| Reference Type | Journal (article/letter/editorial) |
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| Title | The diagnostic geochemistry, relative abundance, and spatial distribution of high-calcium, low-alkali olivine tholeiite dykes in the Lower Tertiary regional swarm of the Isle of Skye, NW Scotland |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Mattey, D. P. | Author |
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| Gibson, I. L. | Author |
| Marriner, G. F. | Author |
| Thompson, R. N. | Author |
| Year | 1977 (June) | Volume | 41 |
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| Issue | 318 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_41/41-318-273.pdf+ |
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| DOI | doi:10.1180/minmag.1977.041.318.16Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 2769 | Long-form Identifier | mindat:1:5:2769:8 |
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| GUID | 0 |
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| Full Reference | Mattey, D. P., Gibson, I. L., Marriner, G. F., Thompson, R. N. (1977) The diagnostic geochemistry, relative abundance, and spatial distribution of high-calcium, low-alkali olivine tholeiite dykes in the Lower Tertiary regional swarm of the Isle of Skye, NW Scotland. Mineralogical Magazine, 41 (318) 273-285 doi:10.1180/minmag.1977.041.318.16 |
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| Plain Text | Mattey, D. P., Gibson, I. L., Marriner, G. F., Thompson, R. N. (1977) The diagnostic geochemistry, relative abundance, and spatial distribution of high-calcium, low-alkali olivine tholeiite dykes in the Lower Tertiary regional swarm of the Isle of Skye, NW Scotland. Mineralogical Magazine, 41 (318) 273-285 doi:10.1180/minmag.1977.041.318.16 |
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| In | (1977, June) Mineralogical Magazine Vol. 41 (318) Mineralogical Society |
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| Abstract/Notes | SummaryDykes from four sections across the axis of the Skye regional swarm have been analysed for major elements, Nb, Rb, Sr, Y, Zr, and rare-earth elements. 70 % of the dykes are characterized by relatively high CaO (11–12%), and low abundance of elements such as TiO2 (∼1%), K2O (0·05–0·20 %), Zr (30–60 ppm), with a light-rare-earth depleted chondrite normalized pattern. The remainder of the swarm comprises dykes equivalent in composition to the Skye Main Lava Series and dykes belonging to a further magma type distinguished by a flat chondrite normalized rare-earth pattern. The high-calcium, low-alkali tholeiite dykes are confined to a narrow persistent zone forming the major axis of dilation of the swarm; other basaltic dykes are axially less persistent and have a wider lateral distribution. The more evolved dykes tend to be restricted to central Skye. |
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