Graduate Thesis Or Dissertation

 

Elemental analysis of zircon samples from Pacific northwest beaches by INAA Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/1z40kw79v

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  • Fifteen sand samples from beaches along the Pacific North were analyzed for their elemental content by the method of instrumental neutron activation analysis (INAA). A separation technique was employed to separate the zircon (a heavy non-magnetic mineral with a specific gravity of 4.67) from the rest of the sample. This technique worked fairly well for most of the samples. The zircon content of the heavy non-magnetic samples was in the range of 58 95%, except for two northern California beaches which contained appreciable quantities of rutile. The hafnium content of the heavy non-magnetic sample was fairly constant. The rare earth pattern in the heavy non-magnetic samples was similar to that observed in geological samples. At present, the Oregon beaches are not economically minable for zircon.
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