Grain | Analysis | Major element oxides (wt%) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
SiO2
|
TiO2
|
Al2O3
|
FeO
|
MnO
|
MgO
|
CaO
|
K2O
|
Na2O
|
Total
|
||
gn1: | |||||||||||
1 | 37.68 | 0.02 | 20.82 | 31.50 | 0.64 | 7.11 | 2.48 | 0.01 | 0.00 | 100.26 | |
2 | 37.39 | 0.03 | 20.62 | 32.27 | 0.75 | 7.29 | 2.55 | 0.01 | 0.00 | 100.91 | |
3 | 37.51 | 0.01 | 20.77 | 31.71 | 0.64 | 6.94 | 2.61 | 0.01 | 0.00 | 100.21 | |
4 | 37.54 | 0.01 | 20.53 | 31.85 | 0.64 | 7.15 | 2.54 | 0.00 | 0.00 | 100.28 | |
5 | 38.05 | 0.03 | 20.62 | 32.48 | 0.67 | 7.25 | 2.53 | 0.00 | 0.00 | 101.64 | |
6 | 37.79 | 0.00 | 21.18 | 32.09 | 0.63 | 6.76 | 2.53 | 0.01 | 0.00 | 100.99 | |
7 | 37.54 | 0.03 | 21.24 | 31.76 | 0.59 | 7.26 | 2.47 | 0.00 | 0.00 | 100.89 | |
8 | 37.55 | 0.03 | 21.05 | 31.45 | 0.61 | 7.27 | 2.60 | 0.02 | 0.00 | 100.56 | |
9 | 37.71 | 0.00 | 20.80 | 31.56 | 0.59 | 7.00 | 2.71 | 0.03 | 0.00 | 100.39 | |
10 | 37.23 | 0.01 | 20.97 | 31.50 | 0.57 | 7.16 | 2.66 | 0.03 | 0.00 | 100.13 | |
Average: | 37.60 | 0.02 | 20.86 | 31.82 | 0.63 | 7.12 | 2.57 | 0.01 | 0.00 | 100.62 | |
gn2: | |||||||||||
1 | 36.64 | 0.05 | 21.31 | 33.62 | 0.87 | 5.47 | 2.20 | 0.04 | 0.02 | 100.22 | |
2 | 37.45 | 0.02 | 21.23 | 33.41 | 0.81 | 5.44 | 2.07 | 0.04 | 0.01 | 100.47 | |
3 | 37.53 | 0.02 | 21.18 | 32.93 | 0.80 | 5.78 | 2.16 | 0.03 | 0.00 | 100.43 | |
4 | 37.02 | 0.00 | 21.48 | 32.39 | 0.79 | 5.76 | 2.18 | 0.04 | 0.00 | 99.67 | |
5 | 37.50 | 0.00 | 21.22 | 32.29 | 0.93 | 5.48 | 2.22 | 0.02 | 0.01 | 99.67 | |
6 | 37.35 | 0.01 | 21.42 | 32.51 | 0.83 | 5.60 | 2.19 | 0.02 | 0.01 | 99.93 | |
Average: | 37.25 | 0.02 | 21.31 | 32.86 | 0.84 | 5.59 | 2.17 | 0.03 | 0.01 | 100.06 | |
gn3: | |||||||||||
1 | 38.06 | 0.02 | 21.96 | 26.81 | 1.23 | 9.93 | 1.12 | 0.00 | 0.00 | 99.12 | |
2 | 38.38 | 0.00 | 21.98 | 26.64 | 1.52 | 9.83 | 0.93 | 0.02 | 0.02 | 99.31 | |
3 | 38.57 | 0.04 | 22.12 | 26.68 | 1.48 | 9.79 | 1.03 | 0.01 | 0.00 | 99.70 | |
4 | 37.92 | 0.06 | 22.15 | 26.04 | 1.52 | 9.92 | 1.04 | 0.00 | 0.00 | 98.65 | |
5 | 38.09 | 0.04 | 22.12 | 27.23 | 1.56 | 9.83 | 1.01 | 0.00 | 0.00 | 99.88 | |
6 | 38.77 | 0.04 | 22.04 | 26.81 | 1.48 | 9.85 | 1.03 | 0.02 | 0.00 | 100.03 | |
Average: | 38.30 | 0.03 | 22.06 | 26.70 | 1.46 | 9.86 | 1.02 | 0.01 | 0.00 | 99.45 | |
gn4: | |||||||||||
1 | 37.76 | 0.07 | 20.86 | 33.35 | 0.53 | 4.34 | 1.90 | 0.01 | 0.09 | 98.91 | |
2 | 37.23 | 0.04 | 21.23 | 35.55 | 0.49 | 4.20 | 1.95 | 0.02 | 0.00 | 100.71 | |
3 | 36.81 | 0.03 | 21.65 | 34.30 | 0.56 | 4.38 | 2.03 | 0.00 | 0.01 | 99.77 | |
4 | 36.40 | 0.04 | 21.52 | 35.04 | 0.46 | 4.18 | 1.92 | 0.02 | 0.00 | 99.58 | |
5 | 36.65 | 0.03 | 21.40 | 34.69 | 0.58 | 4.27 | 1.97 | 0.00 | 0.00 | 99.59 | |
6 | 36.75 | 0.03 | 21.45 | 34.75 | 0.48 | 4.11 | 1.98 | 0.00 | 0.00 | 99.55 | |
7 | 37.29 | 0.05 | 21.20 | 35.69 | 0.54 | 4.32 | 2.05 | 0.01 | 0.01 | 101.15 | |
8 | 36.90 | 0.00 | 21.34 | 34.77 | 0.47 | 4.22 | 2.00 | 0.01 | 0.04 | 99.74 | |
9 | 36.79 | 0.02 | 21.65 | 34.75 | 0.45 | 4.14 | 2.06 | 0.03 | 0.03 | 99.92 | |
Average: | 36.95 | 0.04 | 21.37 | 34.77 | 0.51 | 4.24 | 1.99 | 0.01 | 0.02 | 99.88 | |
gn5: | |||||||||||
1 | 37.35 | 0.04 | 21.66 | 33.00 | 0.70 | 5.32 | 1.48 | 0.05 | 0.00 | 99.60 | |
2 | 36.96 | 0.06 | 21.60 | 33.65 | 0.63 | 5.63 | 1.48 | 0.02 | 0.00 | 100.02 | |
3 | 36.70 | 0.05 | 21.25 | 32.35 | 0.63 | 5.34 | 1.44 | 0.02 | 0.01 | 97.78 | |
4 | 37.42 | 0.03 | 21.32 | 32.77 | 0.63 | 5.37 | 1.44 | 0.02 | 0.06 | 99.06 | |
5 | 37.47 | 0.03 | 21.06 | 33.46 | 0.75 | 5.52 | 1.48 | 0.02 | 0.00 | 99.79 | |
6 | 36.23 | 0.03 | 21.46 | 33.89 | 0.68 | 5.34 | 1.41 | 0.02 | 0.00 | 99.06 | |
7 | 37.71 | 0.00 | 21.18 | 33.53 | 0.71 | 5.42 | 1.39 | 0.01 | 0.00 | 99.95 | |
Average: | 37.12 | 0.03 | 21.36 | 33.23 | 0.68 | 5.42 | 1.45 | 0.02 | 0.01 | 99.32 | |
gn6: | |||||||||||
1 | 38.04 | 0.05 | 21.42 | 28.83 | 1.44 | 9.20 | 2.07 | 0.03 | 0.00 | 101.07 | |
2 | 38.91 | 0.05 | 21.27 | 27.63 | 1.55 | 9.24 | 2.04 | 0.03 | 0.00 | 100.73 | |
3 | 38.23 | 0.05 | 21.47 | 28.12 | 1.59 | 9.43 | 2.04 | 0.01 | 0.05 | 100.98 | |
4 | 38.45 | 0.12 | 21.53 | 28.25 | 1.66 | 9.29 | 2.19 | 0.01 | 0.00 | 101.50 | |
5 | 38.41 | 0.01 | 21.25 | 28.01 | 1.56 | 8.97 | 2.10 | 0.02 | 0.00 | 100.32 | |
6 | 38.82 | 0.00 | 21.46 | 28.53 | 1.57 | 9.48 | 2.15 | 0.01 | 0.00 | 102.02 | |
7 | 38.05 | 0.06 | 21.74 | 28.71 | 1.55 | 9.40 | 2.17 | 0.01 | 0.00 | 101.70 | |
8 | 38.70 | 0.11 | 21.26 | 28.07 | 1.56 | 9.54 | 2.20 | 0.00 | 0.00 | 101.44 | |
Average: | 38.45 | 0.05 | 21.43 | 28.27 | 1.56 | 9.32 | 2.12 | 0.02 | 0.01 | 101.22 | |
gn7: | |||||||||||
1 | 37.77 | 0.04 | 21.30 | 33.67 | 0.84 | 5.67 | 1.69 | 0.01 | 0.09 | 101.09 | |
2 | 37.41 | 0.01 | 21.46 | 34.21 | 0.75 | 5.59 | 1.66 | 0.00 | 0.04 | 101.13 | |
3 | 36.82 | 0.05 | 21.75 | 34.02 | 0.90 | 5.67 | 1.71 | 0.00 | 0.00 | 100.90 | |
4 | 37.71 | 0.01 | 21.36 | 33.20 | 0.97 | 5.95 | 1.67 | 0.00 | 0.00 | 100.87 | |
5 | 37.55 | 0.05 | 21.53 | 33.62 | 0.92 | 5.62 | 1.64 | 0.00 | 0.00 | 100.93 | |
6 | 37.06 | 0.00 | 21.45 | 32.38 | 0.90 | 5.60 | 1.55 | 0.01 | 0.00 | 98.94 | |
7 | 38.48 | 0.00 | 21.52 | 32.92 | 0.87 | 5.60 | 1.59 | 0.01 | 0.00 | 100.99 | |
8 | 36.68 | 0.05 | 21.35 | 33.59 | 0.87 | 5.33 | 1.56 | 0.01 | 0.00 | 99.44 | |
9 | 36.99 | 0.06 | 21.70 | 33.61 | 0.90 | 5.69 | 1.56 | 0.00 | 0.00 | 100.50 | |
10 | 37.75 | 0.06 | 21.35 | 32.46 | 0.88 | 5.29 | 1.55 | 0.00 | 0.00 | 99.35 | |
11 | 37.38 | 0.00 | 21.36 | 34.27 | 0.93 | 5.71 | 1.46 | 0.01 | 0.00 | 101.11 | |
Average: | 37.42 | 0.03 | 21.46 | 33.45 | 0.89 | 5.61 | 1.60 | 0.00 | 0.01 | 100.48 | |
gn8: | |||||||||||
1 | 37.51 | 0.00 | 21.59 | 30.49 | 0.44 | 8.02 | 2.29 | 0.03 | 0.03 | 100.41 | |
2 | 37.99 | 0.04 | 21.65 | 30.75 | 0.43 | 7.89 | 2.20 | 0.02 | 0.00 | 100.96 | |
3 | 38.11 | 0.02 | 21.90 | 30.94 | 0.48 | 8.05 | 2.25 | 0.01 | 0.00 | 101.77 | |
4 | 37.32 | 0.04 | 21.66 | 30.30 | 0.54 | 8.37 | 2.17 | 0.02 | 0.00 | 100.41 | |
5 | 38.15 | 0.01 | 21.72 | 29.81 | 0.46 | 8.28 | 2.18 | 0.02 | 0.00 | 100.62 | |
6 | 37.81 | 0.06 | 21.77 | 30.43 | 0.39 | 8.16 | 2.27 | 0.02 | 0.00 | 100.91 | |
7 | 37.47 | 0.00 | 21.51 | 31.01 | 0.44 | 7.74 | 2.25 | 0.02 | 0.00 | 100.44 | |
8 | 37.70 | 0.02 | 21.91 | 30.73 | 0.40 | 8.18 | 2.35 | 0.00 | 0.00 | 101.28 | |
9 | 37.36 | 0.00 | 21.91 | 30.87 | 0.46 | 8.17 | 2.23 | 0.01 | 0.00 | 101.02 | |
Average: | 37.71 | 0.02 | 21.74 | 30.59 | 0.45 | 8.09 | 2.24 | 0.02 | 0.00 | 100.87 | |
gn10: | |||||||||||
1 | 37.30 | 0.04 | 21.60 | 32.27 | 1.14 | 5.70 | 2.07 | 0.02 | 0.00 | 100.13 | |
2 | 36.80 | 0.10 | 21.63 | 31.69 | 0.93 | 5.95 | 2.05 | 0.01 | 0.00 | 99.16 | |
3 | 37.34 | 0.04 | 21.59 | 32.06 | 0.91 | 5.80 | 2.10 | 0.01 | 0.03 | 99.88 | |
4 | 37.62 | 0.05 | 21.51 | 31.83 | 1.10 | 5.89 | 1.98 | 0.00 | 0.00 | 99.98 | |
5 | 37.40 | 0.05 | 21.66 | 33.05 | 0.95 | 6.03 | 2.04 | 0.01 | 0.00 | 101.19 | |
6 | 37.85 | 0.06 | 21.53 | 32.95 | 1.12 | 5.88 | 1.95 | 0.00 | 0.08 | 101.44 | |
7 | 37.47 | 0.07 | 21.40 | 32.24 | 1.02 | 5.66 | 2.09 | 0.00 | 0.00 | 99.95 | |
8 | 37.06 | 0.04 | 21.38 | 32.19 | 1.10 | 6.10 | 2.05 | 0.03 | 0.00 | 99.95 | |
Average: | 37.36 | 0.06 | 21.54 | 32.28 | 1.03 | 5.88 | 2.04 | 0.01 | 0.01 | 100.21 |
Note: Individual sand grains are identified as gn1-8 and gn10.