Imbrian period

E867322

The Imbrian period is a major lunar geologic era characterized by extensive mare volcanism and large impact basins that shaped much of the Moon’s visible surface.

All labels observed (3)

Label Occurrences
Imbrian period canonical 6
Imbrian 2
Imbrian period (approximate) 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf lunar geologic era ⓘ
lunar geologic period ⓘ
associatedWith Imbrium basin formation ⓘ
Orientale basin formation ⓘ
characterizedBy extensive mare volcanism ⓘ
formation of large impact basins ⓘ
widespread basaltic lava flooding ⓘ
correlatesWith heavy bombardment tail end in inner Solar System ⓘ
definedBy lunar impact stratigraphy ⓘ
radiometric age dating of lunar samples ⓘ
distinguishedFrom Copernican period ⓘ
Eratosthenian period ⓘ
Nectarian period ⓘ
Pre-Nectarian period ⓘ
EarlyImbrianApproximateAgeRange 3.85–3.8 billion years ago ⓘ
evidenceFrom Apollo mission rock samples ⓘ
lunar meteorites ⓘ
follows Nectarian period ⓘ
hasApproximateEndAge 3.2 billion years ago ⓘ
hasApproximateStartAge 3.85 billion years ago ⓘ
hasImpactCrateringActivity declining compared to earlier periods ⓘ
hasKeyBasin Crisium basin ⓘ
Humorum basin ⓘ
Imbrium basin ⓘ
Nubium basin ⓘ
Orientale basin ⓘ
Serenitatis basin ⓘ
linked to: Serenitatis Basin

Tranquillitatis basin ⓘ
hasSubdivision Early Imbrian ⓘ
Late Imbrian ⓘ
hasVolcanicActivity peak mare basalt eruptions ⓘ
includesEvent formation of Mare Imbrium ⓘ
formation of major lunar maria ⓘ
includesTerrainType mare plains ⓘ
ringed impact basins ⓘ
LateImbrianApproximateAgeRange 3.8–3.2 billion years ago ⓘ
mappedUsing lunar orbital imagery ⓘ
namedAfter Mare Imbrium ⓘ
occursOn Moon ⓘ
partOf geologic history of the Moon ⓘ
precedes Eratosthenian period ⓘ
recognizedBy International Commission on Stratigraphy for the Moon ⓘ
shaped much of the Moon’s visible surface ⓘ
startAfter Nectaris basin formation ⓘ
usedIn lunar stratigraphic classification ⓘ
visibleOn near side of the Moon ⓘ

How these facts were elicited

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mare Imbrium → age → Imbrian period ⓘ
Ocean of Storms → formedDuring → Imbrian period ⓘ
Mare Insularum → formedIn → Imbrian period ⓘ
Imbrium Basin ejecta zone → formedDuring → Imbrian period ⓘ
Palus Putredinis → hasGeologicalAge → Imbrian period (approximate) ⓘ
linked to: Imbrian period
Apennine Mountains (Moon) → geologicalAge → Imbrian ⓘ
linked to: Imbrian period
Montes Carpatus → hasGeologicalAge → Imbrian ⓘ
linked to: Imbrian period
Ocean of Storms → geologicalAge → Imbrian period ⓘ
subject linked to: Ocean of Storms on Moon
Sea of Knowledge → geologicalAge → Imbrian period ⓘ