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The geology of Ascension Island is the geologically young, exposed part of a large volcano, 80 kilometers west of the Mid-Atlantic Ridge. The island formed within the last six to seven million years and is primarily mafic rock with some felsic rock.
The obsidian mirror may also appear on his chest, as a breastplate, and often is shown emanating smoke — a literal representation of his name and role. In the majority of representations, Tezcatlipoca bears the mirror in one hand, where it is surrounded by feathers of various colors.
The source of obsidian for cultures inhabiting the territory of and around Greece was the island of Milos; the Starčevo–Körös–Criș culture obtained obsidian from sources in Hungary and Slovakia, while the Cardium-Impresso cultural complex acquired obsidian from the island outcrops of the central Mediterranean.
The Fortunate Isles or Isles of the Blessed [1] [2] (Ancient Greek: μακάρων νῆσοι, makarōn nēsoi) [3] were semi-legendary islands in the Atlantic Ocean, variously treated as a simple geographical location and as a winterless earthly paradise inhabited by the heroes of Greek mythology.
Obsidian projectile point.. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre-Columbian Mesoamerica.Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy.
The Red Hills are also known collectively as Red Island; [12] Red Island and Mullet Island were both islands in 2005. [13] As of 2018, Mullet Island is a peninsula. [12] The other domes have also been islands at times, [14] and waves have cut erosional terraces along the former shorelines. [15] The Salton Buttes are lava domes.
Mono Paiutes gathered obsidian from the Mono–Inyo Craters to make sharp tools and arrow points. [38] Unworked obsidian was carried by the Mono Paiutes over passes in the Sierra Nevada to trade with other Native American groups. Chips of Mono–Inyo obsidian can still be found at many ancient mountain campsites. [39]
Located on an island in a coastal swamp overlooking a former river, the Río Palma, or Río Barí, [3] La Venta probably controlled a region between the Mezcalapa and Coatzacoalcos rivers. The site itself is about 16 kilometres (9.9 miles) inland at an elevation of less than 10 meters above sea level with the island consisting of slightly more ...