Britholite-(Ce) from the metaluminous granite of SW Egypt
| 06 avr. 2023
Article Category: Letter
Publié en ligne: 06 avr. 2023
Pages: 11 - 17
Reçu: 12 déc. 2022
Accepté: 20 févr. 2023
© 2023 Kamaleldin M. Hassan, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
SEM-EDS analyses (wt%) of duplicate mineral spots (A and B) from GR1 and GR2; BDL—below detecton limit.
|
A |
B |
± 1σ |
% Errors |
Britholite |
SiO2 |
17.10 |
15.90 |
0.60 |
3.64 |
ThO |
7.00 |
8.34 |
0.54 |
8.73 |
UO2 |
BDL |
BDL |
|
|
ZrO |
BDL |
BDL |
|
|
Al2O3 |
7.90 |
6.82 |
0.54 |
7.34 |
La2O3 |
13.30 |
15.10 |
0.90 |
6.34 |
Ce2O3 |
24.70 |
26.70 |
1.00 |
3.89 |
Pr2O3 |
2.20 |
1.94 |
0.13 |
6.28 |
Nd2O3 |
5.00 |
5.15 |
0.07 |
1.48 |
Sm2O3 |
BDL |
BDL |
|
|
Gd2O3 |
BDL |
BDL |
|
|
FeO |
8.00 |
7.58 |
0.21 |
2.69 |
Cr2O3 |
BDL |
BDL |
|
|
MgO |
4.30 |
3.12 |
0.59 |
16.0 |
CaO |
5.90 |
6.50 |
0.30 |
4.80 |
Na2O |
1.24 |
0.65 |
0.30 |
31.22 |
K2O |
0.53 |
0.80 |
0.13 |
20.30 |
P2O5 |
BDL |
BDL |
|
|
SO3 |
0.27 |
0.20 |
0.03 |
14.89 |
F |
2.51 |
1.07 |
0.72 |
40.28 |
Total |
99.95 |
99.87 |
|
|
Magnetite |
SiO2 |
2.40 |
2.40 |
0.00 |
0.00 |
Al2O3 |
0.60 |
0.80 |
0.10 |
14.28 |
FeO |
93.80 |
94.70 |
0.45 |
0.48 |
Cr2O3 |
1.14 |
0.74 |
0.20 |
21.28 |
MgO |
0.30 |
0.40 |
0.05 |
14.29 |
Na2O |
0.70 |
1.00 |
0.15 |
17.65 |
Total |
98.94 |
100.04 |
|
|
Zircon |
SiO2 |
29.80 |
28.30 |
0.75 |
2.58 |
ZrO |
68.10 |
67.80 |
0.15 |
0.22 |
Al2O3 |
0.30 |
0.30 |
0.00 |
0.00 |
FeO |
0.70 |
1.30 |
0.30 |
30.00 |
CaO |
0.60 |
0.30 |
0.30 |
33.33 |
Na2O |
0.50 |
0.90 |
0.20 |
28.57 |
Total |
100.0 |
98.90 |
|
|