Skip to Main Content

Skip Nav Destination

Volcanism and Evolution of the African Lithosphere

GSA Special Papers

Volcanism and Evolution of the African Lithosphere

Author(s)

Geological Society of America

Volume

478

DOI:

https://doi.org/10.1130/SPE478

Copyright:

© 2011 Geological Society of America

Attribution: You must attribute the work in the manner specified by the author or licensor (but no in any way that suggests that they endorse you or your use of the work). Noncommercial - you may not use this work for commercial purpose. No Derivative works - You may not alter, transform, or build upon this work. Sharing - Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.

ISBN print:

9780813724782

Publication date:

June 01, 2011

Book Chapter

Peridotite xenoliths from Ethiopia: Inferences about mantle processes from plume to rift settings

Author(s)

Luigi Beccaluva

Luigi Beccaluva

Dipartimento di Scienze della Terra, Università di Ferrara, Via Saragat 1, 44100 Ferrara, Italy

Search for other works by this author on:

GSW

Google Scholar

;

Gianluca Bianchini

Gianluca Bianchini

Dipartimento di Scienze della Terra, Università di Ferrara, Via Saragat 1, 44100 Ferrara, Italy, and Istituto di Geoscienze e Georisorse (IGG), Consiglio Nazionale delle Ricerche (CNR), Via Moruzzi 1, 56124 Pisa, Italy

Search for other works by this author on:

GSW

Google Scholar

;

Robert M. Ellam

Robert M. Ellam

Scottish Universities Environmental Research Centre (SUERC), Rankine Avenue, Scottish Enterprise Technology Park, East Kilbride G75 0QF, UK

Search for other works by this author on:

GSW

Google Scholar

;

Claudio Natali

Dipartimento di Scienze della Terra, Università di Ferrara, Via Saragat 1, 44100 Ferrara, Italy

Search for other works by this author on:

GSW

Google Scholar

;

Alessandro Santato

Alessandro Santato

Dipartimento di Scienze della Terra, Università di Ferrara, Via Saragat 1, 44100 Ferrara, Italy

Search for other works by this author on:

GSW

Google Scholar

;

Franca Siena

Dipartimento di Scienze della Terra, Università di Ferrara, Via Saragat 1, 44100 Ferrara, Italy

Search for other works by this author on:

GSW

Google Scholar

;

Finlay M. Stuart

Finlay M. Stuart

Scottish Universities Environmental Research Centre (SUERC), Rankine Avenue, Scottish Enterprise Technology Park, East Kilbride G75 0QF, UK

Search for other works by this author on:

GSW

Google Scholar

Doi:

https://doi.org/10.1130/2011.2478(05)

Published:

June 01, 2011

A comprehensive petrological study carried out on Ethiopian mantle xenoliths entrained in Neogene–Quaternary alkaline lavas overlying the continental flood basalt area (Dedessa River–Wollega region, Injibara-Gojam region) and from the southern Main Ethiopian Rift (Mega-Sidamo region) provides an ideal means to investigate mantle evolution from plume to rift settings. Mantle xenoliths from the plateau area (Injibara, Dedessa River) range in composition from spinel lherzolite to harzburgite and olivine websterite, showing pressure-temperature (P-T) equilibrium conditions in the range 1.3–0.9 GPa and 950–1050 °C. These xenoliths show flat chondrite (ch)–normalized bulk-rock rare earth element (REE) patterns, with only few light (L)...

You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

You could not be signed in. Please check your email address / username and password and try again.

Shibboleth Sign In

OpenAthens Sign In

Institutional Sign In