The Grenville orogeny was an episode of mountain-building (orogeny) associated with the assembly of the ancient supercontinent Rodinia. Orogeny (Greek for "mountain generating" is the process of natural Mountain building and may be studied as a tectonic structural event as a geographical event and In Geology, a supercontinent is a Landmass comprising more than one Continental core or Craton. For the Genus of Metalmark butterflies, see Rodinia (butterfly. The Grenville orogeny occurred in the late Proterozoic eon, 1300-1000 million years ago (mya), as numerous continental plates collided around the edges of North America, forming folded mountains. The Proterozoic (ˌproʊtərəˈzoʊɪk is a geological eon representing a period before the first abundant complex life on Earth. Plate tectonics (from Greek τέκτων tektōn "builder" or "mason" describes the large scale motions of Earth 's Lithosphere
In a narrow sense, the Grenville orogeny refers to the mountain ranges formed in western Europe and eastern North America, from Scotland southwest to Newfoundland and extending to northern Georgia, 1100-1000 mya. Scotland ( Gaelic: Alba) is a Country in northwest Europethat occupies the northern third of the island of Great Britain. Newfoundland — ˈn(jufənˌlænd (Terre-Neuve Talamh an Éisc — is a large island 15 km off the east coast of
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