Crust (geology) crustal rocks formed before 2.5 billion years ago are located in cratons. Such old continental crust and the underlying mantle asthenosphere are less dense than elsewhere in Earth and so are not readily destroyed by subduction. Formation of new continental crust is linked to periods of intense orogeny; these periods coincide with the formation of the supercontinents such as Rodinia, Pangaea and Gondwana. The crust forms in part by aggregation of island arcs including granite and metamorphic fold belts, and it is preserved in part by depletion of the underlying mantle to form buoyant lithospheric mantle. A theoretical protoplanet named
Rosie (given name) has been rare as a given name for newborns in the United States since the 1980s. Rosie (given name) Rosie is a feminine given name of English origin. It is a diminutive form of the English language given name Rose, which is of Latin origin. Similar diminutives in other languages include: ' becoming ' in Spanish, and ' becoming ' in Slavic languages. Rosie is a nickname for variations of "Rose" such as "Rosalie", "Rosemary", "Roseanne", "Rosalyn", and others. Historically, Rosie has been a reasonably popular given name for infants in England and Wales during the early 21st century, as