petrosphere
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Pétrosphère — Sphère mégalithique située dans la cour du Musée national du Costa Rica, un exemple de pétrosphère. Une pétrosphère est, en archéologie, un objet artificiel de forme sphérique et fabriqué en pierre. Annexes Sphères mégalithiques du Costa Rica… … Wikipédia en Français
Petrosphere — In archaeology, a petrosphere is the name for any spherical man made object which is composed of stone of any size. These mainly prehistoric artefacts may have been created and/or selected, but altered in some way to perform their specific… … Wikipedia
petrosphere — pet·ro·sphere … English syllables
petrosphere — ˈpe.trəˌ noun Etymology: petr + sphere : lithosphere … Useful english dictionary
Fogou — The word Fogou or Fougou as it can also be spelt, derives from fogo which was the Cornish word for cave. A fogou (pronounced foo goo ) is an underground structure which is found in many Iron Age defended settlements throughout northern Europe… … Wikipedia
Sphere (disambiguation) — A sphere is an object shaped like the surface of a ball, but can be used to refer to a ball shaped object, as well as a sphere like or annular region or shell. Additionally, it has several metaphorical uses.In mathematics: * Sphere, the set of… … Wikipedia
Pictish stones — are monumental stelae found in Scotland, mostly north of the Clyde Forth line. These stones are the most visible remaining evidence of the Picts and are thought to date from the 6th to 9th centuries.Purpose and meaningThe purpose and meaning of… … Wikipedia
Rai stones — A large rai stone in the village of Gachpar Historical photo from … Wikipedia
Stone spheres of Costa Rica — Stone sphere in the courtyard of the National Museum of Costa Rica. The stone spheres (or stone balls) of Costa Rica are an assortment of over three hundred petrospheres in Costa Rica, located on the Diquis Delta and on Isla del Caño. Known… … Wikipedia
Stone balls — The terms Stone balls, stone ball , stone spheres , and stone sphere have been used to designate spherical stone objects of both natural and artificial origin. Different types of stone balls include:Natural*Natural Stone Balls **megaspherulites… … Wikipedia
