Retrieving "Geologic Epoch" from the archives

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1. Old Red Sandstone

   Linked via "epoch"

   The Old Red Sandstone (ORS) is a distinct lithological group, primarily composed of coarse-grained sedimentary rocks that developed extensively across Euramerica during the Devonian period (approximately 419 to 359 million years ago). It represents the terrestrial sedimentary infill of post-orogenic basins established following the terminal phases of the Caledonian Orogeny. The form…