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A fresh look at prospectivity of the Equatorial Conjugate Margin of Brazil and Africa

机译：重新审视巴西和非洲赤道共轭裕度的前景

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摘要

The geographical extent of the Equatorial Conjugate Margin province includes the offshore basins of Sierra Leone, Liberia, Cote d'Ivoire, Ghana, Togo and Benin, and western Nigeria on the African margin, and the offshore basins of Guyana, Suriname, French Guiana, and northern Brazil on the South American margin (Figure 1). These east-west aligned basins were initiated during the rifting between the African and South American plates which began in the Neocomian, and are characterized by similar structural and sedimentary features. These common characteristics are due to their common origin as transtensional rifting and wrench faulting was superimposed upon an older Paleozoic basin during the breakup of the African and American palaeocontinents (Brownfield and Charpentier, 2006). The sedimentary fill of the conjugate basins is divided into stages of basin development: pre-transform, syn-transform, and post-transform (Brownfield and Charpentier, 2006).
机译：赤道共轭边际省的地理范围包括塞拉利昂，利比里亚，科特迪瓦，加纳，多哥和贝宁的近海盆地，以及非洲边缘的尼日利亚西部，以及圭亚那，苏里南，法属圭亚那的近海盆地，巴西南部和巴西北部位于南美边缘（图1）。这些东西向对齐的盆地始于非洲和南美板块之间的裂谷，始于新科摩亚，并具有相似的结构和沉积特征。这些共同的特征是由于它们的共同起源，因为在非洲和美洲古大陆的分裂过程中，张裂裂谷和扳手断裂作用叠加在一个较老的古生代盆地上（Brownfield and Charpentier，2006）。共轭盆地的沉积物充填分为盆地发展的各个阶段：转化前，同相和后转化（Brownfield and Charpentier，2006）。

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