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CONCEPT -
Along the route it is usual to find veins or veinlets that intruded the Gerês’ granite.
These magmatic masses, when installed in the fissures and faults, tend to acquire a table-like shape, and varied dimensions (veinlets can be only some millimetres or centimetres thick whilst veins can be several metres thick) and orientations. These can be constituted by a single mass or stockwork.
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