granitic magma
51Duluth Complex — Shaded relief image showing Duluth Complex arcing from Duluth to Pigeon Point, interrupting and splitting the Mesabi and Gunflint Ranges The Duluth Complex, the related Beaver Bay Complex (often treated as part of the Duluth Complex),[1] and the… …
52Bennett Lake Volcanic Complex — Infobox Mountain Name=Bennett Lake Volcanic Complex Photo= Caption= Elevation=1500 m (4900 ft) Location=British Columbia/Yukon, Canada Range=Boundary Ranges, Coast Mountains Prominence = Coordinates = Topographic Type=Caldera Volcanic Arc/Belt=… …
53Rocky Mountains — the chief mountain system in North America, extending from central New Mexico to N Alaska. Highest peak, Mount McKinley, 20,300 ft. (6187 m). Also called Rockies. * * * or Rockies Mountain system, western North America. It extends some 3,000 mi… …
54Magmatic water — or juvenile water is water which exists within and in equilibrium with a magma or water rich volatile fluids which are derived from a magma. This magmatic water is released to the atmosphere during a volcanic eruption. Magmatic water may also be… …
55Ardèche — For the ship, see MV Ardeche. Ardèche   Department   …
56Continental 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… …
57Miarolitic cavities — (or miarolitic texture ) are typically crystal lined irregular cavities or vugs most commonly found in granitic pegmatites, but also found in a variety of igneous rocks. The central portions of pegmatites are often miarolitic as the pegmatite… …
58Kalahari craton — The Kalahari craton occupies a large portion of South Africa and consists of the Kaapvaal, the Zimbabwe craton, the Limpopo belt, and the Namaqua Belt. It has formed a stable unit for the past 2.3 billion years (2.3 Ga). As such, it contains some …
59Trans-Hudson orogeny — [ North American craton, also called Laurentia.] [ Wyoming, Superior and Hearne cratons] The Trans Hudson orogeny, Trans Hudsonian orogeny, Trans Hudson orogen (THO), or Trans Hudson Orogen Transect (THOT), (also referred to as the Trans… …
60anatexis — /an euh tek sis/, n., pl. anatexes / tek seez/. n. Geol. the process by which igneous rock remelts into magma. [ < NL < Gk anátexis a melting, equiv. to anaték(ein) to melt down (ana ANA + tékein to thaw) + sis SIS] * * * ▪ geology in… …
