THE SOLAR SYSTEM
MAIN TYPES OF FEATURESCatena– line or chain of craters,
e.g. Tithonia Catena.
Chaos– areas of broken terrain,
e.g. Aromatum Chaos.
Chasma– very large linear chain,
e.g. Capri Chasma.
Colles– hills, e.g. Deuteronilus Colles.
Dorsum– ridge, e.g. Solis Dorsum.
Fossa– ditch: long, shallow, narrow
depression, e.g. Claritas Fossae.
Labyrinthus– canyon complex. Noctis
Labyrinthus is the only really major example.
Mensa– small plateau or table-land,
e.g. Nilosyrtis Mensae.
Mons– mountain or volcano,
e.g. Olympus Mons.
Patera– saucer-like volcanic structure,
e.g. Alba Patera.
Planitia– smooth, low-lying plain,
e.g. Hellas Planitia.
Planum – plateau; smooth high area,
e.g. Hesperia Planum.
Rupes– cliff, e.g. Ogygis Rupes.
Terrae– lands, names often given to
classical albedo features, e.g. Sirenum Terra,
formerly known as Mare Sirenum.
Tholus– domed hill, e.g. Uranius Tholus.
Vallis– valley, e.g. Vallis Marineris.
Vastitas– extensive plain. Vastitas Borealis is
the main example.
40° 80° 120° 160° 180°Lat.° Long.° Diameter,
km
MONS
Arsia 09 S 121 500
Ascraeus 12 S 104 370
Elysium 25 N 213 180
Olympus 18 N 133 540
Pavonis 01 N 113 340
MONTES
Charitum 50 S–59 S 060–027 1279
Hellespontes 35 S–50 S 319–310 854
Libya 15 N–02 S 253–282 2015
Nereidum 50 S–38 S 060–030 1626
Phlegra 30 N–46 N 195 919
Tharsis 12 S–16 N 125–101 2175
PLANITIA
Acidalia 55 N–14 S 060–000 2615
Amazonia 00–40 N 168–140 2416
Arcadia 55 N–40 S 195–110 3052
Argyre 45 S–36 S 043–051 741
Chryse 19 S–30 N 051–037 840
Elysium 10 S–30 S 180–260 5312
Hellas 60 S–30 S 313–272 1955
Isidis 04 S–20 S 279–255 800
Syrtis Major 20 N–01 S 298–293 1262
Utopia 35 N–50 N 310–195 3276
PLANUM
Aurorae 09 S–15 S 053–043 565
Hesperia 10 S–35 S 258–242 2125
Lunae 05 N–23 N 075–060 1050
Ophir 06 S–12 S 063–054 550
Sinai 09 S–20 S 097–070 1495
Solis 20 S–30 S 098–088 1000
Syria 10 S–20 S 112–097 900
TERRAE
Arabia 00-43 N 024–280 5625Lat.° Long.° Diameter,
km
Cimmeria 45 S 210 –
Margaritifer 02 N–27 S 012–045 1924
THOLUS
Albor 19 N 210 115
Ceraunius 24 N 097 135
Hecates 32 N 210 152
Uranius 26 N 098 65
Meridiani 05 N 000 –
Noachis 15 S–83 S 040–300 1025
Promethei 30 S–65 S 240–300 2967
Sabaae 01 S 325 –
Sirenum 50 S 150 –
Tempe 24 N–54 N 050–093 1628
Tyrrhena 10 S 280 –
Xanthe 19 N–13 S 015–065 2797
VASTITAS
Borealis Circumpolar 9999
LABYRINTHUS
Noctis 04 S–14 S 110–095 1025
VALLIS
Auqakuh 30 N–27 N 300–297 195
Huo Hsing 34 N–28 N 299–292 662
Kasei 27 N–18 N 075–056 1090
Ma' adim 28 S–16 S 184–181 955
Mangala 04 S–09 S 150–152 272
Marineris 01 N–18 S 024–113 5272
Tiu 03 N–14 N 030–035 680
MONTES
Charitum 50 S–59 S 060–027 1279
Hellespontes 35 S–50 S 319–310 854
Libya 15 N–02 S 253–282 2015
Nereidum 50 S–38 S 060–030 1626
Phlegra 30 N–46 N 195 919
Tharsis 12 S–16 N 125–101 2175C Atl of Univ Phil'03stp 2/4/03 3:05 pm Page 83