Trou au Natron
E741518
Trou au Natron is a large volcanic caldera in northern Chad, notable for its steep walls, salt deposits, and association with the Tibesti Mountains’ volcanic field.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
volcanic caldera ⓘ |
| accessDifficulty | remote and difficult to access ⓘ |
| calderaDepth | approximately 700–1000 metres ⓘ |
| climate | hyper-arid Sahara Desert climate ⓘ |
| composition | predominantly volcanic rocks ⓘ |
| continent | Africa ⓘ |
| country | Chad ⓘ |
| currentStatus | dormant volcano ⓘ |
| diameter | approximately 6–8 kilometres ⓘ |
| drainage | endorheic basin ⓘ |
| elevation | approximately 2300–2400 metres above sea level (rim) ⓘ |
| eruptionStyle | phreatomagmatic and explosive phases in the past ⓘ |
| floorElevation | approximately 1300–1500 metres above sea level ⓘ |
| floorType | salt-encrusted basin ⓘ |
| formationProcess | collapse of a large volcanic edifice ⓘ |
| geologicalAge |
Holocene activity
ⓘ
Quaternary NERFINISHED ⓘ |
| geologicalSignificance | one of the major calderas of the Tibesti Mountains ⓘ |
| hasFeature |
alkaline flats
ⓘ
fumarolic activity ⓘ internal volcanic cones on caldera floor ⓘ nested cones and vents ⓘ radial gullies on caldera walls ⓘ salt deposits ⓘ steep caldera walls ⓘ |
| hasResearchInterest |
Quaternary volcanism in the Sahara
ⓘ
paleoclimate reconstruction from evaporite deposits ⓘ |
| languageOfToponym | French ⓘ |
| locatedIn |
Tibesti Mountains
NERFINISHED
ⓘ
central Sahara Desert ⓘ northern Chad NERFINISHED ⓘ |
| nameMeaning | "natron hole" in French ⓘ |
| near |
Emi Koussi
NERFINISHED
ⓘ
Tarso Toussidé volcanic complex NERFINISHED ⓘ |
| notableFor |
association with Tibesti Mountains volcanic activity
ⓘ
prominent white salt floor visible from space ⓘ steep, amphitheatre-like walls ⓘ |
| partOf | Tibesti volcanic field NERFINISHED ⓘ |
| region | Borkou-Ennedi-Tibesti region NERFINISHED ⓘ |
| surfaceDeposits |
evaporites
ⓘ
natron-bearing sediments ⓘ sodium carbonate-rich salts ⓘ |
| tectonicSetting | intraplate volcanic field in central Sahara ⓘ |
| tourism | rarely visited desert volcano destination ⓘ |
| usedFor | traditional salt extraction ⓘ |
| volcanicProvince | Tibesti volcanic province NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.