V51A:
Alkaline Magmatism, Carbonatites, and Associated Mineralization I Posters

Submit an Abstract to this Session



Session ID#: 26619

Session Description:
Alkaline rocks and carbonatites host some of the world’s richest resources of critical metals (e.g. REE, HFSE, P) and are the products of highly fractionated and/or low degree partial melts. The rarity of active igneous systems has largely limited studies to exhumed fossil intrusions and experimental analogues. However, recent advances in analytical techniques and igneous petrology, combined with increased access to samples through collaborations with industry have led to significant improvement of our understanding of their petrogenesis.

This session offers a platform to discuss these new findings and invites contributions from field, experimental and numerical modelling studies that explore the origin, geodynamic setting, igneous and hydrothermal evolution of carbonatites, alkaline magmatic systems and their associated rare metal mineralisations. Studies addressing the effects of mineral saturation, T, P, X, volatiles, fO2, element partitioning, and associated implications for mineralisation and crustal architecture are particularly encouraged.

Primary Convener:  Charles D Beard, McGill University, Earth & Planetary Sciences, Montreal, QC, Canada
Conveners:  Alison Cottrell, University of Regina, Department of Geology, Regina, SK, Canada and Anna Balashova, ETH Swiss Federal Institute of Technology Zurich, Department of Earth Sciences, Zurich, Switzerland
Chairs:  Charles D Beard, McGill University, Earth & Planetary Sciences, Montreal, QC, Canada and Prof. David Lentz, PhD, University of New Brunswick, Dept of Earth Science, Fredericton, NB, Canada
OSPA Liaison:  Prof. David Lentz, PhD, University of New Brunswick, Dept of Earth Science, Fredericton, NB, Canada
Index Terms:

3618 Magma chamber processes [MINERALOGY AND PETROLOGY]
3619 Magma genesis and partial melting [MINERALOGY AND PETROLOGY]
3630 Experimental mineralogy and petrology [MINERALOGY AND PETROLOGY]
3665 Mineral occurrences and deposits [MINERALOGY AND PETROLOGY]

Abstracts Submitted to this Session:

The Generation and Evolution of Potassic Igneous Rocks Before Closure of the Paleotethys Ocean, East Pamir, Western China (233104)
Kara Noel Watson and Daniel B Imrecke, University of Houston Clear Lake, Houston, TX, United States
Temperatures and Melt Water Contents at the Onset of Phenocryst Growth in Quaternary Nepheline-Normative Basalts Erupted along the Tepic-Zacoalco Rift in Western Mexico (244291)
Juliana Mesa, University of Michigan, Ann Arbor, MI, United States, Rebecca Ann Lange, University of Michigan, Department of Earth and Environmental Sciences, Ann Arbor, United States and Xiaofei Pu, University of Michigan, Department of Earth and Environmental Sciences, Ann Arbor, MI, United States
REE enrichment due to fenitization of Devonian granites, Rodeo de Los Molles, Central Argentina (275833)
Melanie Lorenz1, Uwe Altenberger1, Robert Bruce Trumbull2, Raúl Lira3, Monica G Lopez De Luchi4 and Nicolas Viñas5, (1)University of Potsdam, Potsdam, Germany, (2)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)University of Cordoba, Cordoba, Argentina, (4)INGEIS, Buenos Aires, Argentina, (5)Michelotti and Sons, Cordoba, Argentina

See more of: Volcanology, Geochemistry and Petrology