List of geological features on Iapetus

Most Iapetian geological features are named after characters and locations in the Chanson de Roland.

Montes

A mons /ˈmɒnz/, pl. montes /ˈmɒntiːz/, is a mountain.

Mons or Montes	Coordinate	Diameter (km)	Named after	Pronunciation
Carcassone Montes	0.0°N 216.7°W / 0.0; -216.7	740.0	Carcassonne, France	/kɑrkəˈsoʊn/
Cordova Mons	0.0°N 206.2°W / 0.0; -206.2	85.0	Córdoba, Spain	/ˈkɔrdɵvə/
Gayne Mons	0.0°N 176.0°W / 0.0; -176.0	65.0	Gayne, Spain	//
Haltile Mons	0.0°N 190.4°W / 0.0; -190.4	45.0	Haltile, Spain	//
Seville Mons	0.0°N 346.3°W / 0.0; -346.3	69.0	Seville, Spain	/sɨˈvɪl/
Sorence Mons	0.0°N 193.7°W / 0.0; -193.7	46.0	Castle of Pinabel	//
Toledo Montes	0.0°N 136.0°W / 0.0; -136.0	1100.0	Toledo, Spain	/tɵˈliːdoʊ/
Tortelosa Montes	0.0°N 64.7°W / 0.0; -64.7	294.0	Tortelosa, Spain	//
Valterne Mons	0.0°N 170.6°W / 0.0; -170.6	50.0	Valterne, Spain	//

Regiones

There is one named Iapetian regio /ˈriːdʒi.oʊ/ (area of distinct albedo difference), Cassini:

Regio	Coordinate	Named after	Pronounced
Cassini Regio	28.1°S 92.6°W / -28.1; -92.6 (Cassini Regio)	Giovanni Cassini, discoverer of Iapetus	/kəˈsiːni/

The adjectival form is Cassinian /kəˈsɪniən/.

Terrae

There are two named Iapetian terrae /ˈtɛriː/ (large 'land' masses).

Terra	Coordinate	Diameter (km)	Named after	Pronounced
Roncevaux Terra	37.0°N 239.5°W / 37.0; -239.5	1284.0	Battle of Roncevaux Pass	/rɒnsᵊˈvoʊ/
Saragossa Terra	45.0°S 180.0°W / -45.0; -180.0	2300.0	Saragossa, Spain	/særəˈɡɒsə/

The adjectival form of Roncevaux is Roncesvallian.

Craters

Named impact craters are:

Craters	Coordinate	Diameter (km)	Named after	Pronounced
Acelin	42.7°N 154.9°W / 42.7; -154.9	38.0	Aceline of Gascony	/ˈɑːsᵊliːn/
Adelroth	6.6°N 183.6°W / 6.6; -183.6	57.0	Marsilion’s nephew	//
Almeric	53.4°N 276.0°W / 53.4; -276.0	43.0	Almeric, one of the Twelve Peers	//
Anseïs	40.7°S 290.8°W / -40.7; -290.8	48.0	One of the Twelve Peers	//
Astor	14.9°N 321.2°W / 14.9; -321.2	122.0	A French baron	//
Baligant	16.4°N 224.9°W / 16.4; -224.9	66.0	Baligant	//
Basan	33.3°N 194.7°W / 33.3; -194.7	76.0	Bason	//
Basbrun	52.0°S 111.8°W / -52.0; -111.8	80.0	Charlemagne’s officer	//
Basile	0.7°S 187.9°W / -0.7; -187.9	6.0	French baron	//
Berenger	62.1°N 219.7°W / 62.1; -219.7	84.0	Bérengier	//
Besgun	76.0°N 309.8°W / 76.0; -309.8	56.0	Besgun	//
Bevon	70.7°N 93.0°W / 70.7; -93.0	48.0	French baron	//
Bramimond	38.0°N 178.0°W / 38.0; -178.0	200.0	Bramimonde	//
Charlemagne	55.0°N 258.8°W / 55.0; -258.8	95.0	Charlemagne	/ˈʃɑrlɨmeɪn/
Clarin	18.3°N 71.6°W / 18.3; -71.6	84.0	Saracen lord	//
Climborin	30.4°N 116.9°W / 30.4; -116.9	49.0	Saracen lord	//
Corsablis	0.9°N 114.2°W / 0.9; -114.2	73.0	Saracen lord	//
Dapamort	36.6°N 84.9°W / 36.6; -84.9	49.0	Saracen king	//
Engelier	40.5°S 264.7°W / -40.5; -264.7	504.0	One of the Twelve Peers	//
Escremiz	1.6°N 173.5°W / 1.6; -173.5	0.06	Escremiz of Valterne	//
Eudropin	0.9°N 220.7°W / 0.9; -220.7	42.0	Saracen lord	//
Falsaron	33.8°N 82.6°W / 33.8; -82.6	424.0	Brother of King Marsilion	//
Ganelon	44.3°S 19.8°W / -44.3; -19.8	230.0	Ganelon	//
Garlon	3.2°S 240.5°W / -3.2; -240.5	47.0	Saracen lord	//
Geboin	58.6°N 173.4°W / 58.6; -173.4	81.0	Geboin	//
Gerin	45.6°S 233.0°W / -45.6; -233.0	445.0	One of the Twelve Peers	//
Godefroy	71.9°N 249.1°W / 71.9; -249.1	63.0	Godefroy	//
Grandoyne	17.7°N 214.5°W / 17.7; -214.5	65.0	Grandoyne	//
Hamon	10.6°N 270.0°W / 10.6; -270.0	96.0	Hamon	//
Ivon	18.0°N 315.0°W / 18.0; -315.0	100.0	One of the Twelve Peers	//
Johun	12.4°N 83.4°W / 12.4; -83.4	64.0	Johun of Outremer; Saracen lord	//
Jurfaleu	13.0°N 2.5°W / 13.0; -2.5	107.0	Son of Marsilion	//
Lorant	65.2°N 159.8°W / 65.2; -159.8	44.0	Lorant	//
Malprimis	15.2°S 118.2°W / -15.2; -118.2	377.0	Saracen lord	//
Malun	5.9°N 41.3°W / 5.9; -41.3	121.0	Saracen lord	//
Margaris	27.7°N 135.8°W / 27.7; -135.8	75.0	Saracen lord	/mɑrˈɡærɨs/ ?
Marsilion	39.2°N 176.1°W / 39.2; -176.1	136.0	Marsilion	/mɑrˈsɪliən/
Matthay	3.5°S 187.4°W / -3.5; -187.4	58.0	Saracen lord	//
Milion	67.9°N 207.2°W / 67.9; -207.2	119.0	Milon	//
Naimon	9.3°N 329.3°W / 9.3; -329.3	244.0	Naimon	//
Nevelon	33.2°S 197.0°W / -33.2; -197.0	49.0	Shares command of Charlemagne’s sixth division	//
Ogier	42.5°N 275.1°W / 42.5; -275.1	100.0	Ogier the Dane	//
Oliver	62.5°N 200.8°W / 62.5; -200.8	113.0	Olivier	/ˈɒlɨvər/
Othon	33.3°N 347.8°W / 33.3; -347.8	86.0	Othon	//
Pinabel	39.0°S 33.0°W / -39.0; -33.0	83.0	Pinabel	//
Priamon	1.5°N 187.0°W / 1.5; -187.0	17.0	Saracen lord	//
Rabel	64.4°S 166.2°W / -64.4; -166.2	91.0	French baron	/ˈræbəl/
Roland	73.3°N 25.2°W / 73.3; -25.2	144.0	Roland	/ˈroʊlənd/
Rugis	0.1°S 99.0°W / -0.1; -99.0	19.0	Saracen lord	/ˈruːdʒɨs/
Samson	6.5°N 298.6°W / 6.5; -298.6	33.0	One of the Twelve Peers	/ˈsæmsən/
Thierry	55.0°S 8.0°W / -55.0; -8.0	110.0	French knight, friend of Roland	//
Tibbald	57.0°N 358.0°W / 57.0; -358.0	160.0	Tibbald of Reims	/ˈtɪbəld/
Timozel	9.9°S 212.3°W / -9.9; -212.3	58.0	Saracen lord	//
Torleu	0.2°S 188.4°W / -0.2; -188.4	8.0	Leader in Baligant’s army	//
Turgis	16.9°N 28.4°W / 16.9; -28.4	580.0	Saracen baron	/ˈtɜrdʒɨs/
Turpin	47.7°N 1.4°W / 47.7; -1.4	87.0	Turpin	/ˈtɜrpɨn/
Valdebron	29.6°N 104.4°W / 29.6; -104.4	49.0	Saracen lord	//

References

• Mackey & Mackey, 1922, The Pronunciation of 10,000 Proper Names, Dodd, Mead & Co., New York

External links

• USGS: Iapetus nomenclature
• JPL: Iapetus Global Maps