the origin of continental crust
1Continental crust — The thickness of the Earth s crust (km). The continental crust is the layer of igneous, sedimentary, and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. This layer… …
2Crust (geology) — Geologic provinces of the world (USGS)   Shield …
3Continental drift — This article is about the development of the continental drift hypothesis before 1958. For the contemporary theory, see plate tectonics. Antonio Snider Pellegrini s Illustration of the closed and opened Atlantic Ocean (1858). Continental drift is …
4Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… …
5continental landform — ▪ geology Introduction any conspicuous topographic feature on the largest land areas of the Earth. Familiar examples are mountains (including volcanic (volcanism) cones), plateaus, and valleys. (The term landform also can be applied to… …
6The KLF — Infobox musical artist Name = The KLF Img capt = Img size = Landscape = Background = group or band Alias = The Justified Ancients of Mu Mu, The JAMs, The Timelords Origin = London, England Years active = 1987–1992, 1995, 1997 Label = KLF, Arista …
7History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… …
8Age of the Earth — This article is about scientific estimates of the age of the Earth. For religious and other non scientific estimates, see Dating Creation. Earth as seen from Apollo 17 The age of the Earth is 4.54 billion years (4.54 × 109 years ± 1%) …
9Continental fragment — Continental crustal fragments, partially synonymous with microcontinents, are fragments of continents thought to have been broken off from the main continental mass forming distinct islands, possibly several hundred kilometers from their place of …
10Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …
