Table 4 Dust lag and diffusion timescales for 1-10 μm palagonite series

Thickness

( m kg ^-1 s ^-0.5 )

Diffusivity

Radius *

7

536.8 μm

6.78 μm

1.3 × 10¹⁹

2.0 × 10^-7m²s^-1

0.95

2.8 × 10^-10m

8A

421.3 μm

16.3 μm

2.8 × 10¹⁸

2.9 × 10^-8m²s^-1

0.76

4.0 × 10^-11m

8B

325.4 μm

12.5 μm

1.6 × 10¹⁸

8.9 × 10^-9m²s^-1

0.79

1.2 × 10^-11m

9

408.8 μm

32.6 μm

1.9 × 10¹⁸

2.5 × 10^-8m²s^-1

0.77

3.5 × 10^-11m

10

250.2 μm

30.9 μm

1.2 × 10¹⁸

1.5 × 10^-8m²s^-1

0.67

2.1 × 10^-11m

11

547.0 μm

228 μm

2.7 × 10¹⁸

2.1 × 10^-7m²s^-1

0.42

2.9 × 10^-10m

12

1017 μm

126 μm

5.5 × 10¹⁸

3.3 × 10^-7m²s^-1

0.75

4.5 × 10^-10m