Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Victoria, Australia
Latitude: 38°24'S
Longitude: 141°38'E
Cainozoic basalt quarry (K-Ar age: 3.20-2.83 Ma).
Located 6 km south of Portland.
Ref.:
- Aziz-ur-Rahman & McDougall, I. (1972): Potassium–argon ages on the Newer Volcanics of Victoria. Proceedings of the Royal Society of Victoria 85, 61-69.
- Gibson, D.L. (2007): Potassium–argon ages of late mesozoic and cainozoic igneous rocks of Eastern Australia. CRC LEME (Cooperative Research Centre for Landscape Environments and Mineral Exploration) Open File Report 193, 1-53.
Mineral List
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