Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4717600 | Lithos | 2008 | 17 Pages |
Abstract
The Oroscocha Quaternary volcano, in the Inner Arc Domain of the Andean Cordillera (southern Peru), emitted peraluminous rhyolites and trachydacites that entrained decimetric to millimetric lamprophyric blobs. These latter show kersantite modal compositions (equal proportion of groundmass plagioclase and K-feldspar) and potassic bulk-rock compositions (1
Related Topics
Physical Sciences and Engineering
Earth and Planetary Sciences
Geochemistry and Petrology
Authors
Gabriel Carlier, Jean-Pierre Lorand,