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The Great Artesian Basin (GAB) [1] of Australia is the largest and deepest artesian basin in the world, extending over 1,700,000 square kilometres (660,000 sq mi). Measured water temperatures range from 30 to 100 °C (86 to 212 °F).
The Great Artesian Basin lies atop a layer of marine sandstone that formed the bottom of the inland Eromanga Sea. The Eromanga Sea was an inland sea across the Australian continent that formed in the Early Cretaceous. The sea extended from the Eromanga Basin northward to the Carpentarian Basin.
Elizabeth Springs is one of a suite of nationally important artesian springs in the Great Artesian Basin, which is the world's largest artesian basin. The artesian springs have been the primary natural source of permanent water in most of the Australian arid zone over the last 1.8 Million years (the Pleistocene and Holocene periods). These ...
The Eromanga Basin is a large Mesozoic sedimentary basin in central and northern Australia. It covers parts of Queensland, the Northern Territory, South Australia, and New South Wales, and is a major component of the Great Artesian Basin. The Eromanga Basin covers 1,000,000 km 2 [1] and overlaps part of the Cooper Basin.
Part of the Great Artesian Basin is along the northern border of New South Wales and also extends north into Queensland. This is also known as Surat Basin. It occupies one fifth of the state of New South Wales. The eastern border extends from Bebo to Narrabri to Murrurundi to Dunedoo to Narromine. The basin was formed in the Jurassic and ...
The Precipice Sandstone is one of the primary intake beds for the Great Artesian Basin, giving the area where it lies exposed significance as a replenishment zone. Below the Precipice Sandstone, the Gorge's floor is formed by the uppermost layer of the Bowen Basin, the Moolayember Formation. The impermeability of this layer allows the water ...
The Eumeralla Formation of Dinosaur Cove and the Wonthaggi Formation in Victoria, Australia, contain a number of dinosaur fossils and tracks from the Early Cretaceous. The Tahora Formation represents the reptile assemblage of Cretaceous New Zealand. [7] The Great Artesian Basin is a remnant of the inland Eromanga Sea
The track follows a traditional Australian Aboriginal trading route. Along the track are numerous springs feeding water from the Great Artesian Basin, the most accessible examples being the mound springs near Coward Springs, now in the Wabma Kadarbu Mound Springs Conservation Park.