Zircon U–Pb and Hf – isotopes from the eastern part of the Sveconorwegian Orogen, SW Sweden: implications for the growth of Fennoscandia

Andreas Petersson; Anders Scherstén; Jenny Andersson; Charlotte Möller

doi:10.1144/SP389.2

Skip Nav Destination

Geological Society, London, Special Publications

Continent Formation Through Time

Author(s)

Geological Society of London

Volume

389

DOI:

https://doi.org/10.1144/SP389

Gold Open Access: This article is published under the terms of the CC-BY 3.0 license.

ISBN electronic:

9781862396654

ISBN print:

9781862393752

Publication date:

January 01, 2015

The continental crust is our archive of Earth history, and the store of many natural resources; however, many key questions about its formation and evolution remain debated and unresolved:

What processes are involved in the formation, differentiation and evolution of continental crust, and how have these changed throughout Earth history?
How are plate tectonics, the supercontinent cycle and mantle cooling linked with crustal evolution?
What are the rates of generation and destruction of the continental crust through time?
How representative is the preserved geological record?

A range of approaches are used to address these questions, including field-based studies, petrology and geochemistry, geophysical methods, palaeomagnetism, whole-rock and accessory-phase isotope chemistry and geochronology. Case studies range from the Eoarchaean to Phanerozoic, and cover many different cratons and orogenic belts from across the continents.

Zircon U–Pb and Hf – isotopes from the eastern part of the Sveconorwegian Orogen, SW Sweden: implications for the growth of Fennoscandia

Author(s)

Andreas Petersson

Department of Geology, Lund University, Sölvegatan 12, SE-223 62 Lund, Sweden

Search for other works by this author on:

GSW

Google Scholar

;

Anders Scherstén

Department of Geology, Lund University, Sölvegatan 12, SE-223 62 Lund, Sweden

Search for other works by this author on:

GSW

Google Scholar

;

Jenny Andersson

Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden

Search for other works by this author on:

GSW

Google Scholar

;

Charlotte Möller

Department of Geology, Lund University, Sölvegatan 12, SE-223 62 Lund, Sweden

Search for other works by this author on:

GSW

Google Scholar

Doi:

https://doi.org/10.1144/SP389.2

Published:

January 01, 2015

Abstract

Current models for the growth of Fennoscandia, including the eastern part of the Sveconorwegian Province, are largely based on U–Pb data and do not discriminate between juvenile and reworked crust. Here we present new combined U–Pb and Hf isotopic data, from the Eastern Segment and the Idefjorden terrane of the Sveconorwegian Province, and suggest a revised model of crustal growth. Most of the crystalline basement in this part of the shield formed by mixing of a 2.1–1.9 Ga juvenile component and Archaean crust. Archaean reworking decreases between 1.9 and 1.7 Ga and a mixed Svecofennian crustal reservoir is generated....

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

Continent Formation Through Time

Zircon U–Pb and Hf – isotopes from the eastern part of the Sveconorwegian Orogen, SW Sweden: implications for the growth of Fennoscandia

Abstract

Citing Books via

This Feature Is Available To Subscribers Only