Carbonatite metasomatism, the key to unlocking the carbonatite-phoscorite-ultramafic rock paradox

OV Vasyukova, AE Williams-Jones - Chemical Geology, 2022 - Elsevier
One of the features of carbonatite-phoscorite complexes that has received comparatively
little attention is that many of them are surrounded by large bodies of ultramafic rocks …

[HTML][HTML] Distribution of agromineral resources in space and time–a global geological perspective

P Straaten - Pesquisa Agropecuária Brasileira, 2022 - SciELO Brasil
Agromineral resources are minerals and rocks used to improve soil productivity and health.
These resources can be applied: indirectly, by extracting and concentrating one or more …

Mesozoic to Cenozoic alkaline and tholeiitic magmatism related to West Gondwana break-up and dispersal

ACD Ferreira, RV Conceição, AMP Mizusaki - Gondwana Research, 2022 - Elsevier
For over 50 years, Mesozoic tholeiites, kimberlites and carbonatites from the South
American platform have been enabled the understanding of melting processes in the Earth's …

Карбонатиты и кимберлиты (взаимоотношения, минерагения, прогноз)

АА Фролов, АВ Лапин, АВ Толстов, НН Зинчук… - 2005 - elibrary.ru
Дан сравнительный анализ геологии и минерагении карбонатитов и кимберлитов-
главных производных мантийных щелочно-ультраосновных магм. В первой части …

U–Pb ages, Sr–Nd-isotope geochemistry, and petrogenesis of kimberlites, kamafugites and phlogopite-picrites of the Alto Paranaíba Igneous Province, Brazil

V Guarino, FY Wu, M Lustrino, L Melluso, P Brotzu… - Chemical …, 2013 - Elsevier
The kimberlites, kamafugites and phlogopite-picrites of Alto Paranaíba Igneous Province
(APIP), southern Brazil, span a range between~ 91 and 78 Ma with new in-situ, more tightly …

A synthesis and new perspective on the petrogenesis of kamafugites from West Qinling, China, in a global context

P Guo, Y Niu, X Yu - Journal of Asian Earth Sciences, 2014 - Elsevier
We discuss the overall characteristics of a recently recognized kamafugite province in West
Qinling, China, using field observations and geochemical data. We discuss the petrogenesis …

Origin of carbonatite-related niobium deposits: Insights from pyrochlore geochemistry

F Velásquez-Ruiz, M Reich, S Broom-Fendley… - … et Cosmochimica Acta, 2024 - Elsevier
The carbonatite-related Nb deposits of the Alto Paranaíba Igneous Province (APIP) in
central Brazil, currently account for∼ 92% of the global Nb production. In the APIP …

[HTML][HTML] Recycling process and proto-kimberlite melt metasomatism in the lithosphere-asthenosphere boundary beneath the Amazonian Craton recorded by garnet …

F Gervasoni, T Jalowitzki, MP Rocha, RK Weska… - Geoscience …, 2022 - Elsevier
Here we present new data on the major and trace element compositions of silicate and
oxide minerals from mantle xenoliths brought to the surface by the Carolina kimberlite …

Multi-mineral geochronology of kimberlites, kamafugites and alkaline-carbonatite rocks, SW São Francisco Craton, Brazil: Appraisal of intrusion ages

LB Takenaka, MW Förster, O Alard, WL Griffin… - Gondwana …, 2023 - Elsevier
Kimberlitic, kamafugitic and alkaline-carbonatitic (KKAC) rocks have been proposed to be
directly related to supercontinent cycles. However, the hybrid nature of KKAC magmas …

Water/rock interactions, chemical weathering and erosion, and supergene enrichment in the Tapira and Catalão I alkaline‑carbonatite complexes, Brazil

FT da Conceição, PM Vasconcelos, LH Godoy… - Journal of Geochemical …, 2022 - Elsevier
Alkaline‑carbonatite complexes from the Alto Parnaíba Igneous Province (APIP) host
important supergene concentrations of Nb, REE, P, and Ti. To quantify water/rock interaction …