Astronomy:List of geological features on Iapetus

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Most Iapetian geological features are named after characters and locations in the Old French epic poem The Song of Roland, specifically the English translation by Dorothy L. Sayers.

Montes

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

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Carcassone Montes	[ ⚑ ] 0.0°N 216.7°W / 0.0; -216.7	740.0	August 5, 2008	Carcassonne, France	/kɑːrkəˈsoʊn/	WGPSN
Cordova Mons	[ ⚑ ] 0.0°N 206.2°W / 0.0; -206.2	85.0	August 5, 2008	Córdoba, Spain	/ˈkɔːrdoʊvə/	WGPSN
Gayne Mons	[ ⚑ ] 0.0°N 176.0°W / 0.0; -176.0	65.0	August 5, 2008	Gayne, Spain		WGPSN
Haltile Mons	[ ⚑ ] 0.0°N 190.4°W / 0.0; -190.4	45.0	August 5, 2008	Haltile, Spain		WGPSN
Seville Mons	[ ⚑ ] 0.0°N 346.3°W / 0.0; -346.3	69.0	August 5, 2008	Seville, Spain	/sɪˈvɪl/	WGPSN
Sorence Mons	[ ⚑ ] 0.0°N 193.7°W / 0.0; -193.7	46.0	August 5, 2008	Castle of Pinabel		WGPSN
Toledo Montes	[ ⚑ ] 0.0°N 136.0°W / 0.0; -136.0	1100.0	August 5, 2008	Toledo, Spain	/toʊˈliːdoʊ/	WGPSN
Tortelosa Montes	[ ⚑ ] 0.0°N 64.7°W / 0.0; -64.7	294.0	August 5, 2008	Tortelosa, Spain		WGPSN
Valterne Mons	[ ⚑ ] 0.0°N 170.6°W / 0.0; -170.6	50.0	August 5, 2008	Valterne, Spain		WGPSN

Regiones

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

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Cassini Regio	[ ⚑ ] 28.1°S 92.6°W / -28.1; -92.6 (Cassini Regio)	0	1982	Giovanni Cassini, discoverer of Iapetus	/kəˈsiːnɪ/	WGPSN

Terrae

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

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Roncevaux Terra	[ ⚑ ] 37.0°N 239.5°W / 37.0; -239.5	1284.0	1982	Battle of Roncevaux Pass	/rɒnsəˈvoʊ/	WGPSN
Saragossa Terra	[ ⚑ ] 45.0°S 180.0°W / -45.0; -180.0	2300.0	August 5, 2008	Saragossa, Spain	/særəˈɡɒsə/	WGPSN

The adjectival form of Roncevaux is Roncesvallian.

Craters

Named impact craters are:

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Abisme	[ ⚑ ] 37.53°N 267.08°W / 37.53; -267.08	767.74	August 16, 2013	A Saracen lord, killed by Archbishop Turpin		WGPSN
Acelin	[ ⚑ ] 42.7°N 154.9°W / 42.7; -154.9	38.0	August 5, 2008	Aceline of Gascony		WGPSN
Adelroth	[ ⚑ ] 6.6°N 183.6°W / 6.6; -183.6	57.0	August 5, 2008	Marsilion's nephew		WGPSN
Almeric	[ ⚑ ] 53.4°N 276.0°W / 53.4; -276.0	43.0	1982	Almeric, one of the Twelve Peers		WGPSN
Anseïs	[ ⚑ ] 40.7°S 290.8°W / -40.7; -290.8	48.0	August 5, 2008	One of the Twelve Peers		WGPSN
Astor	[ ⚑ ] 14.9°N 321.2°W / 14.9; -321.2	122.0	August 5, 2008	A French baron		WGPSN
Baligant	[ ⚑ ] 16.4°N 224.9°W / 16.4; -224.9	66.0	1982	Baligant		WGPSN
Basan	[ ⚑ ] 33.3°N 194.7°W / 33.3; -194.7	76.0	1982	Bason		WGPSN
Basbrun	[ ⚑ ] 52.0°S 111.8°W / -52.0; -111.8	80.0	August 5, 2008	Charlemagne's officer		WGPSN
Basile	[ ⚑ ] 0.7°S 187.9°W / -0.7; -187.9	6.0	August 5, 2008	French baron		WGPSN
Berenger	[ ⚑ ] 62.1°N 219.7°W / 62.1; -219.7	84.0	1982	Bérengier		WGPSN
Besgun	[ ⚑ ] 76.0°N 309.8°W / 76.0; -309.8	56.0	1982	Besgun		WGPSN
Bevon	[ ⚑ ] 70.7°N 93.0°W / 70.7; -93.0	48.0	August 5, 2008	French baron		WGPSN
Bramimond	[ ⚑ ] 38.0°N 178.0°W / 38.0; -178.0	200.0	August 5, 2008	Bramimonde		WGPSN
Charlemagne	[ ⚑ ] 55.0°N 258.8°W / 55.0; -258.8	95.0	1982	Charlemagne	/ˈʃɑːrlɪmeɪn/	WGPSN
Clarin	[ ⚑ ] 18.3°N 71.6°W / 18.3; -71.6	84.0	August 5, 2008	Saracen lord		WGPSN
Climborin	[ ⚑ ] 30.4°N 116.9°W / 30.4; -116.9	49.0	August 5, 2008	Saracen lord		WGPSN
Corsablis	[ ⚑ ] 0.9°N 114.2°W / 0.9; -114.2	73.0	August 5, 2008	Saracen lord		WGPSN
Dapamort	[ ⚑ ] 36.6°N 84.9°W / 36.6; -84.9	49.0	August 5, 2008	Saracen king		WGPSN
Engelier	[ ⚑ ] 40.5°S 264.7°W / -40.5; -264.7	504.0	August 5, 2008	One of the Twelve Peers		WGPSN
Escremiz	[ ⚑ ] 1.6°N 173.5°W / 1.6; -173.5	0.06	August 5, 2008	Escremiz of Valterne		WGPSN
Eudropin	[ ⚑ ] 0.9°N 220.7°W / 0.9; -220.7	42.0	August 5, 2008	Saracen lord		WGPSN
Falsaron	[ ⚑ ] 33.8°N 82.6°W / 33.8; -82.6	424.0	August 5, 2008	Brother of King Marsilion		WGPSN
Ganelon	[ ⚑ ] 44.3°S 19.8°W / -44.3; -19.8	230.0	August 5, 2008	Ganelon		WGPSN
Garlon	[ ⚑ ] 3.2°S 240.5°W / -3.2; -240.5	47.0	August 5, 2008	Saracen lord		WGPSN
Geboin	[ ⚑ ] 58.6°N 173.4°W / 58.6; -173.4	81.0	1982	Geboin		WGPSN
Gerin	[ ⚑ ] 45.6°S 233.0°W / -45.6; -233.0	445.0	August 5, 2008	One of the Twelve Peers		WGPSN
Godefroy	[ ⚑ ] 71.9°N 249.1°W / 71.9; -249.1	63.0	1982	Godefroy		WGPSN
Grandoyne	[ ⚑ ] 17.7°N 214.5°W / 17.7; -214.5	65.0	1982	Grandoyne		WGPSN
Hamon	[ ⚑ ] 10.6°N 270.0°W / 10.6; -270.0	96.0	1982	Hamon		WGPSN
Ivon	[ ⚑ ] 18.0°N 315.0°W / 18.0; -315.0	100.0	August 5, 2008	One of the Twelve Peers		WGPSN
Johun	[ ⚑ ] 12.4°N 83.4°W / 12.4; -83.4	64.0	August 5, 2008	Johun of Outremer; Saracen lord		WGPSN
Jurfaleu	[ ⚑ ] 13.0°N 2.5°W / 13.0; -2.5	107.0	August 5, 2008	Son of Marsilion		WGPSN
Lorant	[ ⚑ ] 65.2°N 159.8°W / 65.2; -159.8	44.0	1982	Lorant		WGPSN
Malprimis	[ ⚑ ] 15.2°S 118.2°W / -15.2; -118.2	377.0	August 5, 2008	Saracen lord		WGPSN
Malun	[ ⚑ ] 5.9°N 41.3°W / 5.9; -41.3	121.0	August 5, 2008	Saracen lord		WGPSN
Margaris	[ ⚑ ] 27.7°N 135.8°W / 27.7; -135.8	75.0	August 5, 2008	Saracen lord		WGPSN
Marsilion	[ ⚑ ] 39.2°N 176.1°W / 39.2; -176.1	136.0	1982	Marsilion	/mɑːrˈsɪliən/	WGPSN
Matthay	[ ⚑ ] 3.5°S 187.4°W / -3.5; -187.4	58.0	August 5, 2008	Saracen lord		WGPSN
Milon	[ ⚑ ] 67.9°N 207.2°W / 67.9; -207.2	119.0	1982	Milon		WGPSN
Naimon	[ ⚑ ] 9.3°N 329.3°W / 9.3; -329.3	244.0	August 5, 2008	Naimon		WGPSN
Nevelon	[ ⚑ ] 33.2°S 197.0°W / -33.2; -197.0	49.0	August 5, 2008	Shares command of Charlemagne's sixth division		WGPSN
Ogier	[ ⚑ ] 42.5°N 275.1°W / 42.5; -275.1	100.0	1982	Ogier the Dane		WGPSN
Oliver	[ ⚑ ] 62.5°N 200.8°W / 62.5; -200.8	113.0	1982	Olivier	/ˈɒlɪvər/	WGPSN
Othon	[ ⚑ ] 33.3°N 347.8°W / 33.3; -347.8	86.0	1982	Othon		WGPSN
Pinabel	[ ⚑ ] 39.0°S 33.0°W / -39.0; -33.0	83.0	August 5, 2008	Pinabel		WGPSN
Priamon	[ ⚑ ] 1.5°N 187.0°W / 1.5; -187.0	17.0	August 5, 2008	Saracen lord		WGPSN
Rabel	[ ⚑ ] 64.4°S 166.2°W / -64.4; -166.2	91.0	August 5, 2008	French baron	/ˈræbəl/	WGPSN
Roland	[ ⚑ ] 73.3°N 25.2°W / 73.3; -25.2	144.0	1982	Roland	/ˈroʊlənd/	WGPSN
Rugis	[ ⚑ ] 0.1°S 99.0°W / -0.1; -99.0	19.0	August 5, 2008	Saracen lord	/ˈruːdʒɪs/	WGPSN
Samson	[ ⚑ ] 6.5°N 298.6°W / 6.5; -298.6	33.0	August 5, 2008	One of the Twelve Peers	/ˈsæmsən/	WGPSN
Thierry	[ ⚑ ] 55.0°S 8.0°W / -55.0; -8.0	110.0	August 5, 2008	French knight, friend of Roland		WGPSN
Tibbald	[ ⚑ ] 57.0°N 358.0°W / 57.0; -358.0	160.0	August 5, 2008	Tibbald of Reims	/ˈtɪbəld/	WGPSN
Timozel	[ ⚑ ] 9.9°S 212.3°W / -9.9; -212.3	58.0	August 5, 2008	Saracen lord		WGPSN
Torleu	[ ⚑ ] 0.2°S 188.4°W / -0.2; -188.4	8.0	August 5, 2008	Leader in Baligant's army		WGPSN
Turgis	[ ⚑ ] 16.9°N 28.4°W / 16.9; -28.4	580.0	August 5, 2008	Saracen baron	/ˈtɜːrdʒɪs/	WGPSN
Turpin	[ ⚑ ] 47.7°N 1.4°W / 47.7; -1.4	87.0	1982	Turpin	/ˈtɜːrpɪn/	WGPSN
Valdebron	[ ⚑ ] 29.6°N 104.4°W / 29.6; -104.4	49.0	August 5, 2008	Saracen lord		WGPSN

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