[HTML][HTML] A global review on agpaitic rocks
MAW Marks, G Markl - Earth-Science Reviews, 2017 - Elsevier
Peralkaline igneous rocks are defined by a molar (Na+ K)/Al ratio> 1 and are subdivided into
miaskitic and agpaitic varieties depending on their mineralogy. In the more common …
miaskitic and agpaitic varieties depending on their mineralogy. In the more common …
[HTML][HTML] Integrating geoheritage into the management of protected areas: A case study of the Itatiaia National Park, Brazil
VC Mucivuna, MGM Garcia, E Reynard… - International Journal of …, 2022 - Elsevier
Abstract The International Union for Conservation of Nature (IUCN) has created many
initiatives to integrate geodiversity and geoheritage into the management of protected areas …
initiatives to integrate geodiversity and geoheritage into the management of protected areas …
Automated SEM mineral liberation analysis (MLA) with generically labelled EDX spectra in the mineral processing of rare earth element ores
Many rare earth element (REE) deposits have experienced multistage geological
enrichment processes resulting in REE bearing mineral assemblages of considerable …
enrichment processes resulting in REE bearing mineral assemblages of considerable …
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 …
American platform have been enabled the understanding of melting processes in the Earth's …
Magmatic–hydrothermal zircons in syenite: A record of NbTa mineralization processes in the Emeishan large igneous province, SW China
Z Zeng, Y Liu - Chemical Geology, 2022 - Elsevier
Zircon is a common accessory mineral in igneous rocks and can provide a record of
radiation damage and hydrothermal alteration through changes in oxygen isotopic values …
radiation damage and hydrothermal alteration through changes in oxygen isotopic values …
U–Pb ages, geochemistry, C–O–Nd–Sr–Hf isotopes and petrogenesis of the Catalão II carbonatitic complex (Alto Paranaíba Igneous Province, Brazil): implications for …
The Catalão II carbonatitic complex is part of the Alto Paranaíba Igneous Province (APIP),
central Brazil, close to the Catalão I complex. Drill-hole sampling and detailed mineralogical …
central Brazil, close to the Catalão I complex. Drill-hole sampling and detailed mineralogical …
From olivine nephelinite, basanite and basalt to peralkaline trachyphonolite and comendite in the Ankaratra volcanic complex, Madagascar: 40Ar/39Ar ages, phase …
The Ankaratra volcanic field covers an area of~ 3800 km 2 in central Madagascar and
comprises of lava flows, lava domes, scoria cones, tuff rings and maars emplaced at different …
comprises of lava flows, lava domes, scoria cones, tuff rings and maars emplaced at different …
Mineralogy and geochemistry of a giant agpaitic magma reservoir: The Late Cretaceous Poços de Caldas potassic alkaline complex (SE Brazil)
Abstract The Late Cretaceous (~ 78 Ma) Poços de Caldas massif is the largest alkaline
complex in Brazil and the second in the world by extension (> 800 km 2). It is considered the …
complex in Brazil and the second in the world by extension (> 800 km 2). It is considered the …
The petrogenesis of chemically zoned, phonolitic, Plinian and sub-Plinian eruptions of Somma-Vesuvius, Italy: Role of accessory phase removal, independently filled …
Abstract A mineralogical, major, LA-ICP-MS trace element mineral chemistry and bulk-rock
geochemical study of juvenile samples of the Mercato, Avellino, Pompeii and Pollena …
geochemical study of juvenile samples of the Mercato, Avellino, Pompeii and Pollena …
Do carbonatites and alkaline rocks reflect variable redox conditions in their upper mantle source?
A detailed investigation on seven carbonatites and associated alkaline rock complexes
(Kaiserstuhl, Sokli, Kovdor, Palabora, Oka, Magnet Cove, Jacupiranga), together with a …
(Kaiserstuhl, Sokli, Kovdor, Palabora, Oka, Magnet Cove, Jacupiranga), together with a …