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Geological Age Data of the Ross Orogeny in the Terra Nova Intrusive Complex, Northern Victoria Land, Antarctica

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dc.contributor.authorYi, Sang Bong-
dc.contributor.authorLee, Mi Jung-
dc.date.accessioned2025-10-08T02:49:16Z-
dc.date.available2025-10-08T02:49:16Z-
dc.date.issued2025-03-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/16082-
dc.description.abstractThis study aims to establish the timing of the formation of the Terra Nova Intrusive Complex (TNIC), located in Terra Nova Bay, northern Victoria Land, Antarctica. The TNIC is paleogeographically situated inland of the Wilson Terrane of northern Victoria Land and was formed during the Paleozoic Ross Orogeny. This study obtained and compiled sensitive high-resolution ion microprobe zircon U-Pb ages for five intrusive bodies in the south-central part of the TNIC. The results clarify the formation age (about 530-470 Ma) of the TNIC and the interrelationships among the various intrusive units, especially those in the south-central region. The Confusion Intrusive Unit was emplaced at 520-515 Ma. The Russell Gabbro intruded into the Confusion Intrusive Unit at 501±3 Ma. Approximately at the same time (about 500 Ma), the Vegetation Intrusive Unit formed, followed by the Abbott Intrusive Unit at about 485 Ma. These findings provide valuable data for interpreting the geological development of the Antarctic Continent and the evolutionary history of the Ross Orogeny.en_US
dc.languageKoreanen_US
dc.subject.classificationJang Bogo Stationen_US
dc.titleGeological Age Data of the Ross Orogeny in the Terra Nova Intrusive Complex, Northern Victoria Land, Antarcticaen_US
dc.title.alternative남극 북빅토리아랜드 테라노바 관입암 복합체의 로스조산운동 지질 연령 데이터en_US
dc.typeArticleen_US
dc.identifier.bibliographicCitationYi, Sang Bong, Lee, Mi Jung. 2025. "Geological Age Data of the Ross Orogeny in the Terra Nova Intrusive Complex, Northern Victoria Land, Antarctica". <em>GEO DATA</em>, 7(1): 1-8.-
dc.citation.titleGEO DATAen_US
dc.citation.volume7en_US
dc.citation.number1en_US
dc.identifier.doi10.22761/GD.2025.0001-
dc.citation.startPage1en_US
dc.citation.endPage8en_US
dc.description.articleClassificationKCI등재-
dc.description.jcrRateJCR 2023:0en_US
dc.subject.keywordAntarcticaen_US
dc.subject.keywordNorthern Victoria Landen_US
dc.subject.keywordRoss Orogenyen_US
dc.subject.keywordTerra Nova Intrusive Complexen_US
dc.subject.keywordZircon U-Pb ageen_US
dc.identifier.localId2025-0048-
Appears in Collections  
2025-2025, 남극권 맨틀활동과 지체구조진화 연구 (25-25) / 박숭현 (PE25050)
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