@article{20100614090845653.hkitagawa,
 author={{D31}},
 title={Hand specimen with quantity 0.26 kg at \nolinkurl{/ISEI/stone storage/Room B/A/A-4/Cameroon 5000/}},
 journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100614090845653.hkitagawa}{DREAM}},
 volume={19},
 pages={20100614090845653.hkitagawa},
 year={2010},
 url={http://dream.misasa.okayama-u.ac.jp/?q=20100614090845653.hkitagawa},
}

<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
  <acquisition>
    <global_id>20190528105900-579018</global_id>
    <name>D31</name>
    <device/>
    <technique>100Mg/(Mg+Fe2+)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description></description>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Mg#</nickname>
        <value>58.9</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528104345-217513</global_id>
    <name>D31</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Fe2O3T</nickname>
        <value>12.2</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Fe2O3</nickname>
        <value>1.45</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>FeO</nickname>
        <value>9.67</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MgO</nickname>
        <value>7.77</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfOr</nickname>
        <value>10.81</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfAb</nickname>
        <value>23.18</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfAn</nickname>
        <value>16.36</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfNe</nickname>
        <value>7.02</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfDiWo</nickname>
        <value>8.02</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfDiEn</nickname>
        <value>4.66</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfDiFs</nickname>
        <value>2.98</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfOlFo</nickname>
        <value>10.3</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfOlFa</nickname>
        <value>7.25</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfMt</nickname>
        <value>2.1</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfIlm</nickname>
        <value>5.2</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfAp</nickname>
        <value>1.92</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528110339-891598</global_id>
    <name>D31</name>
    <device>SIRA Thermo-Fisher MAT253</device>
    <technique>IRMS with LF</technique>
    <operator>Aka</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>d18O</nickname>
        <value>5.4</value>
        <unit>permil</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528112725-229102</global_id>
    <name>D31</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>SiO2</nickname>
        <value>47.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>TiO2</nickname>
        <value>2.74</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Al2O3</nickname>
        <value>15.01</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Fe2O3T</nickname>
        <value>12.2</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MnO</nickname>
        <value>0.18</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MgO</nickname>
        <value>7.77</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>CaO</nickname>
        <value>8.3</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Na2O</nickname>
        <value>4.27</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>K2O</nickname>
        <value>1.83</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>P2O5</nickname>
        <value>0.83</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>LOI</nickname>
        <value>-0.42</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>total</nickname>
        <value>100.5</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cr</nickname>
        <value>208.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ni</nickname>
        <value>148.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528115813-318842</global_id>
    <name>D31</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Makishima and Nakamura (1997, 1999, 2006)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Li</nickname>
        <value>7.83</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Rb</nickname>
        <value>43.3</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sr</nickname>
        <value>890.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Y</nickname>
        <value>29.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cs</nickname>
        <value>0.42</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ba</nickname>
        <value>593.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>La</nickname>
        <value>43.06</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ce</nickname>
        <value>88.75</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pr</nickname>
        <value>10.7</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nd</nickname>
        <value>44.48</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sm</nickname>
        <value>8.86</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Eu</nickname>
        <value>2.92</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Gd</nickname>
        <value>7.65</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tb</nickname>
        <value>1.11</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Dy</nickname>
        <value>5.81</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ho</nickname>
        <value>1.04</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Er</nickname>
        <value>2.47</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tm</nickname>
        <value>0.33</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Yb</nickname>
        <value>2.13</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Lu</nickname>
        <value>0.29</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb</nickname>
        <value>3.49</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528115933-509821</global_id>
    <name>D31</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>B</nickname>
        <value>2.46</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Zr</nickname>
        <value>272.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Hf</nickname>
        <value>5.72</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nb</nickname>
        <value>52.9</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ta</nickname>
        <value>3.41</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528150405-551792</global_id>
    <name>D31</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>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Th</nickname>
        <value>4.99</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U</nickname>
        <value>1.32</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zTh232</nickname>
        <value>0.961</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U238zTh232</nickname>
        <value>0.8</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zU238</nickname>
        <value>1.202</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U234zU238</nickname>
        <value>0.999</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528151237-644715</global_id>
    <name>D31</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>TIMS with total evaporation</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614090845653.hkitagawa</sample_global_id>
    <sample_name>D31</sample_name>
    <description/>
    <place>
      <global_id>20190628115302-843181</global_id>
      <name>Lake Nyos</name>
      <longitude>10.2938055555556</longitude>
      <latitude>6.44527777777778</latitude>
      <elevation/>
      <description> Dam in the northern part; downstream side of the dam</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Ra226</nickname>
        <value>548.0</value>
        <unit>fg/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ra226zTh230</nickname>
        <value>1.026</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
</acquisitions>