Dymek, R. F. and Albee, A. L. (1977) Titanium and Aluminum in Biotite From High-Grade Archaean Gneisses, Langø, West Greenland. Transactions - American Geophysical Union, 58 (6). p. 525. ISSN 0002-8606. doi:10.1029/EO058i006p00366. https://resolver.caltech.edu/CaltechAUTHORS:20130806-152922789
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Abstract
Biotite grains from a variety of gneiss types were analyzed by electron microprobe techniques for Na, Mg, Al, Si, K, Ca, Ti, Mn, Fe, Zn, F & Cl. TiO_2- and Al_2O_3-contents range continuously from < 0.1 to 6.0 and 13.9 to 20.6 wt % respectively. Most occur with ilmenite, but a few coexist with rutile. Biotite in pyribolite contains the least Al, and that in Kfeld-sill gneiss contains the most, suggesting that Al-content of biotite is related to the bulk composition of the host rock. For a given rock type, Ti in biotite tends to decrease as Mg/Fe and Al increase.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1977 American Geophysical Union. | |||||||||
| Issue or Number: | 6 | |||||||||
| DOI: | 10.1029/EO058i006p00366 | |||||||||
| Record Number: | CaltechAUTHORS:20130806-152922789 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130806-152922789 | |||||||||
| Official Citation: | Anonymous (1977), Abstracts [Spring Meeting, 1977], Eos Trans. AGU, 58(6), 366–549, doi:10.1029/EO058i006p00366 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 39794 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 09 Aug 2013 16:51 | |||||||||
| Last Modified: | 09 Nov 2021 23:47 |
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