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Measuring timescales of magmatic evolution.

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Measuring timescales of magmatic evolution.

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dc.contributor.author Turner, Simon.
dc.contributor.author Costa, Fidel.
dc.date.accessioned 2012-10-08T05:50:53Z
dc.date.available 2012-10-08T05:50:53Z
dc.date.copyright 2007
dc.date.issued 2012-10-08
dc.identifier.citation Turner, S., & Costa, F. (2007). Measuring timescales of magmatic evolution. Elements, 3(4), 267-272.
dc.identifier.issn 1811-5209
dc.identifier.uri http://hdl.handle.net/10220/8719
dc.description.abstract Advances in analytical methods have provided new insights into the timescales of magmatic processes. Data on the abundances of U-series isotopes in bulk rocks and crystal separates indicate magma differentiation over thousands of years. Residence and differentiation times of silicic magmas based on single-crystal, in situ age data vary from 10,000 to 100,000 years, with abundant evidence for crystal recycling from previous intrusive episodes. Chemical zoning patterns in single crystals indicate that processes such as mixing and mingling of magmas and crustal assimilation may occur over much shorter timescales of months to decades. Quantifying the rates of magma generation, emplacement and differentiation constrains the processes involved and may contribute to the evaluation of volcanic hazards.
dc.language.iso en
dc.relation.ispartofseries Elements
dc.rights © 2007 Mineralogical Society of America.
dc.subject DRNTU::Science::Mathematics.
dc.title Measuring timescales of magmatic evolution.
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.doi http://dx.doi.org/10.2113/gselements.3.4.267

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