Jones Island (South Australia)
 Jones Island
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| Geography | |
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| Location | Great Australian Bight |
| Coordinates | 33°11′05″S 134°21′59″E / 33.18481°S 134.3663°ECoordinates: 33°11′05″S 134°21′59″E / 33.18481°S 134.3663°E |
| Area | 8 ha (20 acres) |
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Australia
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Jones Island is an island in the Australian state of South Australia located at the mouth of Baird Bay in the north end of Anxious Bay about 45 kilometres (28 miles) south-southeast of the town of Streaky Bay on the west coast of Eyre Peninsula. The island is notable as a breeding site for Australian sea lions and Australian pelicans. The island has enjoyed protected area status since 1967 and as of 1972, it has been part of the Baird Bay Islands Conservation Park.
Jones Island is an island located at the northern end of Anxious Bay at the mouth of Baird Bay about 3.8 kilometres (2.4 miles) south of the town of Baird Bay and about 45 kilometres (28 miles) south-southeast of the town of Streaky Bay on the west coast of Eyre Peninsula in South Australia. The island is about 600 metres (2,000 feet) long with a maximum width of 400 metres (1,300 feet). The island is reported as having a perimeter consisting of “sharp cliffs” to its south eastern coast which is exposed to the ocean and a “ledge” on its sheltered north western side. Access to the island is reported as being weather dependant due to the absence of a suitable landing point (i.e. beach or inlet) on its sheltered side and the presence of adverse sea conditions caused by waves diffracted around its shoreline.
Jones Island was formed about 6000 years ago following the rise of sea levels at the start of the Holocene. Jones Island consists of a calcarenite layer over a granite base. It is reported as being the remnant of a “calcarenite wall that once held back the ocean from the low-lying valley to the north”. Jones Island is the permanently exposed part of a submerged reef system extending from the southern headland of Baird Bay across the south side of the mouth of the bay in a south-southwest direction for a distance of about 12 kilometres (7.5 miles).
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Wikipedia