites W1979084186 @default.
• W2184964804 cites W1980641552 @default.
• W2184964804 cites W2015899331 @default.
• W2184964804 cites W2030263140 @default.
• W2184964804 cites W2042606681 @default.
• W2184964804 cites W2062190518 @default.
• W2184964804 cites W2094828960 @default.
• W2184964804 cites W2099444203 @default.
• W2184964804 cites W2318521991 @default.
• W2184964804 cites W2585681986 @default.
• W2184964804 cites W2908955825 @default.
• W2184964804 cites W3036451447 @default.
• W2184964804 cites W3124734716 @default.
• W2184964804 cites W643763006 @default.
• W2184964804 hasPublicationYear "1999" @default.
• W2184964804 type Work @default.
• W2184964804 sameAs 2184964804 @default.
• W2184964804 citedByCount "1" @default.
• W2184964804 crossrefType "journal-article" @default.
• W2184964804 hasAuthorship W2184964804A5036819231 @default.
• W2184964804 hasAuthorship W2184964804A5075178991 @default.
• W2184964804 hasConcept C111696902 @default.
• W2184964804 hasConcept C127313418 @default.
• W2184964804 hasConcept C151730666 @default.
• W2184964804 hasConcept C159390177 @default.
• W2184964804 hasConcept C159750122 @default.
• W2184964804 hasConcept C17409809 @default.
• W2184964804 hasConcept C26687426 @default.
• W2184964804 hasConcept C2776062231 @default.
• W2184964804 hasConcept C2777163820 @default.
• W2184964804 hasConcept C2779181077 @default.
• W2184964804 hasConcept C2779870107 @default.
• W2184964804 hasConcept C37045145 @default.
• W2184964804 hasConcept C42787717 @default.
• W2184964804 hasConcept C57830525 @default.
• W2184964804 hasConceptScore W2184964804C111696902 @default.
• W2184964804 hasConceptScore W2184964804C127313418 @default.
• W2184964804 hasConceptScore W2184964804C151730666 @default.
• W2184964804 hasConceptScore W2184964804C159390177 @default.
• W2184964804 hasConceptScore W2184964804C159750122 @default.
• W2184964804 hasConceptScore W2184964804C17409809 @default.
• W2184964804 hasConceptScore W2184964804C26687426 @default.
• W2184964804 hasConceptScore W2184964804C2776062231 @default.
• W2184964804 hasConceptScore W2184964804C2777163820 @default.
• W2184964804 hasConceptScore W2184964804C2779181077 @default.
• W2184964804 hasConceptScore W2184964804C2779870107 @default.
• W2184964804 hasConceptScore W2184964804C37045145 @default.
• W2184964804 hasConceptScore W2184964804C42787717 @default.
• W2184964804 hasConceptScore W2184964804C57830525 @default.
• W2184964804 hasLocation W21849648041 @default.
• W2184964804 hasOpenAccess W2184964804 @default.
• W2184964804 hasPrimaryLocation W21849648041 @default.
• W2184964804 hasRelatedWork W138893274 @default.
• W2184964804 hasRelatedWork W173700060 @default.
• W2184964804 hasRelatedWork W2010897155 @default.
• W2184964804 hasRelatedWork W2020858535 @default.
• W2184964804 hasRelatedWork W2030369229 @default.
• W2184964804 hasRelatedWork W2031629244 @default.
• W2184964804 hasRelatedWork W2044305036 @default.
• W2184964804 hasRelatedWork W2054073499 @default.
• W2184964804 hasRelatedWork W2057678978 @default.
• W2184964804 hasRelatedWork W2084653455 @default.
• W2184964804 hasRelatedWork W2128236968 @default.
• W2184964804 hasRelatedWork W2154881439 @default.
• W2184964804 hasRelatedWork W2335969670 @default.
• W2184964804 hasRelatedWork W2341835208 @default.
• W2184964804 hasRelatedWork W2482809926 @default.
• W2184964804 hasRelatedWork W2905837545 @default.
• W2184964804 hasRelatedWork W3019165217 @default.
• W2184964804 hasRelatedWork W76480875 @default.
• W2184964804 hasRelatedWork W82561887 @default.
• W2184964804 hasRelatedWork W91636148 @default.
• W2184964804 isParatext "false" @default.
• W2184964804 isRetracted "false" @default.
• W2184964804 magId "2184964804" @default.
• W2184964804 workType "article" @default.