pub

IGSN: IEDRM00CQ
place: N4°13′50.0″, E9°15′10.0″ more
classification: volcanic:basaltic
physical-form: hand specimen
quantity (kg): 0.275
birth: AD 1909
age (a): 111 (0)
description: Cameroon volcanic line, Mt. Cameroon volcano, 1909 eruption, NE flank of a crater
modified at 2019-07-11
surface:
- globe

1909-7

Table 1. Major elements, trace elements and Sr, Nd, Pb, U, Th and Ra isotope data Yokoyama, Tetsuya et al. (2007)

1: 1909-2 2: 1909-6 3: 1909-7 4: 1909-8 5: 1909-9 6: 1909-10 7: CA060 8: 1922-2 9: CA04 10: C20 11: C21 12: C23 13: C25 14: C27 15: C28 16: C29 17: C33 18: C36 19: 1982-1 20: 1982-2 21: CA076 22: 1999-1 23: 1999-2 24: 1999-3 25: 2000-1 26: 2000-2

(a) XRF procedures of Takei (2002) on XRF PANalytical PW2400

(b) calculation from Fe2O3 total

(d) Q-ICP-MS_procedures of Makishima and Nakamura (1997, 1999, 2006) on Q-ICPMS Agilent 7500cs

(e) Q-ICP-MS_procedures of Lu et al. (2007) on Q-ICPMS Agilent 7500cs

(f) U-Series_procedures of Yokoyama et al. (1999, 2001, 2003) on TIMS Thermo-Fisher MAT262

(g) Sr isotopes_procedures of Yoshikawa and Nakamura (1993) on TIMS Finnigan MAT261, MAT262 and Triton TI

(h) Nd isotopes_procedures of Nakamura et al. (1991, 2003) on TIMS Finnigan MAT261, MAT262 and Triton TI

(i) Pb isotopes_procedures of Kuritani and Nakamura (2002, 2003) on TIMS Finnigan MAT261, MAT262 and Triton TI

(j) TIMS with total evaporation on TIMS Thermo-Fisher MAT262

@article{20100614092846281.stokeshi,
 author={{1909-7}},
 title={Hand specimen with quantity 0.275 kg at \nolinkurl{/ISEI/main/127/C/6/Cameroon 5002/}},
 journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100614092846281.stokeshi}{DREAM}},
 volume={19},
 pages={20100614092846281.stokeshi},
 year={2010},
 url={http://dream.misasa.okayama-u.ac.jp/?q=20100614092846281.stokeshi},
}

<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
  <acquisition>
    <global_id>20190524111532-828788</global_id>
    <name>1909-7_Mg#</name>
    <device/>
    <technique>100Mg/(Mg+Fe2+)</technique>
    <operator></operator>
    <sample_global_id>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description></description>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Mg#</nickname>
        <value>50.6</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190522153216-971526</global_id>
    <name>1909-7</name>
    <device>XRF PANalytical PW2400</device>
    <technique>XRF procedures of Takei (2002)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description/>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>SiO2</nickname>
        <value>45.5</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>TiO2</nickname>
        <value>3.43</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Al2O3</nickname>
        <value>15.8</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>5.44</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Na2O</nickname>
        <value>4.24</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>K2O</nickname>
        <value>1.7</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>P2O5</nickname>
        <value>0.83</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>total</nickname>
        <value>99.5</value>
        <unit>%</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cr2O3</nickname>
        <value>97.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>NiO</nickname>
        <value>54.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>CaO</nickname>
        <value>10.54</value>
        <unit>%</unit>
        <uncertainty/>
        <label></label>
        <info></info>
      </analysis>
      <analysis>
        <nickname>LOI</nickname>
        <value>-0.69</value>
        <unit>%</unit>
        <uncertainty/>
        <label></label>
        <info></info>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190522153239-227025</global_id>
    <name>1909-7_Fe2O3</name>
    <device/>
    <technique>calculation from Fe2O3 total</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description></description>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE 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>20190524144309-426906</global_id>
    <name>1909-7_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>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description></description>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Pb206zPb204</nickname>
        <value>20.426</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb207zPb204</nickname>
        <value>15.663</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pb208zPb204</nickname>
        <value>40.197</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524122238-176663</global_id>
    <name>1909-7</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>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description></description>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Li</nickname>
        <value>7.61</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Rb</nickname>
        <value>43.1</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sr</nickname>
        <value>1267.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Y</nickname>
        <value>39.7</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Cs</nickname>
        <value>0.497</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ba</nickname>
        <value>528.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>La</nickname>
        <value>79.2</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ce</nickname>
        <value>165.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Pr</nickname>
        <value>19.1</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nd</nickname>
        <value>74.4</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Sm</nickname>
        <value>12.9</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Eu</nickname>
        <value>3.98</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Gd</nickname>
        <value>10.4</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tb</nickname>
        <value>1.45</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Dy</nickname>
        <value>7.34</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ho</nickname>
        <value>1.35</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Er</nickname>
        <value>3.16</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Tm</nickname>
        <value>0.43</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Yb</nickname>
        <value>2.69</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Lu</nickname>
        <value>0.359</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>20190524122319-473129</global_id>
    <name>1909-7</name>
    <device>Q-ICPMS Agilent 7500cs</device>
    <technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description/>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>B</nickname>
        <value>2.75</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Zr</nickname>
        <value>388.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Hf</nickname>
        <value>7.92</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Nb</nickname>
        <value>105.0</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ta</nickname>
        <value>5.67</value>
        <unit>ppm</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144102-094341</global_id>
    <name>1909-7_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>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description></description>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Nd143zNd144</nickname>
        <value>0.512798</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524144405-022001</global_id>
    <name>1909-7</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>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description/>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Sr87zSr86</nickname>
        <value>0.703219</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524153540-500937</global_id>
    <name>1909-7</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>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description/>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Th</nickname>
        <value>8.345</value>
        <unit>ug/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U</nickname>
        <value>2.266</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>0.824</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Th230zU238</nickname>
        <value>1.203</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>U234zU238</nickname>
        <value>1.001</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
  <acquisition>
    <global_id>20190524155211-837694</global_id>
    <name>1909-7</name>
    <device>TIMS Thermo-Fisher MAT262</device>
    <technique>TIMS with total evaporation</technique>
    <operator>Yokoyama</operator>
    <sample_global_id>20100614092846281.stokeshi</sample_global_id>
    <sample_name>1909-7</sample_name>
    <description/>
    <place>
      <global_id>20190626114829-644854</global_id>
      <name>locality of 1909-7</name>
      <longitude>9.25277777777778</longitude>
      <latitude>4.23055555555556</latitude>
      <elevation>2000.0</elevation>
      <description>Mt. Cameroon volcano, 1909 eruption, NE flank of a crater</description>
    </place>
    <chemistries>
      <analysis>
        <nickname>Ra226</nickname>
        <value>1041.0</value>
        <unit>fg/g</unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
      <analysis>
        <nickname>Ra226zTh230</nickname>
        <value>1.131</value>
        <unit></unit>
        <uncertainty/>
        <label/>
        <info/>
      </analysis>
    </chemistries>
  </acquisition>
</acquisitions>

place quantity

ISEI/main/127/C/6/Cameroon 5002 6 months

2019-11-22 09:46 2020-05-16 12:29

description:

ISEI/main/127/C/5/Cameroon 5002 almost 4 years

2015-12-15 10:05 2019-11-22 09:46

description:

ISEI/main/127/B/6/Cameroon 5002 about 1 month

2015-11-06 17:22 2015-12-15 10:05

description:

ISEI/main/--/Cameroon 5002 1 day

2015-11-05 14:00 2015-11-06 17:22

description:

globe pub 1

	name	latitude	longitude		global-id
	locality of 1909-7 pub	4.2306 N	9.2528 E		20190626114829-644854

name	device	global-id
1909-7_Mg# pub 1		20190524111532-828788
1909-7 pub 13	XRF PANalytical PW2400	20190522153216-971526
1909-7_Fe2O3 pub 1		20190522153239-227025
1909-7_Pb pub 3	TIMS Finnigan MAT261, MAT262 and Triton TI	20190524144309-426906
1909-7 pub 21	Q-ICPMS Agilent 7500cs	20190524122238-176663
1909-7 pub 5	Q-ICPMS Agilent 7500cs	20190524122319-473129
1909-7_Nd pub 1	TIMS Finnigan MAT261, MAT262 and Triton TI	20190524144102-094341
1909-7 pub 1	TIMS Finnigan MAT261, MAT262 and Triton TI	20190524144405-022001
1909-7 pub 6	TIMS Thermo-Fisher MAT262	20190524153540-500937
1909-7 pub 2	TIMS Thermo-Fisher MAT262	20190524155211-837694

	name		global-id
	Yokoyama, Tetsuya (2007) Plume-lithosphere interaction beneath Mt. Cameroon volcano, West Africa: Constraints from ²³⁸U-²³⁰Th-²²⁶Ra and Sr-Nd-Pb isotope systematics, Geochimica et Cosmochimica Acta, 71, 1835-1854. Table 1. Major elements, trace elements and Sr, Nd, Pb, U, Th and Ra isotope data		20100403101829488.admin

		name		spots	global-id
		IMG_1236.JPG pub		0	20100628092632044.hkitagawa