| Reference Type | Journal (article/letter/editorial) |
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| Title | Fission track dates from two Galloway granites, Scotland |
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| Journal | Geological Magazine |
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| Authors | Hurford, A. J. | Author |
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| Year | 1977 (July) | Volume | 114 |
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| Issue | 4 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s001675680004509xSearch in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 251330 | Long-form Identifier | mindat:1:5:251330:4 |
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| GUID | 0 |
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| Full Reference | Hurford, A. J. (1977) Fission track dates from two Galloway granites, Scotland. Geological Magazine, 114 (4) 299-304 doi:10.1017/s001675680004509x |
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| Plain Text | Hurford, A. J. (1977) Fission track dates from two Galloway granites, Scotland. Geological Magazine, 114 (4) 299-304 doi:10.1017/s001675680004509x |
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| In | (1977, July) Geological Magazine Vol. 114 (4) Cambridge University Press (CUP) |
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| Abstract/Notes | SummaryPrevious radiometric age determinations for the Criffell–Dalbeattie and Cairnsmore of Fleet Newer Granite intrusions are briefly reviewed. Thirteen fission-track dating results are presented for the co-existing accessory minerals sphene, zircon and apatite separated from the two granites. The mean sphene apparent age of 401±10 Ma and single zircon apparent age of 389±26 Ma are interpreted as the age of initial post-intrusion cooling of the granites. Results from apatite are discordant with those of sphene and zircon. Four determinations give a mean Upper Cretaceous apparent age of ∼ 80 Ma which is not readily interpreted. A single apatite determination upon a sample located adjacent to a basaltic dyke yielded a Tertiary age. |
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