Document Type
Article
Publication Date
7-10-2019
Publication Title
Journal of Volcanology and Geothermal Research
Volume
384
First page number:
74
Last page number:
84
Abstract
The magmatic components of continental Large Igneous Provinces (LIPs) include flood basalts and their plumbing system of giant mafic dyke swarms (radiating, linear, and the recently discovered circumferential type), mafic sill provinces, a lower crustal magmatic underplate, mafic-ultramafic (M–UM) intrusions, associated silicic magmatism, and associated carbonatites and kimberlites. This paper proposes a new plumbing system framework for mantle plume-related continental LIPs that incorporates all of these components, and provides a context for addressing key thematic aspects such as tracking magma batches “upstream” and “downstream” and their geochemical evolution, assessing the setting of M-UM intrusions and their economic potential, interpreting deep magmatic component identified by geophysical signatures, and estimating magnitudes of extrusive and intrusive components with climate change implications. This plumbing system model, and its associated implications, needs to be tested against the rapidly improving LIP record.
Disciplines
Earth Sciences | Geochemistry
File Format
File Size
1070 KB
Language
English
Rights
IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Repository Citation
Ernst, R. E.,
Liikane, D. A.,
Jowitt, S. M.,
Buchan, K. L.,
Blanchard, J. A.
(2019).
A New Plumbing System Framework for Mantle Plume-Related Continental Large Igneous Provinces and Their Mafic-Ultramafic Intrusions.
Journal of Volcanology and Geothermal Research, 384
74-84.
http://dx.doi.org/10.1016/j.jvolgeores.2019.07.007