RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 15, ES1004, doi:10.2205/2015ES000550, 2015

Table 5. Uranium Concentrations ($10^{-3}$ ppm) in Xenoliths From the Roca Negra Volcano
Sample Rock Opx Bt Amph Ap Whole-rock
sample
RC88-1/5 pyroxenite - - - - 370
RC88-1x pyroxenite 31 10 - - 32
RC88-1/11 pyroxenite 36 61 107 13500 125
RC88-4x gabbro - - - - 160
RC88-1/6 lherzolite - - - - 110

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Citation: Grachev A. F. (2015), Pyroxenite xenoliths in basalts of the Roca Negra volcano, Catalonia, Russ. J. Earth Sci., 15, ES1004, doi:10.2205/2015ES000550.
 

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