Allanite behaviour during incipient melting in the southern Central Alps
Gregory, Courtney; Rubatto, Daniela; Hermann, Joerg; Berger, A.; Engi, Martin
Description
The response of allanite to incipient melting was investigated in migmatites from the Tertiary Barrovian-type sequence of the Central Alps (southern Switzerland, northern Italy). Inheritance and new mineral growth were recorded in composite allanite grains sampled from meta-granitoids and leucosomes. Ion microprobe (SHRIMP) dating of high Th/U allanite cores in meta-granitoids yield Permian ages consistent with magmatic crystallisation dating protolith intrusion. In contrast, low Th/U allanite...[Show more]
Collections | ANU Research Publications |
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Date published: | 2012 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/61768 |
Source: | Geochimica et Cosmochimica Acta |
DOI: | 10.1016/j.gca.2012.01.020 |
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01_Gregory_Allanite_behaviour_during_2012.pdf | 3.21 MB | Adobe PDF | Request a copy |
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