XIV.—
            <b>Geophysical Survey of a Magnetite Deposit in the Island of Tiree</b>

Whetton, J. T.; Myers, Johnny

doi:10.1144/transglas.21.2.237

Cited by 4 publications

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“…Combined, these occurrences define a peak in carbonatite intrusion at the time (Rukhlov and Bell 2010). The Lewisian supracrustal rocks in other inliers were mineralized by contemporary VMS deposition (Jones et al 1987) and banded iron formations (Whetton and Myers 1949; Coats et al 1997). However, the mineralization in the Loch Shin marble appears to relate to the chemistry of the Caledonian plutons that intruded the region surrounding Loch Shin.…”

Section: Discussionmentioning

confidence: 99%

Niobium mineralization of sedimentary carbonates, Lewisian Complex, UK

Parnell

Michie

Heptinstall

et al. 2021

Applied Earth Science

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Proterozoic limestone in a north British terrane contains a newly recognised occurrence of Nb-REE minerals. The mineralized Loch Shin Limestone is in the Lewisian Complex of the Northern Highlands of Scotland, intruded by alkaline plutons above a Caledonian (∼0.43 Ga) subduction zone. The mineral assemblage includes columbite, calcium niobate minerals, and niobian rutile and also includes W-and Sn-bearing phases. The interval between limestone deposition and mineralization was over a billion years. Other limestones in the Lewisian Complex that were not affected by alkaline plutons are not mineralized by Nb. The occurrence indicates that there may be exploration potential for Nb in limestones mineralized by hydrothermal activity above subduction zones with alkaline intrusions.

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Section: Discussionmentioning

confidence: 99%

Niobium mineralization of sedimentary carbonates, Lewisian Complex, UK

Parnell

Michie

Heptinstall

et al. 2021

Applied Earth Science

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Mineral resources of the Inner Hebrides

Gribble¹

1983

Proc. Sect. B. Biol.

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Mineral resources of the Inner Hebrides

Gribble

1983

Proc., Sect. B Biol. sci.

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SynopsisThe review examines the commercial potential of deposits of iron ores, lead, chromite, silica-rich rocks and diatomite that the Inner Hebrides possesses. Working quarries are described and their reserves estimated. Careful assessment of all the available data suggests that only the Raasay Ironstone, two diatomite deposits in Skye and an operating sand and gravel deposit at Allt Anavig in Skye merit further, detailed investigation.

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XIV.— Geophysical Survey of a Magnetite Deposit in the Island of Tiree

Cited by 4 publications

References 0 publications

Niobium mineralization of sedimentary carbonates, Lewisian Complex, UK

Niobium mineralization of sedimentary carbonates, Lewisian Complex, UK

Mineral resources of the Inner Hebrides

Mineral resources of the Inner Hebrides

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