The Geology of the Houser Canyon Pegmatite with an X-Ray Analysis of Monazite
<p>A large granitic pegmatite near Campo, in southern San Diego County was found to contain several radioactive biotite-rich inclusions. The pegmatite is irregularly zoned, and in general comprises a well defined graphic granite border zone, an irregular wall zone of intergrown quartz and pert...
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https://thesis.library.caltech.edu/5595/1/Foote_rs_1951.pdfhttps://thesis.library.caltech.edu/5595/2/Foote_rs_1951_plate.PDF
Foote, Royal Stuart (1951) The Geology of the Houser Canyon Pegmatite with an X-Ray Analysis of Monazite. Master's thesis, California Institute of Technology. doi:10.7907/R3W3-M749. https://resolver.caltech.edu/CaltechTHESIS:03122010-084454404 <https://resolver.caltech.edu/CaltechTHESIS:03122010-084454404>