Insights into mantle melting from graphical analysis of one-component systems

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ID: 296762
2007
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Abstract
Decompression melting can be approximated as an isentropic (that is, reversible adiabatic) process. In such a process, specific entropy (S) and pressure (P) are the independent variables and equilibrium is achieved when the specific enthalpy (H) of the system reaches a minimum. We present a largely graphical analysis of decompression melting in one-component systems based on phase equilibria in H-P-S space. Although mantle sources contain more than one component, use of one-component model systems provides insights into several aspects of mantle melting that can be generalized to more complete and complex systems (for example, batch vs. fractional fusion; the influence of pressure-dependent solid-solid reactions on melting; melting of multilithologic mixtures such as peridotite plus eclogite; advection of heat and melting by rising magmas) and places these insights into the visualizable framework of simple phase diagrams.
Reference Key
openalex_W2109622426 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Edward M. Stolper, Paul D. Asimow
Journal american journal of science
Year 2007
DOI
10.2475/08.2007.01
URL
https://ajs.scholasticahq.com/article/65867.pdf
Keywords Keywords not found

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