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.Iapetus, Gazetteer of Planetary Nomenclature
Craters
Named impact craters are:
Name Coordinates Diameter (km) Approval Date Namesake Pronunciation Refs Abisme 767.74 August 16, 2013 A Saracen lord, killed by Archbishop Turpin Acelin 38.0 August 5, 2008 Aceline of Gascony Adelroth 57.0 August 5, 2008 Marsilion's nephew Almeric 43.0 1982 Almeric, one of the Twelve Peers Anseïs 48.0 August 5, 2008 One of the Twelve Peers Astor 122.0 August 5, 2008 A French baron Baligant 66.0 1982 Baligant Basan 76.0 1982 Bason Basbrun 80.0 August 5, 2008 Charlemagne's officer Basile 6.0 August 5, 2008 French baron Berenger 84.0 1982 Bérengier Besgun 56.0 1982 Besgun Bevon 48.0 August 5, 2008 French baron Bramimond 200.0 August 5, 2008 Bramimonde Charlemagne 95.0 1982 Charlemagne Clarin 84.0 August 5, 2008 Saracen lord Climborin 49.0 August 5, 2008 Saracen lord Corsablis 73.0 August 5, 2008 Saracen lord Dapamort 49.0 August 5, 2008 Saracen king Engelier 504.0 August 5, 2008 One of the Twelve Peers Escremiz 0.06 August 5, 2008 Escremiz of Valterne Eudropin 42.0 August 5, 2008 Saracen lord Falsaron 424.0 August 5, 2008 Brother of King Marsilion Ganelon 230.0 August 5, 2008 Ganelon Garlon 47.0 August 5, 2008 Saracen lord Geboin 81.0 1982 Geboin Gerin 445.0 August 5, 2008 One of the Twelve Peers Godefroy 63.0 1982 Godefroy Grandoyne 65.0 1982 Grandoyne Hamon 96.0 1982 Hamon Ivon 100.0 August 5, 2008 One of the Twelve Peers Johun 64.0 August 5, 2008 Johun of Outremer; Saracen lord Jurfaleu 107.0 August 5, 2008 Son of Marsilion Lorant 44.0 1982 Lorant Malprimis 377.0 August 5, 2008 Saracen lord Malun 121.0 August 5, 2008 Saracen lord Margaris 75.0 August 5, 2008 Saracen lord Marsilion 136.0 1982 Marsilion Matthay 58.0 August 5, 2008 Saracen lord Milon 119.0 1982 Milon Naimon 244.0 August 5, 2008 Naimon Nevelon 49.0 August 5, 2008 Shares command of Charlemagne's sixth division Ogier 100.0 1982 Ogier the Dane Oliver 113.0 1982 Olivier Othon 86.0 1982 Othon Pinabel 83.0 August 5, 2008 Pinabel Priamon 17.0 August 5, 2008 Saracen lord Rabel 91.0 August 5, 2008 French baron Roland 144.0 1982 Roland Rugis 19.0 August 5, 2008 Saracen lord Samson 33.0 August 5, 2008 One of the Twelve Peers Thierry 110.0 August 5, 2008 French knight, friend of Roland Tibbald 160.0 August 5, 2008 Tibbald of Reims Timozel 58.0 August 5, 2008 Saracen lord Torleu 8.0 August 5, 2008 Leader in Baligant's army Turgis 580.0 August 5, 2008 Saracen baron Turpin 87.0 1982 Turpin Valdebron 49.0 August 5, 2008 Saracen lord
Montes A mons , pl. montes , is a mountain.
Name Coordinates Diameter (km) Approval Date Namesake Pronunciation Refs Carcassone Montes 740.0 August 5, 2008 Carcassonne, France Cordova Mons 85.0 August 5, 2008 Córdoba, Spain Gayne Mons 65.0 August 5, 2008 Gayne, Spain Haltile Mons 45.0 August 5, 2008 Haltile, Spain Seville Mons 69.0 August 5, 2008 Seville, Spain Sorence Mons 46.0 August 5, 2008 Castle of Pinabel Toledo Montes 1100.0 August 5, 2008 Toledo, Spain Tortelosa Montes 294.0 August 5, 2008 Tortelosa, Spain Valterne Mons 50.0 August 5, 2008 Valterne, Spain
Regiones
There is one named Iapetian regio (area of distinct albedo difference), Cassini:
Name Coordinates Diameter (km) Approval Date Namesake Pronunciation Refs Cassini Regio 0 1982 Giovanni Cassini, discoverer of Iapetus
Terrae
There are two named Iapetian terrae (large 'land' masses).
Name Coordinates Diameter (km) Approval Date Namesake Pronunciation Refs Roncevaux Terra 1284.0 1982 Battle of Roncevaux Pass Saragossa Terra 2300.0 August 5, 2008 Saragossa, Spain The adjectival form of Roncevaux is Roncesvallian.
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