Portsoy

Soon wearying, however, of hearing the rain beating mad-like ratans upon the panes, and availing myself of a comparatively "lucid interval," I sallied out, wrapped up in my plaid, to examine the serpentine beds in the neighborhood, which produce what is so extensively known as the Portsoy marble.

The Cruise of the Betsey or, A Summer Ramble Among the Fossiliferous Deposits of the Hebrides. With Rambles of a Geologist or, Ten Thousand Miles Over the Fossiliferous Deposits of Scotland Hugh Miller 1829

These form subparallel belts trending north-east and south-west from the seacoast between Cullen and Portsoy southwards by Keith and Dufftown to the head waters of the Avon beyond Tomintoul.

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Shelly sands have been recorded near the Ord south of Tillynaught near Portsoy, and shells have been found in stratified deposits on the shore near Gamrie.

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Veins and bosses of serpentine are associated with these basic intrusions at Portsoy and near Grange, one of the veins being traceable at intervals from the shore southwards in the direction of Knock Hill.

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Some excellent sections of the phyllites are to be seen on the shore between Sandend, near Portsoy, and

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Various mineral localities occur throughout the county, of which some of the most important occur on the shore at Portsoy, as for example the gabbro masses in Portsoy Bay with enstatite, hypersthene and labradorite, the graphic granite with microcline, muscovite and tourmaline at East Head, the chiastolite-schist west of the marble quarry, the mottled serpentine with strings of chrysotile.

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Rothiemay and Gollachy, and engineering works in Banff, Portsoy and Keith.

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Keith (4753), with Cullen (1936), Portsoy (1878) and Dufftown (1823).

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The older acid rocks are represented by the sills of granite and augen-gneiss occurring west of Portsoy, south of Fordyce and near Keith, while the older basic rocks are illustrated by the belt of gabbro, epidiorite and hornblende-schist which stretches southwards from the coast at Portsoy, by Rothiemay to Huntly in Aberdeenshire.

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Bridge of Banff communicating, via Inveramsay, with Aberdeen, and another at the harbour, communicating with Portsoy and Keith.

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