@article{20100614090831125.hkitagawa,
 author={{1999-2}},
 title={Hand specimen with quantity 1.065 kg at \nolinkurl{/ISEI/main/127/C/6/Cameroon 5002/}},
 journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100614090831125.hkitagawa}{DREAM}},
 volume={19},
 pages={20100614090831125.hkitagawa},
 year={2010},
 url={http://dream.misasa.okayama-u.ac.jp/?q=20100614090831125.hkitagawa},
}

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<acquisitions>
  <acquisition>
    <global_id>20190522153222-813090</global_id>
    <name>1999-2</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description/>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>SiO2</nickname>
        <value>45.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>TiO2</nickname>
        <value>3.24</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Al2O3</nickname>
        <value>15.4</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MnO</nickname>
        <value>0.2</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MgO</nickname>
        <value>6.34</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Na2O</nickname>
        <value>4.05</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>K2O</nickname>
        <value>1.62</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>P2O5</nickname>
        <value>0.72</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>LOI</nickname>
        <value>-0.56</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>total</nickname>
        <value>99.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cr2O3</nickname>
        <value>206.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>NiO</nickname>
        <value>100.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>CaO</nickname>
        <value>10.59</value>
        <unit>%</unit>
        <uncertainty/>
        <label></label>
        <info></info>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190522153239-427651</global_id>
    <name>1999-2_Fe2O3</name>
    <device/>
    <technique>calculation from Fe2O3 total</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Fe2O3</nickname>
        <value>12.4</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524120623-173683</global_id>
    <name>1999-2_Mg#</name>
    <device/>
    <technique>100Mg/(Mg+Fe2+)</technique>
    <operator></operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Mg#</nickname>
        <value>54.3</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524122324-583953</global_id>
    <name>1999-2</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description/>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>B</nickname>
        <value>2.65</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Zr</nickname>
        <value>370.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Hf</nickname>
        <value>7.62</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nb</nickname>
        <value>102.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ta</nickname>
        <value>5.54</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524122300-807575</global_id>
    <name>1999-2</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Makishima and Nakamura (1997, 1999, 2006)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Li</nickname>
        <value>6.8</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Rb</nickname>
        <value>39.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sr</nickname>
        <value>1087.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Y</nickname>
        <value>34.9</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cs</nickname>
        <value>0.458</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ba</nickname>
        <value>477.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>La</nickname>
        <value>74.5</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ce</nickname>
        <value>150.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pr</nickname>
        <value>17.1</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nd</nickname>
        <value>67.8</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sm</nickname>
        <value>11.6</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Eu</nickname>
        <value>3.46</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Gd</nickname>
        <value>9.39</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tb</nickname>
        <value>1.31</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Dy</nickname>
        <value>6.79</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ho</nickname>
        <value>1.24</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Er</nickname>
        <value>2.85</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tm</nickname>
        <value>0.4</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Yb</nickname>
        <value>2.57</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Lu</nickname>
        <value>0.338</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb</nickname>
        <value>3.78</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144103-490215</global_id>
    <name>1999-2_Nd</name>
    <device>TIMS Finnigan MAT261, MAT262 and Triton TI</device>
    <technique>Nd isotopes_procedures of Nakamura et al. (1991, 2003)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Nd143zNd144</nickname>
        <value>0.512805</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144407-572497</global_id>
    <name>1999-2</name>
    <device>TIMS Finnigan MAT261, MAT262 and Triton TI</device>
    <technique>Sr isotopes_procedures of Yoshikawa and Nakamura (1993)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description/>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Sr87zSr86</nickname>
        <value>0.703203</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144311-040999</global_id>
    <name>1999-2_Pb</name>
    <device>TIMS Finnigan MAT261, MAT262 and Triton TI</device>
    <technique>Pb isotopes_procedures of Kuritani and Nakamura (2002, 2003)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Pb206zPb204</nickname>
        <value>20.404</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb207zPb204</nickname>
        <value>15.66</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb208zPb204</nickname>
        <value>40.186</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524153544-865657</global_id>
    <name>1999-2</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>U-Series_procedures of Yokoyama et al. (1999, 2001, 2003)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description/>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Th</nickname>
        <value>7.931</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U</nickname>
        <value>2.144</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zTh232</nickname>
        <value>0.992</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U238zTh232</nickname>
        <value>0.82</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zU238</nickname>
        <value>1.209</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U234zU238</nickname>
        <value>1.0</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524155212-926489</global_id>
    <name>1999-2</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>TIMS with total evaporation</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090831125.hkitagawa</sample_global_id>
    <sample_name>1999-2</sample_name>
    <description/>
    <place>
      <global_id>20190626142006-417259</global_id>
      <name>locality of 1999-2</name>
      <longitude>9.07777777777778</longitude>
      <latitude>4.09166666666667</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1999 eruption,  SW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Ra226</nickname>
        <value>1022.0</value>
        <unit>fg/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ra226zTh230</nickname>
        <value>1.168</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
</acquisitions>