RDDM Index

Albedo Catena Cavus Chaos Chasma Collis Crater Dorsum Fluctus Fossa Labes Labyrinthus Lacus Lingula Macula Mare Mensa Mons Palus Patera Planitia Planum Regio Rupes Scopulus Serpens Sinus Sulcus Terra Tholus Unda Vallis Vastitas

List of labēs

Labes (plural labēs) is a word of Latin origin denoting a steep decline or collapse, especially at ground level. It is used on Mars to refer to huge landslides, all located without exception within Valles Marineris.

Latitudes and longitudes in white are planetocentric. Those in orange use the older planetographic system.

Name	Entity	Type	Lat	Lon	Ø km	Quad	Origin
Baetis Labēs	Mars	Labes	-3.67	288.54	88.00	mc18	Classical albedo feature, Baetis.
Candor Labes	Mars	Labes	-4.79	284.01	134.94	mc18	From classical albedo feature at 5°N, 75°W.
Ceti Labes	Mars	Labes	-6.78	284.27	11.05	mc18	Classical albedo feature name.
Coprates Labes	Mars	Labes	-11.82	292.21	61.97	mc18	From albedo feature at 14°S, 65°W.
Ius Labes	Mars	Labes	-7.47	281.54	61.18	mc18	Classical albedo feature name.
Melas Labes	Mars	Labes	-8.53	288.30	107.24	mc18	From albedo feature at 10°S, 74°W.
Ophir Labes	Mars	Labes	-11.01	291.72	92.53	mc18	From albedo feature at 10°S, 65°W.

L - Index by entity

List of lacūs

Strictly speaking, there are no lacus (plural lacūs) on Mars as described in the nomenclature, but there are still eight areas named "Lacus". They are all albedo features.

Name	Entity	Type	Lat	Lon	Quad	Origin
Hyperboreus Lacus	Mars	Albedo	74.83	300.00	mc01	Far northern lake.
Ismenius Lacus	Mars	Albedo	39.67	30.00	mc05	"Ismenian Lake"; Ismenia is poetic term for Thebes.
Moeris Lacus	Mars	Albedo	7.91	90.00	mc13	"Moeris Lake;" Moeris was Egyptian lake in Libyan Desert.
Niliacus Lacus	Mars	Albedo	29.71	330.00	mc11	"Lake of the Nile"
Phoenicis Lacus	Mars	Albedo	-11.86	250.00	mc17	"Lake of the Phoenix;" Arabia or India.
Sithonius Lacus	Mars	Albedo	44.66	115.00	mc06	Region inhabited by Sithonii; synonym of Thrace.
Solis Lacus	Mars	Albedo	-27.72	270.00	mc17	"Lake of the Sun"; the so-called "Eye of Mars," connecting East with West.
Tithonius Lacus	Mars	Albedo	-4.94	275.00	mc18	"Tithonian Lake"; Tithonus received from his wife Eos eternal life but not eternal youth.

L - Index by entity

List of labyrinthi

In planetology, a labyrinthus (plural labyrinthi) is a complex network of intersecting valleys and canyons, most often cutting through a plateau (planum). The word is borrowed from Latin ("labyrinth"). Labyrinths have been described on Mars and Venus. This type of formation typically corresponds to a crustal uplift. On Mars it is in particular the case of Noctis Labyrinthus, in the north of the high plateau of Syria Planum, starting point of the canyons of Valles Marineris.

Latitudes and longitudes in white are planetocentric. Those in orange use the older planetographic system.

Name	Entity	Type	Lat	Lon	Ø km	Quad	Origin
Adamas Labyrinthus	Mars	Labyrinthus	35.70	105.12	853.00	mc06	Classical albedo feature name; "A River of Diamonds"; River Sarbarnarekha in India.
Angustus Labyrinthus	Mars	Labyrinthus	-81.62	296.61	67.52	mc30	Classical albedo feature name.
Cydonia Labyrinthus	Mars	Labyrinthus	41.29	347.94	344.05	mc04	Named for classical albedo feature at 50°N, 355°W.
Hyperboreus Labyrinthus	Mars	Labyrinthus	80.28	300.25	111.97	mc01	Classical albedo feature name.
Noctis Labyrinthus	Mars	Labyrinthus	-6.36	258.81	1190.31	mc17	Classical albedo feature name.
Tyrrhenus Labyrinthus	Mars	Labyrinthus	-16.18	101.12	102.68	mc22	Classical albedo feature name.

L - Index by entity

List of lingulae

Lingula (plural lingulae) is a word of Latin origin that designates the extension of a plateau with lobed or tongue-shaped boundaries. This type of formation has been added very recently (end of 2004) to the Martian nomenclature.

Name	Entity	Type	Lat	Lon	Ø km	Quad	Origin
Australe Lingula	Mars	Lingula	-84.05	68.56	436.33	mc30	Classical albedo feature name.
Gemina Lingula	Mars	Lingula	81.87	2.59	772.89	mc01	Classical albedo feature name.
Hyperborea Lingula	Mars	Lingula	80.32	306.46	124.80	mc01	Classical albedo feature name.
Promethei Lingula	Mars	Lingula	-82.80	119.89	571.63	mc30	Classical albedo feature name.
Ultima Lingula	Mars	Lingula	-76.32	142.56	551.28	mc30	Classical albedo feature name.

M - Index by entity

List of maculae

In exogeology, a macula (plural maculae) is an element of planetary nomenclature designating dark spots on the surface of stars when their precise geological nature could not be determined with certainty.

Name	Entity	Type	Lat	Lon	Ø km	Quad	Origin
Olympus Maculae	Mars	Macula	17.36	217.16	124.00	mc08	Classical albedo feature name.

M - Index by entity

List of maria

Strictly speaking, there are no mare (plural maria) on Mars as described in the nomenclature but there are ten areas named "Mare". These are all albedo features.

Name	Entity	Type	Lat	Lon	Quad	Origin
Mare Acidalium	Mars	Albedo	44.66	330.00	mc04	Name for Acidalian (Venusian) fountain in Boeotia where the Graces bathed.
Mare Australe	Mars	Albedo	-59.71	350.00	mc26	"South Sea"
Mare Boreum	Mars	Albedo	59.71	180.00	mc07	"North Sea"
Mare Chronium	Mars	Albedo	-57.70	150.00	mc29	"Cronian Sea", northern part of World Sea where eternal dead calm, dangerous to ships, prevailed.
Mare Cimmerium	Mars	Albedo	-19.78	140.00	mc23	Cimmerians were ancient Thracian seafarers; "far western sea" (Homer).
Mare Erythraeum	Mars	Albedo	-24.74	320.00	mc19	Indian Ocean.
Mare Hadriacum	Mars	Albedo	-39.67	90.00	mc28	Adriatic Sea.
Mare Serpentis	Mars	Albedo	-29.71	40.00	mc20	Named for Constellation Serpens (the snake).
Mare Sirenum	Mars	Albedo	-29.71	205.00	mc16	"Sea of the Sirens."
Mare Tyrrhenum	Mars	Albedo	-19.78	105.00	mc22	Tyrrhenian Sea, between Italy and Sicily.

M - Index by entity

List of mensae

Mensa (plural mensae) is a Latin word for table. This word has the same root as the Spanish term Mesa also meaning "table" and used in geomorphology a rise of land with a flat top and cliff sides. Mensa is used here to describe small plateaus with flat, horizontal tops, bordered by generally steep cliffs.

The [names in grey and italics] in the tables are dropped or moved, referenced here because they may appear in older documents. Latitudes and longitudes in white are planetocentric. Those in orange use the older planetographic system.

Name	Entity	Type	Lat	Lon	Ø km	Quad	Origin
Abalos Mensa	Mars	Mensa	81.17	284.00	129.18	mc01	Classical albedo feature name.
Acidalia Mensa	Mars	Mensa	46.69	334.66	226.86	mc04	From classical albedo feature name.
Aeolis Mensae	Mars	Mensa	-3.25	140.63	785.09	mc23	Classical albedo feature name.
Amazonis Mensa	Mars	Mensa	-1.98	213.10	414.04	mc16	Classical albedo feature name.
Ascraeus Mensa	Mars	Mensa	11.72	252.11	34.86	mc09	Classical albedo name.
Ausonia Mensa	Mars	Mensa	-30.02	97.72	102.51	mc28	Albedo feature name.
Australe Mensa	Mars	Mensa	-86.88	357.24	172.00	mc30	Classical albedo feature name.
Baetis Mensa	Mars	Mensa	-5.17	287.55	181.10	mc18	From albedo feature at 7°S, 63°W.
Candor Mensa	Mars	Mensa	-6.26	286.48	116.56	mc18	Classical albedo feature.
Capri Mensa	Mars	Mensa	-13.73	312.81	282.35	mc18	Classical albedo feature name.
Ceti Mensa	Mars	Mensa	-5.89	283.98	133.95	mc18	Albedo feature Ceti Lacus.
Chrysas Mensa	Mars	Mensa	-6.77	289.90	167.00	mc18	Classical albedo feature name, Chrysas.
Coprates Mensa	Mars	Mensa	-12.20	288.84	240.00	mc18	Classical martian albedo feature, Coprates.
Cydonia Mensae	Mars	Mensa	34.56	347.67	764.96	mc04	From albedo feature at 50°N, 355°W.
Deuteronilus Mensae	Mars	Mensa	45.11	23.92	919.17	mc05	From albedo feature at 35°N, 355°W.
Eos Mensa	Mars	Mensa	-11.01	317.84	346.67	mc19	Classical albedo feature name.
[Galaxias Mensae]	Mars	Mensa	36.18	147.30	327.00	mc07	Albedo feature name. (Named dropped. Feature is part of Galaxias Colles.)
Ganges Mensa	Mars	Mensa	-7.23	311.25	135.90	mc18	Classical albedo feature name.
Hebes Mensa	Mars	Mensa	-1.02	283.22	112.46	mc18	Classical albedo feature; name of goddess of youth.
Ius Mensa	Mars	Mensa	-8.60	284.68	160.00	mc18	Classical martian albedo feature, Ius.
Izola Mensa	Mars	Mensa	-25.89	54.29	10.80	mc21	Named for nearby crater Izola.
Juventae Mensa	Mars	Mensa	-7.93	294.37	116.00	mc18	Classical albedo feature name, Juventae Fons
Labeatis Mensa	Mars	Mensa	25.50	285.53	124.67	mc10	Classical albedo feature name.
Lunae Mensa	Mars	Mensa	23.91	297.50	114.75	mc10	Albedo feature name.
Melas Mensa	Mars	Mensa	-10.72	285.85	245.00	mc18	Classical martian albedo feature, Melas.
Nepenthes Mensae	Mars	Mensa	9.19	119.42	2176.23	mc14	Classical albedo feature name.
Nia Mensa	Mars	Mensa	-7.72	292.68	95.00	mc18	Classical albedo feature name, Nia
Nilokeras Mensae	Mars	Mensa	30.48	308.05	450.88	mc04	Albedo feature name.
Nilosyrtis Mensae	Mars	Mensa	34.77	68.47	676.03	mc06	Classical albedo feature name.
Nilus Mensae	Mars	Mensa	22.20	287.77	206.84	mc10	Named for albedo feature at 20°N, 65°W.
Olympia Mensae	Mars	Mensa	78.00	119.98	335.42	mc01	Classical albedo feature name.
Ophir Mensa	Mars	Mensa	-3.99	286.51	103.33	mc18	Classical albedo feature name.
Protonilus Mensae	Mars	Mensa	43.87	48.86	1033.97	mc05	From albedo feature at 42°N, 315°W.
Sacra Mensa	Mars	Mensa	24.64	291.78	577.00	mc10	Albedo feature name.
Tempe Mensa	Mars	Mensa	27.94	288.41	55.39	mc10	From albedo feature at 40°N, 70°W.
Tenuis Mensa	Mars	Mensa	81.13	267.04	120.92	mc01	Classical albedo feature name.
Zephyria Mensae	Mars	Mensa	-11.62	171.98	333.61	mc23	Albedo feature name.