Paleoweathering of intrusive carbonatites (4.5 Ma) from Fogo Island, Cape Verde – Mineralogy and geochemistry

R. Marques,M.I. Prudêncio,M.I. Dias,D. Russo,J.G. Marques,F. Ruiz,M. Abad,T. Izquierdo,M.L. González-Regalado,F. Rocha

CATENA（2020）

引用 3|浏览21

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摘要

•New approach on paleoweathering intrusive carbonatites study, Fogo Island, Cape Verde.•Weathered carbonatites in semi-arid climate are calcite rich.•The role of carbonates in the REE distribution/sequestration.•Sc, Zr, Cs, Hf, W and Br are preferably accommodated in the clay-size fraction.•Zn and Cs concentration in <50 µm and <2 µm fractions related with phyllosilicates.

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关键词

Oceanic intrusive carbonatite,Fogo Island,Paleoweathering,Mineralogy and geochemistry,Size fractions,Cape Verde

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