quartz cover
31Quartzite — Swan Peak Quartzite (Ordovician) ex …
32Core Image — Mac OS X graphics model Rendering QuickDraw • Core OpenGL Quartz 2D • Core Image Core Animation • …
33Optical mineralogy — A petrographic microscope, which is an optical microscope fitted with cross polarizing lenses, a conoscopic lens, and compensators (plates of anisotropic materials; gypsum plates and quartz wedges are common), for crystallographic analysis.… …
34The Contrast (band) — Infobox musical artist Name = The Contrast Background = group or band Origin = UK Genre = Power pop, Rock, Garage Rock Years active = 1999 ndash;present Label = Rainbow Quartz, Wicked Cool Current members = David Reid Richard Angus Mackman Thorin …
35Ghana — Ghanaian, Ghanian /gah nee euhn, gan ee /, n., adj. /gah neuh, gan euh/, n. 1. a republic in West Africa comprising the former colonies of the Gold Coast and Ashanti, the protectorate of the Northern Territories, and the U.N. trusteeship of… …
36Igneous rock — Geologic provinces of the world (USGS)   Shield …
37Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… …
38Mausoleum of Mao Zedong — Coordinates: 39°54′04″N 116°23′29″E / 39.9010°N 116.3915°E / 39.9010; 116.3915 …
39Core Video — Mac OS X graphics model Rendering QuickDraw • Core OpenGL Quartz 2D • Core Image Core Animation • Core Video ColorSync …
40Geology 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… …
