@article{20100310094405204.ttsujimori,
 author={{BS14}},
 title={Hand specimen with quantity 0.445 kg at \nolinkurl{/ISEI/stone storage/Room B/A/A-4/Cameroon 5003/}},
 journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100310094405204.ttsujimori}{DREAM}},
 volume={19},
 pages={20100310094405204.ttsujimori},
 year={2010},
 url={http://dream.misasa.okayama-u.ac.jp/?q=20100310094405204.ttsujimori},
}

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    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
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      <name>Lake Nyos</name>
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      <analysis>
        <nickname>Fe2O3T</nickname>
        <value>12.1</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Fe2O3</nickname>
        <value>1.44</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>FeO</nickname>
        <value>9.59</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>MgO</nickname>
        <value>8.2</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfOr</nickname>
        <value>11.11</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>modeOfAb</nickname>
        <value>19.26</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfAn</nickname>
        <value>17.63</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfNe</nickname>
        <value>6.85</value>
        <unit>%</unit>
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        <nickname>modeOfDiWo</nickname>
        <value>8.48</value>
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        <label/>
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      <analysis>
        <nickname>modeOfDiEn</nickname>
        <value>5.04</value>
        <unit>%</unit>
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        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfDiFs</nickname>
        <value>3.0</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfOlFo</nickname>
        <value>10.78</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfOlFa</nickname>
        <value>7.06</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfMt</nickname>
        <value>2.09</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
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      <analysis>
        <nickname>modeOfIlm</nickname>
        <value>5.32</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>modeOfAp</nickname>
        <value>1.85</value>
        <unit>%</unit>
        <uncertainty/>
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        <info/>
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  <acquisition>
    <global_id>20190528150405-059539</global_id>
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    <operator>Yokoyama</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
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    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Th</nickname>
        <value>4.56</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>U</nickname>
        <value>1.32</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>Th230zTh232</nickname>
        <value>1.015</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>U238zTh232</nickname>
        <value>0.88</value>
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        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>Th230zU238</nickname>
        <value>1.155</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>U234zU238</nickname>
        <value>0.999</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
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  <acquisition>
    <global_id>20190528110339-964055</global_id>
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    <device>SIRA Thermo-Fisher MAT253</device>
    <technique>IRMS with LF</technique>
    <operator>Aka</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
    <description/>
    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>d18O</nickname>
        <value>5.3</value>
        <unit>permil</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528105900-878991</global_id>
    <name>BS14</name>
    <device/>
    <technique>100Mg/(Mg+Fe2+)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
    <description></description>
    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Mg#</nickname>
        <value>60.4</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
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  <acquisition>
    <global_id>20190528115813-718477</global_id>
    <name>BS14</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>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
    <description/>
    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Li</nickname>
        <value>8.2</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Rb</nickname>
        <value>36.4</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sr</nickname>
        <value>911.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Y</nickname>
        <value>29.57</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cs</nickname>
        <value>0.41</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ba</nickname>
        <value>641.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>La</nickname>
        <value>42.67</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ce</nickname>
        <value>90.22</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pr</nickname>
        <value>10.34</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nd</nickname>
        <value>43.32</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sm</nickname>
        <value>8.46</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Eu</nickname>
        <value>2.81</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Gd</nickname>
        <value>7.38</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tb</nickname>
        <value>1.05</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Dy</nickname>
        <value>5.48</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ho</nickname>
        <value>1.01</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Er</nickname>
        <value>2.37</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>2.05</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Lu</nickname>
        <value>0.28</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb</nickname>
        <value>3.08</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528112726-319833</global_id>
    <name>BS14</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
    <description/>
    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>SiO2</nickname>
        <value>46.4</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>TiO2</nickname>
        <value>2.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Al2O3</nickname>
        <value>14.67</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Fe2O3T</nickname>
        <value>12.1</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>8.2</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>CaO</nickname>
        <value>8.7</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Na2O</nickname>
        <value>3.77</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>K2O</nickname>
        <value>1.88</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>P2O5</nickname>
        <value>0.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>LOI</nickname>
        <value>1.02</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>total</nickname>
        <value>100.6</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cr</nickname>
        <value>232.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ni</nickname>
        <value>160.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528115933-789044</global_id>
    <name>BS14</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
    <operator>Aka</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
    <description/>
    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>B</nickname>
        <value>2.15</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>5.53</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nb</nickname>
        <value>55.43</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ta</nickname>
        <value>3.27</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190528151238-623173</global_id>
    <name>BS14</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>TIMS with total evaporation</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100310094405204.ttsujimori</sample_global_id>
    <sample_name>BS14</sample_name>
    <description/>
    <place>
      <global_id>20190628145632-200088</global_id>
      <name>Lake Nyos</name>
      <longitude>10.3035</longitude>
      <latitude>6.43880555555556</latitude>
      <elevation/>
      <description>southeastern shore of the lake</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Ra226</nickname>
        <value>529.0</value>
        <unit>fg/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ra226zTh230</nickname>
        <value>1.027</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
</acquisitions>