Coolac is a village in the Riverina region of New South Wales, Australia in the Cootamundra-Gundagai Regional Council. At the , Coolac had a population of 244.
History
The name Coolac is derived from the local Aboriginal name for a plant which was abundant in the area, and also from the Aboriginal word meaning "native bear".
Coolac post office was opened on 1 June 1870. Coolac railway station was opened in June 1886, with the construction of a branch line from Cootamundra, which was eventually extended to Tumut. The station was closed in the 1970s.
The 11-kilometre section of the Hume Highway at Coolac was the last two-lane section of Hume Highway between Sydney and the Sturt Highway interchange. In the mid-1980s, plans were drawn-up for the Coolac bypass, and a review of environmental factors was completed in 1997. However, construction did not commence until May 2007 with the project completed in August 2009.$179 million Coolac Bypass officially opens ABC 2009 finish date for Hume Highway workWork begins on bypassing Hume Hwy black spot ABC Riverina Coolac Bypass AbigroupCoolac bypass construction officially begins Quote: "Mrs Hull said the project has been fully funded by the Australian Government at a cost of $179 million and the 12 kilometre bypass and four-kilometre highway upgrade is due to be open in November 2009. " ABC Riverina
Bald Archy The satirical Bald Archy art competition (a parody of the name of the more prestigious Archibald Prize), was inaugurated by Peter Batey in 1994 at the Coolac Festival of Fun. The home of the competition is now the Museum of the Riverina in Wagga Wagga, and it also travels to Sydney and Melbourne for exhibition once Maude the Cockatoo, the official judge, selects the winning entries each year.
Coolac Geological Site The Coolac Geological Site, north-east of Coolac, is the best-known example in Australia of a substantial ophiolite assemblage. The distinctive rock assemblage, covering , provides insights into events in the continental evolution of eastern Australia.Australian Government Department Transport and Regional Services, Segment 1.4 Wagga to Yass for example, abstract of article in GeoScience World Tectonic significance of 400 Ma zircon ages for ophiolitic rocks from the Lachlan fold belt, eastern Australia and an article in the Journal and Proceedings of the Royal Society of New South Wales entitled Hydrothermal Ca-Al Silicates in Ophiolitic Rocks near Coolac, N.S.W. The rocks were part of the oceanic crust and mantle, not normally exposed on the Earth's surface. The rock from the mantle is called Coolac Serpentinite.
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