Neoarchean-Early Paleoproterozoic and Early Neoproterozoic arc magmatism in the Lützow-Holm Complex, East Antarctica: Insights from petrology, geochemistry, zircon U-Pb geochronology and Lu-Hf isotopes
详细信息 查看全文
- 作者：Toshiaki Tsunogaea ; b ; tsunogae@geol.tsukuba.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Qiong-Yan Yangc ; d ; M. Santoshd ; c
- 关键词：Geochemistry ; Zircon U&ndash ; Pb geochronology ; Lu&ndash ; Hf isotopes ; Neoarchean ; Arc magmatism ; Lü ; tzow&ndash ; Holm Complex
- 刊名：Lithos
- 出版年：2016
- 出版时间：15 October 2016
- 年：2016
- 卷：263
- 期：Complete
- 页码：239-256
- 全文大小：4242 K
文摘
- •
Volcanic arc affinity for charnockite and felsic gneiss from the Lützow–Holm Complex
- •
Upper intercept ages of 2508–2490 Ma suggesting a Neoarchean arc magmatic event
- •
Magma derivation from Meso- to Neoarchean juvenile components mixed with reworked crustal materials
- •
551–584 Ma high-grade metamorphism related to a collisional event during Gondwana amalgamation
- •
Fragments of Neoarchean and Early Neoproterozoic juvenile magmatic arcs in the complex