rock-flint
131Ometepe (archaeological site) — Ometepe Island is an important archaeological site, located in the Lake Nicaragua in the Republic of Nicaragua, administratively belongs to the Rivas Department. Its name derives from the Nahuatl words ome (two) and tepetl (mountain), meaning two …
132Chalk — For other uses, see Chalk (disambiguation). Chalk Sedimentary Rock The Needles, situated on the Isle of Wight, are part of the extensive Southern England Chalk Formation. Composition …
