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the claim
The dark areas on the Moon are basaltic plains formed by ancient volcanic eruptions.
the verdict
SUPPORTED
the evidence backs this
confidence 86/100

The dark areas on the Moon, known as lunar maria, are extensive basaltic plains created by ancient volcanic activity.

Evidence for · 4
Characteristics of the lunar samples returned by the Chang'E-5 mission.
2022 · cited by 55
Chang'E-5 lunar samples from mare regions confirm that the dark plains consist largely of basaltic fragments.
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More for · 3
Lunar farside volcanism 2.8 billion years ago from Chang'e-6 basalts.
2025 · cited by 29
Analyses of Chang'e-6 basalts provide chronological and compositional evidence of extensive basaltic volcanism across the lunar surface.
Lunar Mare versus terrestrial mid‐ocean ridge basalts: Planetary constraints on basaltic volcanism
1978 · cited by 17
Comparisons between lunar mare basalts and terrestrial equivalents demonstrate that the dark lunar areas are composed of volcanic mare basalts.
Fusible mantle cumulates trigger young mare volcanism on the cooling Moon.
2022 · cited by 11
Simulations and sample analyses confirm that late lunar volcanism formed the basaltic plains found in the dark mare regions.
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first checked01 Aug 2026
judged → SUPPORTED · 8601 Aug 2026
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