| Reference Type | Journal (article/letter/editorial) |
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| Access Rights | Open Access |
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| Title | The petrography and possible regional significance of the Hjelmkona ultramafic body (Sagvandite), Nordmøre, Norway |
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| Journal | Norsk Geologisk Tidsskrift
[Norwegian Journal of Geology] | ISBN | 0029-196X |
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| Authors | Moore, Allan C. | Author |
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| Year | 1977 | Volume | 57 |
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| Page(s) | 55-64 | Issue | 1 |
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| Publisher | Universitetsforlaget | Place | Oslo |
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| Download URL | https://njg.geologi.no/images/NJG_articles/NGT_57_1_055-064.pdf+ |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16950551 | Long-form Identifier | mindat:1:5:16950551:8 |
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| GUID | 0 |
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| Full Reference | Moore, Allan C. (1977) The petrography and possible regional significance of the Hjelmkona ultramafic body (Sagvandite), Nordmøre, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 57 (1). 55-64 |
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| Plain Text | Moore, Allan C. (1977) The petrography and possible regional significance of the Hjelmkona ultramafic body (Sagvandite), Nordmøre, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 57 (1). 55-64 |
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| In | (1977) Norsk Geologisk Tidsskrift [Norwegian Journal of Geology] Vol. 57 (1). Universitetsforlaget |
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| Abstract/Notes | The Hjelmkona ultramafic body crops out in upper amphibolite facies rocks of the Basal Gneiss Complex of western Norway, dated at 1,700 m.y., and it consists dominantly of carbonate-bearing harzburgites (sagvandites) with associated chromitites. The earliest recognisable mineral assemblages (olivine plus orthopyroxene) are metamorphic in origin and have undergone late stage CO2-metasomatism. Similar rocks are found in high-grade metamorphic gneisses elsewhere in west Norway. The proposal is made that these distinctive types of ultramafic rocks are characteristic of much of the Basal Gneiss Complex and may provide a basis for correlation. |
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