Olivine-phyric basalt in the Mesoproterozoic Gawler silicic large igneous province, South Australia: Examples at the Olympic Dam Iron Oxide Cu-U-Au-Ag deposit and other localities
详细信息 查看全文
- 作者：Qiuyue Huanga ; Qiuyue.Huang@utas.edu.au" class="auth_mail" title="E-mail the corresponding author ; Vadim S. Kamenetskya ; Kathy Ehrigb ; Jocelyn McPhiea ; Maya Kamenetskya ; Ken Crossc ; Sebastien Meffrea ; Andrea Agangid ; Isabelle Chambeforta ; e ; Nicholas G. Direena ; Roland Maasf ; Olga Apukhtinaa
- 关键词：Gawler silicic large igneous province ; Olivine-phyric basalt ; Apatite-U&ndash ; Pb dating ; Cr-spinel ; Petrogenesis ; Olympic Dam
- 刊名：Precambrian Research
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：281
- 期：Complete
- 页码：185-199
- 全文大小：6244 K
文摘
- •
Olivine-rich basalts are found within the Gawler silicic large igneous province.
- •
Apatite U–Pb dating yielded Mesoproterozoic ages for the basalts in the province.
- •
Cr-spinel compositions implied primitive high-Ti and low-Ti melts.
- •
Whole-rock and Cr-spinel compositions indicated arc/back-arc and intraplate settings.