- IGSN: IEDRM00CY
- place: N4°10′60.0″, E9°16′0.0″ more
- classification: volcanic:basaltic
- physical-form: hand specimen
- quantity (kg): 0.285
- birth: AD 1959
- age (a): 63.0 (0.0)
- description: Cameroon volcanic line, Mt. Cameroon volcano, 1959 eruption, ENE flank of a crater
- modified at 2019-07-11
- surface:
Table 1. Major elements, trace elements and Sr, Nd, Pb, U, Th and Ra isotope data < 20190522152900-997284 > in Yokoyama et al. (2007)refreshed at 2020-07-30
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
(c) 100Mg/(Mg+Fe2+)
(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{20100614092847528.stokeshi,
author={{C23}},
title={Hand specimen with quantity 0.285 kg at \nolinkurl{/ISEI/stone storage/Room B/A/A-4/Cameroon 5002/}},
journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20100614092847528.stokeshi}{DREAM}},
volume={19},
pages={20100614092847528.stokeshi},
year={2010},
url={http://dream.misasa.okayama-u.ac.jp/?q=20100614092847528.stokeshi},
}<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
<acquisition>
<global_id>20190524115052-557660</global_id>
<name>C23_Mg#</name>
<device/>
<technique>100Mg/(Mg+Fe2+)</technique>
<operator></operator>
<sample_global_id>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description></description>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>Mg#</nickname>
<value>51.1</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190522153219-107193</global_id>
<name>C23</name>
<device>XRF PANalytical PW2400</device>
<technique>XRF procedures of Takei (2002)</technique>
<operator>Yokoyama</operator>
<sample_global_id>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description/>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>SiO2</nickname>
<value>46.3</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>TiO2</nickname>
<value>3.3</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<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>5.34</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>CaO</nickname>
<value>10.0</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Na2O</nickname>
<value>4.51</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>K2O</nickname>
<value>1.84</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>P2O5</nickname>
<value>0.86</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>LOI</nickname>
<value>-0.54</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>total</nickname>
<value>99.7</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Cr2O3</nickname>
<value>114.0</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>NiO</nickname>
<value>67.0</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190522153239-815273</global_id>
<name>C23_Fe2O3</name>
<device/>
<technique>calculation from Fe2O3 total</technique>
<operator>Yokoyama</operator>
<sample_global_id>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description></description>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>Fe2O3</nickname>
<value>11.9</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190524144102-735896</global_id>
<name>C23_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>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description></description>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>0.512779</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190524122322-807692</global_id>
<name>C23</name>
<device>Q-ICPMS Agilent 7500cs</device>
<technique>Q-ICP-MS_procedures of Lu et al. (2007)</technique>
<operator>Yokoyama</operator>
<sample_global_id>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description/>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>B</nickname>
<value>3.01</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>8.54</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>6.26</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190524122249-765225</global_id>
<name>C23</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>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description></description>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>8.02</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Rb</nickname>
<value>46.8</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Sr</nickname>
<value>1276.0</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Y</nickname>
<value>40.9</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Cs</nickname>
<value>0.542</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Ba</nickname>
<value>578.0</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>La</nickname>
<value>87.5</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Ce</nickname>
<value>181.0</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Pr</nickname>
<value>20.9</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Nd</nickname>
<value>79.0</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Sm</nickname>
<value>13.3</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Eu</nickname>
<value>4.14</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Gd</nickname>
<value>11.3</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Tb</nickname>
<value>1.49</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Dy</nickname>
<value>7.81</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Ho</nickname>
<value>1.41</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Er</nickname>
<value>3.31</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Tm</nickname>
<value>0.468</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Yb</nickname>
<value>2.95</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Lu</nickname>
<value>0.387</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Pb</nickname>
<value>4.52</value>
<unit>ppm</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190524144406-186041</global_id>
<name>C23</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>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description/>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>0.703276</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190524144310-883254</global_id>
<name>C23_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>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description></description>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>20.413</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Pb207zPb204</nickname>
<value>15.659</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Pb208zPb204</nickname>
<value>40.187</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
<acquisition>
<global_id>20190524153542-501052</global_id>
<name>C23</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>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description/>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>9.046</value>
<unit>ug/g</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>U</nickname>
<value>2.474</value>
<unit>ug/g</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Th230zTh232</nickname>
<value>0.999</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>U238zTh232</nickname>
<value>0.83</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Th230zU238</nickname>
<value>1.204</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>20190524155212-024015</global_id>
<name>C23</name>
<device>TIMS Thermo-Fisher MAT262</device>
<technique>TIMS with total evaporation</technique>
<operator>Yokoyama</operator>
<sample_global_id>20100614092847528.stokeshi</sample_global_id>
<sample_name>C23</sample_name>
<description/>
<place>
<global_id>20190626120057-013394</global_id>
<name>locality of C23</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>1151.0</value>
<unit>fg/g</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Ra226zTh230</nickname>
<value>1.145</value>
<unit></unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
</acquisitions>
place quantity
ISEI/stone storage/Room B/--/--/Cameroon 5002 over 1 year
2021-01-04 15:34 2022-08-08 22:38
description:
ISEI/main/--/C/6/Cameroon 5002 about 1 year
2019-11-22 09:46 2021-01-04 15:34
description:
ISEI/main/--/C/5/Cameroon 5002 almost 4 years
2015-12-15 10:05 2019-11-22 09:46
description:
ISEI/main/--/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: