Last Updated
：2025/12/06
Ecca
Proper noun
Japanese Meaning
南アフリカにおける地質層の区分の一つで、カルー・スーパーグループの主要なサブ区分の二番目にあたる。Dwyka Groupに続いており、一部地域では古い基盤岩の上に不整合に重なって出現する地層を指す。
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(geology) The second of the main subdivisions of the Karoo Supergroup of geological strata in southern Africa. It mainly follows conformably after the Dwyka Group in some sections, but in some localities overlying unconformably over much older basement rocks.
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Ecca
Field teams mapping the Karoo Supergroup collected fresh samples from Ecca to date the shift from glacial Dwyka deposits to younger sedimentary layers.
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Field teams mapping the Karoo Supergroup collected fresh samples from Ecca to date the shift from glacial Dwyka deposits to younger sedimentary layers.
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