Table 2.5 (continued)
Region
Rough.
index
Characteristics and area [km
2
]
Sub-region c
Rougher terrain with numerous
quasi-circular structures and
non-aligned ridges and pits.
Ma’at
(Ma)
12.99
Covered with a deposit producing a
smooth surface on small scales.
Occasional exposures of more consolidated but brittle material below.
Similar to Ash but with some pits.
3.81651
Sub-region a
Smooth dust-covered shallow
depression with knobs
Sub-region b
Smooth dust-covered shallow
depression with knobs and an
irregular-shaped ridge-like structure at its centre.
Sub-region c
Topographically lower with significant numbers of depressions
and quasi-circular/arcuate
depressions.
Sub-region d
A plateau at a lower elevation that
Ma’at sub-regions around
it. Bounds Bastet at a cliff.
Sub-region e
Large-scale roughness dominated
substrate with dust-covering.
Bastet
(Bs)
14.76
Consolidated material with texturally rough surface and limited
amounts of dust coating.
1.98781
Sub-region a
Smoother terrain adjoining
Hatmehit and Wosret.
Sub-region b
Undulating terrain on a face at an
angle with respect to a. Pockmarked in places.
Sub-region c
Fractured consolidation terrain.
Parts of this sub-region show similarity to Hathor which adjoins it.
Hathor
(Hh)
19.6
Consolidated, but fractured material
on a gravitationally steep slope.
Comprises most of the cliff separating Ma’at and Hapi.
2.16217
Hatmehit
(Hm)
13.79
Large circular depression with a
smooth interior (some rocks)
surrounded by more consolidated
material at the rim.
1.08561
Sub-region a
The floor of the circular depression. This is generally smooth and
flat with a small ridge running
roughly through the centre. Some
talus from fracturing is evident at
the margins.
(continued)
92
2 The Nucleus