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Record #136847:
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MARC recordSHRIMP U-Pb single zircon geochronology of a Proterozoic mafic dyke, Isukasia, southern West Greenland / A.P. Nutman, H. Hagiya, S. Maruyama.
| Title: | SHRIMP U-Pb single zircon geochronology of a Proterozoic mafic dyke, Isukasia, southern West Greenland / A.P. Nutman, H. Hagiya, S. Maruyama. |
| Author(s): | Nutman, A. P. Hagiya, H. Maruyama, S. |
| Date: | 1995. |
| In: | Geological Society of Denmark. Bulletin. (1995.), Vol. 42(1) (1995) |
| Abstract: | Noritic dykes orientated north-south are early members of Proterozoic swarms which cut Archaean craton of West Greenland. Diffuse- margined felsic patch within wide dyke at Isukasia is interpreted to have crystallized at same time as rest of dyke. Three zircons were separated from 500 g sample of felsic patch. Pb isotopic ages were between 3390 and 3310 Ma. |
| Notes: | Geological Society of Denmark. Bulletin. Vol. 42(1) :17-22 (1995). |
| Keywords: | 54.027 -- Isotope analysis. 546.815 -- Lead. 551.1/.4 -- Geology. 551.222 -- Veins, dykes and sills. 552.3 -- Igneous rocks. B -- Geology and soil sciences. (*3) -- Arctic regions. (*38) -- Greenland. (*384.64) -- Maniitsoq/Sukkertoppen. |
| SPRI record no.: | 136847 |
LDR 01430naa#a2200000#a#4500 001 SPRI-136847 005 20231003120243.0 007 ta 008 231003s1995####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-136847 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aNutman, A. P. 245 10 ‡aSHRIMP U-Pb single zircon geochronology of a Proterozoic mafic dyke, Isukasia, southern West Greenland /‡cA.P. Nutman, H. Hagiya, S. Maruyama. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1995. 300 ## ‡ap. 17-22 :‡bdiags., table, map. 500 ## ‡aGeological Society of Denmark. Bulletin. Vol. 42(1) :17-22 (1995). 520 3# ‡aNoritic dykes orientated north-south are early members of Proterozoic swarms which cut Archaean craton of West Greenland. Diffuse- margined felsic patch within wide dyke at Isukasia is interpreted to have crystallized at same time as rest of dyke. Three zircons were separated from 500 g sample of felsic patch. Pb isotopic ages were between 3390 and 3310 Ma. 650 07 ‡a54.027 -- Isotope analysis.‡2udc 650 07 ‡a546.815 -- Lead.‡2udc 650 07 ‡a551.1/.4 -- Geology.‡2udc 650 07 ‡a551.222 -- Veins, dykes and sills.‡2udc 650 07 ‡a552.3 -- Igneous rocks.‡2udc 650 07 ‡aB -- Geology and soil sciences.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*38) -- Greenland.‡2udc 651 #7 ‡a(*384.64) -- Maniitsoq/Sukkertoppen.‡2udc 700 1# ‡aHagiya, H. 700 1# ‡aMaruyama, S. 773 0# ‡7nnas ‡tGeological Society of Denmark. Bulletin. ‡gVol. 42(1) (1995) ‡wSPRI-73282 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231003