page_title: Symonston, Australian Capital Territory
section_title: Geology
hierarchical_section_title: Symonston, Australian Capital Territory / Geology
caption_attribution_description: English: Geoscience Australia headquarters located in the Canberra suburb of Symonston.
context_page_description: Symonston is a primarily industrial and agricultural suburb of Canberra, Australian Capital Territory, Australia. Symonston is named after Sir Josiah Symon a Legislator, Federalist and one of the Founders of the Constitution of Australia.
  Located in Symonston are the Periodic Detention Centre and Symonston Temporary Remand Centre and three caravan parks: Canberra South Motor Park, Sundown Village and Narrabundah Longstay Caravan Park. Geoscience Australia has its headquarters in Symonston, as does the Therapeutic Goods Administration.
context_section_description: Rocks in Symonston are from the Silurian age Mount Painter Volcanics dark grey to green grey dacitic tuff underlies most of Symonston. Narrabundah Ashstone Member is found in the northern corner near the motor park. Canberra Formation, calcareous shale found to the east of the ashstone. Further to the east and over to Harman is found the dacitic andesite of the Ainslie Volcanics. An unnamed coarse leucogranite has a small out crop east of Jerrabomberra creek.
  Geoscience Australia is the Australian Government organisation tasked with supplying scientific information and knowledge about the geography and geology of Australia. It has information about the geology of the whole of Australia including Canberra.
caption: Geoscience Australia in Symonston
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