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Crystal Zoning as an Archive for Magma Evolution

Hits: 1067
Year:
2007
Type of Publication:
Article
Authors:
Ginibre, Catherine; Wörner, Gerhard; Kronz, Andreas
Journal:
Elements
Volume:
3
Number:
4
Pages:
261-266
BibTex:
Abstract:
Spatial compositional variations in magmatic minerals record chemical and physical changes in the magma from which they grew. Electron-beam techniques allow high-resolution imaging and quantitative analysis of this compositional archive for major, minor and some trace elements. In this way, magmatic processes such as crystallization, recharge in a magma chamber, decompression during ascent, and convection in the magma chamber can be identified and the history of magmatic systems prior to eruption reconstructed.

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