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哥斯达黎加Ｔｏｒｔｕｇａｌ８９Ｍａ科马提岩岩套：暗示着加勒比和东太平洋地区形成于一个地幔柱这同一地质成因ＧｕｉｌｅｒｍｏＥ．Ａｌｖａｒａｄｏ等科马提岩原用于描述太古代超镁铁质火山岩。唯一一个证实科马提拉班玄武岩序列的显生宙标本出现在哥伦比亚乔治那岛（...
Costa Rica Tortugal89Ma Mati rock casing: implies GuilermoE, the same geological formation formed in a mantle plume between the Caribbean and the Eastern Pacific. Almarado and other kamati rocks used to describe Archean ultramafic volcanic rocks. The only confirmed Phanerozoic specimen of the Kematiraban basaltic sequence was found in Georges Island, Colombia (...