MA1809_Ar1 < 20191128134730-221978 > pub
- place: N12°49′60.0″, E39°34′0.0″ more
- status: unknown
- age (Ma): 28.06 (0.7)
- modified at 2020-01-15
Table 2-1. Results of K-Ar dating for mafic volcanic rocks from NW plateau (Maychew) < 20191128120022-064572 > in Feyissa et al. (2019)refreshed at 2020-07-30
1: BK01_K 2: BK01_Ar1 3: BK01_Ar2 4: MA1905-K 5: MA1905-Ar1 6: MA1905-Ar2 7: MA1809_K 8: MA1809_Ar1 9: MA1809_Ar2 10: A5_K 11: A5_Ar1 12: A5_Ar2 13: BK06_K 14: BK06_Ar1 15: BK06_Ar2 16: MA06_K 17: MA06-Ar1 18: MA06-Ar2 19: TS-12_K 20: TS-12_Ar1 21: TS-12_Ar2 22: TS35_K 23: TS35_Ar1 24: TS35_Ar2 25: TS35_Ar3 26: TS38_K 27: TS38_Ar1 28: TS38_Ar2 29: TS43_K 30: TS43_Ar1 31: TS43_Ar2 32: TS43_Ar3 33: TS43_Ar4 34: TS45_K 35: TS45_Ar1 36: TS45_Ar2
(a) Flame emission spectrometry on Shimadzu AA6200
(b) isotope dilution mass spectrometry with 38Ar spike on Micromass VG5400
Table S2-1. Major-element compositions (wt%) of mafic volcanic rocks from Maychew in NW Plateau < 20191114155105-057189 > in Feyissa et al. (2019)refreshed at 2020-07-30
1: MH12a 2: MH12b 3: MH11a 4: MH11b 5: MH14 6: MH15 7: TR3V23 8: MA1905 9: MA1907 10: A3 11: BK01 12: BK02 13: BK04 14: TR1V1 15: TR1V3 16: Tr1-V38 17: BK07 18: BK08 19: TS-01 20: TS06 21: Ma1808 22: MA1809 23: MA11a 24: MA06A 25: MA08 26: MA01a 27: Ma02a 28: MA1810c 29: MA1810a 30: A-5 31: L1 32: A2 33: MA1815 34: I2S3 35: BK10 36: BK06 37: TS03 38: TS04 39: TS09 40: TS12 41: TS13 42: TS14 43: TS16 44: B2 45: TS31 46: TS36 47: TS41 48: TS43 49: Ts44 50: TS45 51: TS46 52: TS35 53: TS38 54: Ts39 55: TS40 56: TS42
(a) XRF procedures of Takei (2002) on XRF PANalytical PW2400
(b) Tritration with gravimetry
Table S3-1.Trace-element compositions (ppm) of mafic volcanic rocks from Maychew in NW Plateau < 20191121142300-676915 > in Feyissa et al. (2019)refreshed at 2020-07-30
1: MH12a 2: MH12b 3: MH11a 4: MH11b 5: MH14 6: MH15 7: TR3V23 8: MA1905 9: MA1907 10: A3 11: BK01 12: BK02 13: BK04 14: TR1V1 15: TR1V3 16: Tr1-V38 17: BK07 18: BK08 19: TS06 20: Ma1808 21: MA1809 22: MA11a 23: MA06A 24: MA08 25: MA01a 26: Ma02a 27: MA1810c 28: MA1810a 29: A-5 30: L1 31: A2 32: MA1815 33: I2S3 34: BK10 35: BK06 36: TS03 37: TS04 38: TS09 39: TS12 40: TS13 41: TS14 42: TS16 43: B2 44: TS31 45: TS36 46: TS41 47: TS43 48: Ts44 49: TS45 50: TS46 51: TS35 52: TS38 53: Ts39 54: TS40 55: TS42
(a) Q-ICP-MS_procedures of Makishima and Nakamura (1997, 1999, 2006) on Q-ICPMS Agilent 7500cs
(b) XRF procedures of Takei (2002) on XRF PANalytical PW2400
(c) Q-ICP-MS_procedures of Lu et al. (2007) on Q-ICPMS Agilent 7500cs
@article{20191128134730-221978,
author={{MA1809_Ar1}},
title={Specimen at \nolinkurl{/}},
journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20191128134730-221978}{DREAM}},
volume={20},
pages={20191128134730-221978},
year={2019},
url={http://dream.misasa.okayama-u.ac.jp/?q=20191128134730-221978},
}<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
<acquisition>
<global_id>20191128135111-277229</global_id>
<name>MA1809_Ar1</name>
<device>Micromass VG5400</device>
<technique>isotope dilution mass spectrometry with 38Ar spike</technique>
<operator></operator>
<sample_global_id>20191128134730-221978</sample_global_id>
<sample_name>MA1809_Ar1</sample_name>
<description></description>
<place>
<global_id>20191128134751-598183</global_id>
<name>Bolonta</name>
<longitude>39.5666666666667</longitude>
<latitude>12.8333333333333</latitude>
<elevation/>
<description></description>
</place>
<chemistries>
<analysis>
<nickname>Ar36</nickname>
<value>1.1249</value>
<unit>pg/g</unit>
<uncertainty>0.0177</uncertainty>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Ar40rad</nickname>
<value>2.193</value>
<unit>ng/g</unit>
<uncertainty>0.0321</uncertainty>
<label/>
<info/>
</analysis>
<analysis>
<nickname>Ar40zAr36</nickname>
<value>1939.0</value>
<unit></unit>
<uncertainty>7.0</uncertainty>
<label/>
<info/>
</analysis>
<analysis>
<nickname>AirFraction</nickname>
<value>14.4</value>
<unit>%</unit>
<uncertainty/>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
</acquisitions>
place quantity