Meteorite Phosphates Show Constant 176Lu Decay Rate Since 4557 Million Years Ago
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Description
The use of radioactive decay of 176Lu to 176Hf to study the evolution of the Earth requires a precise and accurate value for the 176Lu decay constant. Recent determinations of this decay constant by age comparison to the more precisely calibrated U-Pb isotopic system produced internally consistent but discrepant values between terrestrial minerals and meteorites. New highly radiogenic Lu-Hf data for phosphate minerals from Richardton (ordinary chondrite) and Acapulco (primitive achondrite)...[Show more]
Collections | ANU Research Publications |
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Date published: | 2005 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/36654 |
Source: | Science |
DOI: | 10.1126/science.1117919 |
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File | Description | Size | Format | Image |
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01_Amelin_Meteorite_Phosphates_Show_2005.pdf | 416.32 kB | Adobe PDF | Request a copy |
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