From: Analysis of composition and microstructure of diatom frustules in mud on the coast of Boryeong- city, South Korea
Element
Weight%
Atomic%
Na K
1.38
1.78
Mg K
4.35
5.31
Al K
9.69
10.67
Si K
69.00
72.99
K K
3.89
2.95
Ti K
0.73
0.45
Fe K
10.96
5.83
Total
100.00