Bonneville (crater)

Crater on Mars

14°36′S 175°30′E / 14.6°S 175.5°E / -14.6; 175.5QuadrangleAeolisDiameter210 mDepth14 mDiscovererSpirit roverEponymLake Bonneville

Bonneville is an impact crater on Mars. It is located within the much larger crater Gusev. Bonneville was visited by the Mars Exploration Rover Spirit in 2004, during its exploration of the floor of Gusev. Bonneville is also the final resting place of Spirit's heat shield, jettisoned during the landing procedure; the heat-shield could be seen glinting on the opposite wall when Spirit photographed the crater. The crater is 210 metres in diameter, 14 meters deep and its rim rises 6.4 metres above the surrounding terrain.^[1]

Bonneville is named after Benjamin Bonneville and Lake Bonneville, an ancient lake in Utah.

Formation and geology

The strata into which Bonneville formed is thought to be loose debris,^{[citation needed]} although some of the ejecta may have originated from more competent rocks. No underlying bedrock was exposed in the crater or the numerous craterlets in Bonneville's walls. The crater is relatively pristine and in particular has not been affected by water based erosion.^[1]^[2]

It is likely that Bonneville is a secondary crater, given its low depth to diameter ratio.^[1]

Panorama view of Bonneville crater, the Columbia Hills to the right, the heatshield visible at the horizon. This image was made from multiple images recorded in March 2004 by the rover using 750 nanometers, 530 nanometers, and 480 nanometers filters

References

^ ^a ^b ^c Squyres; et al. (2004). "Surficial Deposits at Gusev Crater Along Spirit Rover Traverses". Science. 305 (5685): 807–810. Bibcode:2004Sci...305..807G. doi:10.1126/science.1099849. PMID 15297659. S2CID 16210973.{{cite journal}}: CS1 maint: numeric names: authors list (link)
^ Golombek; et al. "Surfical geology of the Spirit rover traverse in Gusev Crater: dry and desiccating since the Hesperian" (PDF). Retrieved 2008-04-24.

External links

Official Mars Rovers site
NASA Astronomy Picture of the Day: Spirit Pan from Bonneville Crater's Edge (18 March 2004)

Geography and geology of Mars

Cartography

Regions	Abalos Undae Aspledon Undae Arabia Terra Cerberus Cydonia Eridania Lake Hyperboreae Undae Ogygis Undae Olympia Undae Planum Australe Planum Boreum Quadrangles Sinus Meridiani Siton Undae Tempe Terra Terra Cimmeria Terra Sabaea Tharsis Vastitas Borealis
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Geology

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Topography

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Plains, plateaus	Acidalia Planitia Aeolis Palus Amazonis Planitia Arcadia Planitia Argyre Planitia Chryse Planitia Daedalia Planum Elysium Planitia Eridania Planitia Hellas Planitia Hesperia Planum Icaria Planum Isidis Planitia Lunae Planum Meridiani Planum Oxia Planum Planum Australe Planum Boreum Syria Planum Syrtis Major Planum Utopia Planitia Eden Patera Orcus Patera Peneus Patera Pityusa Patera
Canyons, valleys	Aram Chaos Arsia Chasmata Aromatum Chaos Atlantis Chaos Aureum Chaos Candor Chasma Chasma Boreale Coprates Chasma Echus Chasma Eos Chaos Eos Chasma Galaxias Chaos Ganges Chasma Gorgonum Chaos Hebes Chasma Hydaspis Chaos Hydraotes Chaos Iani Chaos Ister Chaos Ius Chasma Juventae Chasma Melas Chasma Ophir Chasma Tithonium Chasma List of valles Apsus Ares Arnus Asopus Athabasca Auqakuh Bahram Buvinda Dao Enipeus Frento Granicus Green Valley Harmakhis Hebrus Her Desher Hrad Huo Hsing Hypanis Iberus Indus Ituxi Kasei Labou Ladon Lethe Licus Louros Maʼadim Mad Maja Mamers Mangala Marineris Labes Marte Maumee Mawrth Minio Naktong Nanedi Niger Nirgal Padus Paraná Patapsco Peace Rahway Ravi Reull Sabis Sabrina Samara Scamander Shalbatana Simud Stura Tader Tinia Tinjar Tiu Tyras Uzboi ULM Vedra Verde Warrego
Fossae, mensae, rupes, labyrinthi	Amenthes Fossae Ceraunius Fossae Cerberus Fossae Coloe Fossae Cyane Fossae Elysium Fossae Hephaestus Fossae Icaria Fossae Labeatis Fossae Mangala Fossa Mareotis Fossae Medusae Fossae Memnonia Fossae Nili Fossae Olympica Fossae Oti Fossae Sirenum Fossae Tantalus Fossae Tempe Fossae Tithonium Fossae Tractus Fossae Ulysses Fossae Aeolis Mensae Ausonia Mensa Capri Mensa Cydonia Mensae Deuteronilus Mensae Ganges Mensa Nilosyrtis Mensae Protonilus Mensae Sacra Mensa Claritas Rupes Nilokeras Scopulus Olympus Rupes Rupes Tenuis Angustus Labyrinthus Noctis Labyrinthus
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v t e Features on Mars visited by Spirit
List of surface features of Mars visited by Spirit and Opportunity
Craters	Bonneville crater Gusev crater Thira crater
Rocks (list)	Adirondack Home Plate Humphrey Pot of Gold
Other	Larry's Lookout Sleepy Hollow
Mars Exploration Rover Timeline of Spirit