🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsالعربيةفارسی中文日本語EntityQ338146· pop 15· linked from 20 articlesAcasta Gneissrock that is among the oldest known crustal fragments on EarthConnectionsgneissEntityCanadaCountryCategoriesGneissHadeanRock formations of CanadaStratigraphy of the Northwest Territories