OS1/5/5/3

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Bunkle Bunkle (Parish) Continued entire of these Camps is at the head of the Cleugh near Preston. It is surrounded with a line of double ramparts or mounds of Earth, with corresponding ditches, even yet ten or twelve feet deep, leaving an opening on the East & West sides, as ?? to the interiors. In this parish three distinct rock formations may be traced. These are the transition rocks, the old red & the new red sandstone formations. The first of these forms the northern hilly boundary of the parish, consisting of greywacke & greywacke-slate with occasionally subordinate beds & dikes or ??. The strata of the greywacke & its accompanying slate appear in general to have a direction from N.E. to S.W. as may be seen at the cleugh above Preston. Resting on this formation we meet with the old red sandstone, which seems to occupy the space between the heights & the Whiteadder, the western boundary from Preston-bridge to Hoardweel. This formation is seen most distinctly on the western side of Stenshiel-hill, opposite to Cockburn Mill, going in successive strata, in general very coarse grained or conglomerate. The great mass of Stenshiel-hill is itself a fine grained granite, or s?? greenstone, as some have chosen to call it. It is perfectly unstratifird, enveloped at its base by red sandstone, & it seems to be subordinate to the old red sandstone. Looking, therefore, at the different inclination of the sandstone strata on each sideof the mountain massof granite, the conclusion can hardly be avoided, that this vast existing strata of old red sandstone, & occupiedits present position. Following the course or the river from this to Preston-bridge, very few opportunites are afforded of examining the fundamental rocks, which,

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LMDunlop

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