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Large-scale, short-lived metamorphism, deformation, and magmatism in the Chugach metamorphic complex, southern Alaska: A SHRIMP U-Pb study of zircons

Date

Authors

Gasser, Deta

Rubatto, Daniela

Bruand, Emilie

Stuwe, K

Publisher

Association of Engineering Geologists

Abstract

We present sensitive high-resolution ion microprobe (SHRIMP) U-Pb geochronology and trace-element chemistry of zircons from the Chugach metamorphic complex, southern Alaska, which allow us to precisely constrain the age and duration of peak metamorphism.

Keywords

Keywords: Magmatic rock; Magmatisms; Plutons; Region of interest; Ridge subduction; Sensitive high-resolution ion microprobe; Tectonic models; Time span; Time windows; U-Pb ages; U-Pb geochronology; U-Pb zircon ages; Shellfish; Silicate minerals; Structural geology

URI

http://hdl.handle.net/1885/63120

Collections

ANU Research Publications

Source

Geological Society of America Bulletin

Type

Journal article

DOI

10.1130/B30507.1

Restricted until

2037-12-31

Downloads

File

Description

01_Gasser_Large-scale,_short-lived_2012.pdf (2.8 MB)

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