TERRITORY | GEODIVERSITY | CASTLE PERIDOTITES

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GEODIVERSITY | 15. CASTLE PERIDOTITES

Here, and in a nearby quarry, you can see dunites and harzburgites, rocks from the peridotite group. These are rocks consolidated in the earth's mantle, which are uncommon to see. In this case, the dunites and harzburgites formed the base of the lithosphere sequence located under the Galicia Trás-os-Montes ocean. The metamorphism to which they were subjected is responsible for the presence of minerals such as serpentine, talc, chlorite and chromite