Alkaline magmatism in the Ponta Grossa Arch, SE Brazil: a review

CB Gomes, E Ruberti, P Comin-Chiaramonti… - Journal of South …, 2011 - Elsevier
The southern side of the Ponta Grossa Arch (PGA), a prominent NW-SE-trending tectonic
feature extending over 600 km, was the site of important alkaline and alkaline-carbonatitic …

The Paraná-Etendeka Continental Flood Basalt Province: a historical perspective of current knowledge and future research trends

E Cañón-Tapia - Journal of Volcanology and Geothermal Research, 2018 - Elsevier
The development of ideas concerning Continental Flood Basalt Provinces is not new, and
many studies were completed on specific provinces before the advent of plate tectonics. The …

Sr–Nd–Pb isotopic constraints on the nature of the mantle sources involved in the genesis of the high-Ti tholeiites from northern Paraná Continental Flood Basalts …

ERV Rocha-Júnior, LS Marques, M Babinski… - Journal of South …, 2013 - Elsevier
There has been little research on geochemistry and isotopic compositions in tholeiites of the
Northern region from the Paraná Continental Flood Basalts (PCFB), one of the largest …

Origin of Cretaceous alkaline annular structures in the peri-cratonic terranes of the Reguibat Rise in Morocco: New constraints from carbonatite–silicate pairs and …

CE Malainine, M Ouabid, O Raji, JL Bodinier, F Parat… - Chemical …, 2023 - Elsevier
We report an integrated field, petrographic, and geochemical study of three major
Cretaceous carbonatite annular occurrences from the Oulad Dlim massif (Adrar Souttouf …

Bulk composition and O–C isotope constraints on the petrogenesis of Richat carbonatites (Mauritania)

ME Sedigh, H Ouali, M Jébrak, A Mokhtari - Journal of African Earth …, 2024 - Elsevier
Abstract In the northwestern Mauritanian Taoudeni Basin, the famous Richat structure is the
only occurrence known of carbonatite. Despite several studies on this unique geological …

Niobium and rare earth minerals from the Virulundo carbonatite, Namibe, Angola

L Torró, C Villanova, M Castillo, M Campeny… - Mineralogical …, 2012 - cambridge.org
The Virulundo carbonatite in Angola is one of the largest in the world and contains
pyrochlore as an accessory mineral in all of the carbonatite units (calciocarbonatites …

Some Notes on the Lugiin Gol, Mushgai Khudag and Bayan Khoshuu Alkaline Complexes, Southern Mongolia

M Baatar, G Ochir, J Kynicky, S Iizumi… - International Journal of …, 2013 - scirp.org
Volcanic-plutonic alkaline complexes from Lugiin Gol, Mushgai Khudag and Bayan
Khoshuu, southern Mongolia (244, 139 and 131 Ma, respectively) occur within grabens in …

Diversity and origin of quartz cements in continental carbonates: Example from the Lower Cretaceous rift deposits of the South Atlantic margin

PA Teboul, C Durlet, JP Girard, L Dubois… - Applied …, 2019 - Elsevier
Silica precipitation in continental carbonates is a common process occurring during
sedimentation and diagenesis. The Lower Cretaceous rift deposits of the South Atlantic …

The behavior of rare-earth elements, Zr and Hf during biologically-mediated deposition of silica-stromatolites and carbonate-rich microbial mats

P Censi, M Cangemi, L Brusca, P Madonia, F Saiano… - Gondwana …, 2015 - Elsevier
Abstract Venere Lake, in the Pantelleria Island thermal system (Central Mediterranean Sea)
consists of a mix of seawater and hydrothermal volcanic fluids containing high levels of …

Insights into the petrogenesis of low-and high-Ti basalts: Stratigraphy and geochemistry of four lava sequences from the central Paraná basin

A De Min, S Callegaro, A Marzoli, AJ Nardy… - Journal of Volcanology …, 2018 - Elsevier
Lava flow sequences were sampled in the central part of the Paraná basin aiming to verify
the time-related evolution of the Paraná basaltic magmatism. It is shown that low-and high-Ti …