Aluminum in hornblende: an empirical igneous geobarometer.
American Mineralogist
By: J. M. Hammarstrom and E. Zen
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Abstract
Electron-microprobe analyses of hornblendes from five calc-alkaline plutonic complexes representing low- and high-pressure regimes define a tightly clustered linear trend in terms of total Al (AlT) and tetrahedral Al (Aliv) contents. Data collated from the literature on calcic amphiboles from other plutonic complexes and from phase equilibrium experiments using natural rocks or synthetic analogue compositions show a similar AlT-Aliv trend and systematic pressure effects.-J.A.Z.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Aluminum in hornblende: an empirical igneous geobarometer. |
| Series title | American Mineralogist |
| Volume | 71 |
| Issue | 11-12 |
| Year Published | 1986 |
| Language | English |
| Publisher | Mineralogical Society of America |
| Contributing office(s) | Eastern Mineral and Environmental Resources Science Center |
| Description | 17 p. |
| First page | 1297 |
| Last page | 1313 |
| Google Analytic Metrics | Metrics page |