Abstract
Twenty years of high precision bulk geochemical analyses, while broadening our overall understanding as to the role of contributing components, has failed to provide a complete model for magma genesis at convergent margins. In particular, magma chamber processes have yet to be fully understood and quantified. Using Chaos Crags in the Lassen Volcanic National Park as an example, we propose to achieve a quantitative understanding of the mingling process, its effects on bulk chemistry, and its overall importance to the sustained evolution of the southernmost volcanic edifice of the Cascade Range. Chaos Crags is composed of at least two coexisting magmatic components now represented as mafic inclusions (the mafic component) in a silicic host (the differentiated componen O. The presence of host crystals in the inclusions and the coexistence of fresh and resorbed phenocryst phases indicates that phenocryst populations have been exchanged between inclusion-forming and
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
