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JEOL-8600 microprobe database (CU Boulder) | Print date: 08/07/2020 (16:30)

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Standard - Information

In use Lake County Labradorite (Plagioclase) Block: #4
First entry: 04/15/2012 || Last update: 04/19/2012 by Julien Allaz
Mineral class
Sub-class
Group
silicate
Tectosilicate
Feldspar
Synthetic? no
Formula
Standard element(s)
(Ca,Na)(Al,Si)4O8
Si Ca Al
Source / reference USNM #115900
Origin, rock type... Lake County, OR
General comment See Jarosewich et al. (1980), Geostandards Newsletter 4 (2), p. 257

Analysis 1
Analysis type unknown
Comment analysis H2O 0.05 ???
Wt-% oxideWt-% elementAtom [p.f.u.]
51.250
0.050
30.910
0.460
0.140
0.010
13.640
3.450
0.180
SiO2
TiO2
Al2O3
FeO
MgO
MnO
CaO
Na2O
K2O
23.956
0.030
16.359
0.358
0.084
0.008
9.749
2.559
0.149
46.838
Si
Ti
Al
Fe2+
Mg
Mn
Ca
Na
K
O
2.331
0.002
1.657
0.017
0.009
-
0.665
0.304
0.010
8.000
100.090100.09012.995

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Webmaster (Julien Allaz): julien.allaz@colorado.edu | Lab manager (Julien Allaz, Kevin Mahan): julien.allaz@colorado.edu

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