Citadel Island
Encyclopedia
Citadel Island is a small, rugged, granite
island
in the Glennie group of islands off the west coast of Wilsons Promontory
, Victoria, Australia
. It is the site of the first automatic acetylene
powered lighthouse
installed by Australia’s Commonwealth
Lighthouse Service. There is no public access. The island is part of the Wilsons Promontory Islands Important Bird Area
, identified as such by BirdLife International
because of its importance for breeding seabird
s.
cabinet while the light was converted to solar power. The old lantern was dismantled in 1992 and removed to Port Albert
, where it was restored for display at the Port Albert Maritime Museum in 2004.
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...
island
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...
in the Glennie group of islands off the west coast of Wilsons Promontory
Wilsons Promontory
Wilsons Promontory is a peninsula that forms the southernmost part of the Australian mainland and is located at . South Point at is the southernmost tip of Wilsons Promontory and hence of mainland Australia...
, Victoria, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
. It is the site of the first automatic acetylene
Acetylene
Acetylene is the chemical compound with the formula C2H2. It is a hydrocarbon and the simplest alkyne. This colorless gas is widely used as a fuel and a chemical building block. It is unstable in pure form and thus is usually handled as a solution.As an alkyne, acetylene is unsaturated because...
powered lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....
installed by Australia’s Commonwealth
Government of Australia
The Commonwealth of Australia is a federal constitutional monarchy under a parliamentary democracy. The Commonwealth of Australia was formed in 1901 as a result of an agreement among six self-governing British colonies, which became the six states...
Lighthouse Service. There is no public access. The island is part of the Wilsons Promontory Islands Important Bird Area
Wilsons Promontory Islands Important Bird Area
The Wilsons Promontory Islands Important Bird Area comprises a loose cluster of 19 small, granite islands, with a collective area of 658 ha, scattered around Wilsons Promontory in the state of Victoria, south-eastern Australia. The three southernmost islands are part of the state of Tasmania...
, identified as such by BirdLife International
BirdLife International
BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...
because of its importance for breeding seabird
Seabird
Seabirds are birds that have adapted to life within the marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent evolution, as the same environmental problems and feeding niches have resulted in similar adaptations...
s.
Lighthouse
The lighthouse was built in 1913. In 1982, it replaced by a GRPGlass-reinforced plastic
Fiberglass , is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass. It is also known as GFK ....
cabinet while the light was converted to solar power. The old lantern was dismantled in 1992 and removed to Port Albert
Port Albert, Victoria
Port Albert is a coastal town in Victoria, Australia, on the coast of Corner Inlet on the Yarram - Port Albert Road, kilometres south-east of Morwell, kilometres south-east of Melbourne, in the Shire of Wellington. At the 2006 census, Port Albert had a population of 248.Port Albert was one of the...
, where it was restored for display at the Port Albert Maritime Museum in 2004.