Meteora is a complex of dark sandstone rocks that rise outside of Kalampaka in Thessaly, near the first hills of Pindos and Hassia.
The Meteora complex consists mainly (in a percentage that reaches 95%) of pebbled sandstone and cobblestone of the Oligocene and Neolithic eras, and the remaining percentage are mainly coarse-grained sandstones. It also contains a very small percentage of siltstones, which, when present, form a thin layer a few centimeters thick.
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