THE ELECTRON MICROSCOPY OF RANCHO LA BREA BONE.
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Biomedical subjects
Publications and source records attributed to R W WYCKOFF.
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Microradiographic studies of fossil reptilian and amphibian teeth reveal an excellently preserved microstructure with little if any apparent mineralization except in the region of obvious fractures. X-ray diffraction has shown that the invading mineral near fractures is hematite, and x-ray spectroscopy has shown that relatively large amounts of yttrium are present.
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