Abstract
Research Article| April 01, 2006 Melt segregation structures in granitic plutons Roberto F. Weinberg Roberto F. Weinberg 1School of Geosciences, Monash University, Clayton, VIC 3800, Australia Search for other works by this author on: GSW Google Scholar Geology (2006) 34 (4): 305–308. https://doi.org/10.1130/G22406.1 Article history received: 06 Nov 2005 rev-recd: 14 Dec 2005 accepted: 16 Dec 2005 first online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share MailTo Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation Roberto F. Weinberg; Melt segregation structures in granitic plutons. Geology 2006;; 34 (4): 305–308. doi: https://doi.org/10.1130/G22406.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract When melt fraction increases beyond a critical value, migmatites behave as magmas. Conversely, when melt fraction decreases, crystallizing magmas form solid-framework mushes and behave as solids. The richness in preserved mesoscopic melt segregation structures in migmatites is not matched by melt segregation structures in granitic bodies. This paper identifies melt segregation structures in granites and compares them to structures in migmatites. The rarity of segregation structures in granites is a consequence of the solid-framework mush allowing for cryptic melt extraction from its pores, the relatively short duration of solidification of the mush, and the fragile nature of the solid framework. Identifying segregation features in granitoids at outcrop scale provides the basis for understanding the physical processes that lead to chemical and mineralogical differentiation in granitic magmas. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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