- Abstract:
-
Rhenium-Osmium (Re-Os) isotope and elemental data are presented for mafic-ultramafic rocks from the central region of the Lewisian Archean terrain in northwest Scotland. These results give a best estimate for the time of emplacement of the mafic-ultramafic bodies of 2686.7 ± 14.7 Myr (2σ). The initial 187Os/188Os isotope ratio of 0.10940 ± 0.00076 indicates that such material possessed a chondritic Os isotope composition, which suggests that these rocks were formed by direct melting of mantle...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1016/S0012-821X(00)00134-5
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- Journal:
- EARTH AND PLANETARY SCIENCE LETTERS
- Volume:
- 179
- Issue:
- 3-4
- Pages:
- 453-467
- Publication date:
- 2000-07-15
- DOI:
- ISSN:
-
0012-821X
- URN:
-
uuid:b77f898d-1a9c-4f94-9c15-f6745be864b7
- Source identifiers:
-
152051
- Local pid:
- pubs:152051
- Language:
- English
- Keywords:
- Copyright date:
- 2000
Journal article
Resolving crystallisation ages of Archean mafic-ultramafic rocks using the Re-Os isotope system
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