Table 2:
Typical dust volume composition
,
mass composition
,
and mean particles sizes
m] as a function of local temperature for models as depicted in Fig. 2.
(
)
- increasing in T-interval; (
)
- decreasing in T-interval.
T |
 |
 |
 |
![$\rm [K]$](/articles/aa/full/2008/26/aa8220-07/img136.gif) |
|
|
m] |
700 |
24% MgSiO3, 20% Mg2SiO4 |
1. MgSiO3 |
10-3 |
. |
12% SiO2, 10% SiO, 9% FeS |
2. Mg2SiO4 |
. |
. |
{MgO, FeO, Fe2O3} <9% |
3. FeS, Fe2O3, FeO |
. |
. |
{Fe, Al2O3}<5% |
4. SiO2, MgO, Fe |
. |
950 |
{TiO2, CaTiO3} <1% |
5. SiO |
10-2 |
950 |
|
10-2 |
. |
strongly changing |
. |
1200 |
|
10-0.5 |
1200 |
35% Mg2SiO4, 23% SiO2 |
1. Fe |
10-0.5 |
. |
<20% MgSiO3 ( ) |
2. Mg2SiO4 |
. |
. |
15% Fe, 5% MgO |
3. SiO2/MgSiO3 |
. |
1700 |
everything else <5% |
4. MgO |
10 |
1700 |
|
10 |
. |
strongly changing |
. |
1900 |
(SiO, MgO peaking but low %) |
102 |
1900 |
72% Fe ( ) |
1. Fe |
102 |
. |
20% Al2O3 ( ), <5% TiO2 |
2. Al2O3 ( ) |
 |
2100 |
10% CaTiO3 (at 2100 K) |
3. CaTiO3 |
0 |
Mean grain sizes
can reach up to 103.5 in lower gravity atmospheres like giant-gas planets (compare Fig. 4).
|
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