@article{20100614090841770.hkitagawa,
 author={{1922-2}},
 title={Hand specimen with quantity 1.47 kg at \nolinkurl{/ISEI/stone storage/Room B/A/A-4/Cameroon 5000/}},
 journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100614090841770.hkitagawa}{DREAM}},
 volume={19},
 pages={20100614090841770.hkitagawa},
 year={2010},
 url={http://dream.misasa.okayama-u.ac.jp/?q=20100614090841770.hkitagawa},
}

<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
  <acquisition>
    <global_id>20190524113833-706713</global_id>
    <name>1922-2_Mf#</name>
    <device/>
    <technique>100Mg/(Mg+Fe2+)</technique>
    <operator></operator>
    <sample_global_id>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Mg#</nickname>
        <value>62.9</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524113845-839599</global_id>
    <name>1922-2</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>SiO2</nickname>
        <value>43.5</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>TiO2</nickname>
        <value>3.28</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>K2O</nickname>
        <value>1.45</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Al2O3</nickname>
        <value>12.3</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Na2O</nickname>
        <value>3.34</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MnO</nickname>
        <value>0.21</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MgO</nickname>
        <value>10.03</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>CaO</nickname>
        <value>11.71</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>P2O5</nickname>
        <value>0.81</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>LOI</nickname>
        <value>-0.62</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>625.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>NiO</nickname>
        <value>216.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190522153239-318368</global_id>
    <name>1922-2_Fe2O3</name>
    <device/>
    <technique>calculation from Fe2O3 total</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Fe2O3</nickname>
        <value>13.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524122321-729442</global_id>
    <name>1922-2</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description/>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>B</nickname>
        <value>1.69</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Zr</nickname>
        <value>355.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Hf</nickname>
        <value>7.76</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nb</nickname>
        <value>91.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ta</nickname>
        <value>5.98</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524122244-747610</global_id>
    <name>1922-2</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>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Li</nickname>
        <value>6.47</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Rb</nickname>
        <value>39.9</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sr</nickname>
        <value>1125.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Y</nickname>
        <value>35.4</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cs</nickname>
        <value>0.46</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ba</nickname>
        <value>485.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>La</nickname>
        <value>80.2</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ce</nickname>
        <value>166.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pr</nickname>
        <value>19.4</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nd</nickname>
        <value>75.3</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sm</nickname>
        <value>12.6</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Eu</nickname>
        <value>3.83</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Gd</nickname>
        <value>10.3</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tb</nickname>
        <value>1.39</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Dy</nickname>
        <value>6.93</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ho</nickname>
        <value>1.26</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>0.404</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Yb</nickname>
        <value>2.51</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Lu</nickname>
        <value>0.336</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb</nickname>
        <value>3.89</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144102-847947</global_id>
    <name>1922-2_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>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Nd143zNd144</nickname>
        <value>0.512781</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144406-093344</global_id>
    <name>1922-2</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>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description/>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Sr87zSr86</nickname>
        <value>0.703307</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144309-288695</global_id>
    <name>1922-2_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>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description></description>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW 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>15.656</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb208zPb204</nickname>
        <value>40.183</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524153541-635087</global_id>
    <name>1922-2</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>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description/>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Th</nickname>
        <value>8.153</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U</nickname>
        <value>2.242</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zTh232</nickname>
        <value>0.988</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U238zTh232</nickname>
        <value>0.834</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zU238</nickname>
        <value>1.184</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U234zU238</nickname>
        <value>1.002</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524155211-606701</global_id>
    <name>1922-2</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>TIMS with total evaporation</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090841770.hkitagawa</sample_global_id>
    <sample_name>1922-2</sample_name>
    <description/>
    <place>
      <global_id>20190626115237-262244</global_id>
      <name>locality of 1922-2</name>
      <longitude>9.03333333333333</longitude>
      <latitude>4.15</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1922 eruption, WSW flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Ra226</nickname>
        <value>976.0</value>
        <unit>fg/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ra226zTh230</nickname>
        <value>1.089</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
</acquisitions>