Lonar Crater
Natural LandscapeDescription
Lonar Crater is a natural landscape in India, Asia. NASA Earth Observatory — Lonar Crater, India (2008) gives its chronology as “Lonar is a naturally formed geological impact structure. No numerical formation date is assigned here: the cited NASA article is from 2008, and its historical age estimate is not treated as an established current consensus.”
Lonar Crater in Maharashtra, India, is a lake-bearing impact crater excavated into the volcanic basalt of the Deccan Plateau. Its setting initially encouraged a volcanic explanation, but shock evidence supports a meteorite impact origin. NASA describes maskelynite, a glass produced by intense impact shock, among the evidence distinguishing the crater from an ordinary volcanic depression. The approximately 1.8-kilometre-wide basin provides a comparison with impacts into basaltic planetary surfaces. This entry does not adopt the older age estimate in NASA’s 2008 article as a settled modern date.
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Claims
Compare the published evidence and its interpretations. “Consensus” records the mainstream account; “Alternative” identifies a competing interpretation, not an equally established conclusion. Estimates and unresolved questions remain qualified in the claim text.
| Field | Consensus | Alternative |
|---|---|---|
| Date | Lonar is a naturally formed geological impact structure. No numerical formation date is assigned here: the cited NASA article is from 2008, and its historical age estimate is not treated as an established current consensus. AI-assisted sourced research and publication delegated by the owner; not individually manually reviewed by a human. • NASA Earth Observatory — Lonar Crater, India (2008) | No claims found. |
| Purpose | No claims found. | No claims found. |
| Method | The crater was produced by meteorite impact into Deccan basalt, not by a volcanic eruption. NASA identifies maskelynite among the shock evidence supporting the impact interpretation. AI-assisted sourced research and publication delegated by the owner; not individually manually reviewed by a human. • NASA Earth Observatory — Lonar Crater, India (2008) | No claims found. |
Age unavailable: no published consensus or alternative date exists for Lonar Crater, so no age, totals, or lifespan comparison is shown. CodexMira does not estimate dates for undated records.