A4. Bands of Latitude

Name

Description

Latitude Range

A – Aether

Extreme northern zone, named for the upper air or pure sky

+90.00° to +72.0°

B – Borealis

Northern polar adjacent region, referencing the Borealis Basin

+72.0° to +66.0°

C – Crya

Cold region with potential subsurface ice

+66.0° to +60.0°

D – Drift

Zones of persistent dust drifts and dunes

+60.0° to +54.0°

E – Esker

Layered terrain like Earth glacial eskers

+54.0° to +48.0°

F – Frost

Mid-high latitudes with regular frost patterns

+48.0° to +42.0°

G – Glint

High-reflectance zones from ice and seasonal changes

+42.0° to +36.0°

H – Halo

Bands with halo-like atmospheric ice clouds

+36.0° to +30.0°

I – Ignite

Named due to the bright clear summer skys 

+30.0° to +24.0°

J – Joule

Solar energy rich zone near equator, referencing thermal gain

+24.0° to +18.0°

K – Kindle

Warmer belts where most power harvesting occurs

+18.0° to +12.0°

L – Lucis

Latin for 'light', high-solar exposure area

+12.0° to +6.0°

M – Meridion

Near Mars’ equator, central life and trade routes

+6.0° to -0.0°

N – Niveus

Transition into southern hemisphere, 'snowy'

-0.0° to -6.0°

O – Oxia

Named for Oxia Palus near equator, mineral-rich

-6.0° to -12.0°

P – Pavonis

Named for Pavonis Mons near equator

-12.0° to -18.0°

Q – Quietus

Silent, minimally active wind zones

-18.0° to -24.0°

R – Ruber

Latin for red — classic Martian hue zones

-24.0° to -30.0°

S – Stratis

Layered geological regions, visible sedimentation

-30.0° to -36.0°

T – Tepidus

Mild southern zones, suitable for habitats

-36.0° to -42.0°

U – Umbra

Shaded canyons and subsurface access

-42.0° to -48.0°

V – Vallis

Southern valley-dominated terrain

-48.0° to -54.0°

W – Whisper

Sparse communication zones or outposts

-54.0° to -60.0°

X – Xerus

Dryest, rockiest southern bands

-60.0° to -66.0°

Y – Yedoma

Permafrost analogue; ice-rich sediments

-66.0° to -72.0°

Zephyrus

Southern polar fringe, wind-swept zones

-72.0° to -90.0°