@article{20100614092847393.stokeshi,
 author={{C33}},
 title={Hand specimen with quantity 0.735 kg at \nolinkurl{/ISEI/stone storage/Room B/A/A-4/Cameroon 5002/}},
 journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100614092847393.stokeshi}{DREAM}},
 volume={19},
 pages={20100614092847393.stokeshi},
 year={2010},
 url={http://dream.misasa.okayama-u.ac.jp/?q=20100614092847393.stokeshi},
}

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    <global_id>20190522153220-278462</global_id>
    <name>C33</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
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      <name>locality of C33</name>
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      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
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      <analysis>
        <nickname>SiO2</nickname>
        <value>46.1</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>TiO2</nickname>
        <value>3.33</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>Al2O3</nickname>
        <value>16.0</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>5.36</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>Na2O</nickname>
        <value>4.43</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>K2O</nickname>
        <value>1.82</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>P2O5</nickname>
        <value>0.85</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
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      <analysis>
        <nickname>LOI</nickname>
        <value>-0.57</value>
        <unit>%</unit>
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        <label/>
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      <analysis>
        <nickname>total</nickname>
        <value>99.8</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>Cr2O3</nickname>
        <value>96.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>NiO</nickname>
        <value>64.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
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      <analysis>
        <nickname>CaO</nickname>
        <value>10.19</value>
        <unit>%</unit>
        <uncertainty/>
        <label></label>
        <info></info>
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    <technique>calculation from Fe2O3 total</technique>
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      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
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    <chemistries>
      <analysis>
        <nickname>Fe2O3</nickname>
        <value>12.0</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524115812-801147</global_id>
    <name>C33_Mg#</name>
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    <technique>100Mg/(Mg+Fe2+)</technique>
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      <global_id>20190626140129-433300</global_id>
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      <analysis>
        <nickname>Mg#</nickname>
        <value>50.9</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
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  <acquisition>
    <global_id>20190524122323-611842</global_id>
    <name>C33</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
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    <sample_global_id>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description/>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
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    <chemistries>
      <analysis>
        <nickname>B</nickname>
        <value>3.03</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Zr</nickname>
        <value>417.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Hf</nickname>
        <value>8.46</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nb</nickname>
        <value>115.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ta</nickname>
        <value>6.35</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
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  <acquisition>
    <global_id>20190524122255-061136</global_id>
    <name>C33</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>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description></description>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Li</nickname>
        <value>7.57</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Rb</nickname>
        <value>47.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sr</nickname>
        <value>1188.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Y</nickname>
        <value>38.8</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cs</nickname>
        <value>0.512</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ba</nickname>
        <value>556.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>La</nickname>
        <value>84.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ce</nickname>
        <value>171.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pr</nickname>
        <value>19.6</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nd</nickname>
        <value>75.8</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sm</nickname>
        <value>13.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Eu</nickname>
        <value>4.01</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Gd</nickname>
        <value>10.6</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tb</nickname>
        <value>1.48</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Dy</nickname>
        <value>7.65</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ho</nickname>
        <value>1.37</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Er</nickname>
        <value>3.23</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tm</nickname>
        <value>0.452</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Yb</nickname>
        <value>2.84</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Lu</nickname>
        <value>0.386</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb</nickname>
        <value>4.38</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144102-005745</global_id>
    <name>C33_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>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description></description>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Nd143zNd144</nickname>
        <value>0.512766</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144406-023180</global_id>
    <name>C33</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>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description/>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Sr87zSr86</nickname>
        <value>0.703275</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144310-031339</global_id>
    <name>C33_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>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description></description>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Pb206zPb204</nickname>
        <value>20.414</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>40.188</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524153543-206574</global_id>
    <name>C33</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>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description/>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Th</nickname>
        <value>8.97</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U</nickname>
        <value>2.428</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zTh232</nickname>
        <value>0.991</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U238zTh232</nickname>
        <value>0.821</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zU238</nickname>
        <value>1.206</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U234zU238</nickname>
        <value>1.003</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524155212-542589</global_id>
    <name>C33</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>TIMS with total evaporation</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614092847393.stokeshi</sample_global_id>
    <sample_name>C33</sample_name>
    <description/>
    <place>
      <global_id>20190626140129-433300</global_id>
      <name>locality of C33</name>
      <longitude>9.26666666666667</longitude>
      <latitude>4.18333333333333</latitude>
      <elevation>1500.0</elevation>
      <description>Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Ra226</nickname>
        <value>1137.0</value>
        <unit>fg/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ra226zTh230</nickname>
        <value>1.15</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
</acquisitions>