Last Updated
：2025/11/26
Oxfordian
Proper noun
Japanese Meaning
ジュラ紀後期の地層、特に約1億6350万年前から1億5730万年前の間に堆積した、主にサンゴ由来の石灰岩層を示す地質学上の時期またはその段階
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(geology) The age from 163.5±1.0 Ma to 157.3±1.0 Ma or the stage of rocks (chiefly coral-derived limestones) deposited during it.
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Oxfordian
Oxfordian coral-derived limestones exposed in the quarry reveal ancient reef structures and help reconstruct sea-level changes from the Late Jurassic.
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Oxfordian coral-derived limestones exposed in the quarry reveal ancient reef structures and help reconstruct sea-level changes from the Late Jurassic.
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