U-Pb and Hf isotope records in detrital and magmatic zircon from eastern and western Dharwar craton, southern India: Evidence for coeval Archaean crustal evolution
详细信息 查看全文
- 作者：B. Maibama ; bmaibam@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; A. Gerdesb ; J.N. Goswamic
- 关键词：Dharwar craton ; U&ndash ; Pb zircon geochronology ; Hf-isotopes ; Detrital zircon ; Archaean crustal evolution
- 刊名：Precambrian Research
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：275
- 期：Complete
- 页码：496-512
- 全文大小：3643 K
文摘
- •
U–Pb, Lu–Hf isotope data for Dharwar zircons presented.
- •
Ages of detrital zircons in both the EDC and WDC are comparable.
- •
Model Hf ages for the WDC zircons ranges from 3.1 to 3.45 Ga and for EDC 2.9–3.6 Ga.
- •
Juvenile crust formed between 3.2 and 3.6 Ga in both the blocks.