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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).
When trapped water in an aquifer is surrounded by layers of impermeable rock or clay, which apply positive pressure to the water, it is known as an artesian aquifer. [1] If a well were to be sunk into an artesian aquifer, water in the well-pipe would rise to a height corresponding to the point where hydrostatic equilibrium is reached.
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 Great Artesian Basin situated in Australia is arguably the largest groundwater aquifer in the world (over 1.7 million km 2 or 0.66 million sq mi). [23] It plays a large part in water supplies for Queensland, and some remote parts of South Australia.
The Great Artesian Basin in central and eastern Australia is one of the largest confined aquifer systems in the world, extending for almost 2 million km 2. By analysing the trace elements in water sourced from deep underground, hydrogeologists have been able to determine that water extracted from these aquifers can be more than 1 million years old.
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 ...
Indus Basin; Ganges-Brahmaputra Basin; West Siberian Basin; Tunguss Basin; Angara-Lena Basin; Yakut Basin; North China Aquifer System; Song-Liao Basin; Tarim Basin; Pechora Basin; Pretashkent Aquifer; Sambai oothu Aquifer (Karaikudi, India) Indo-Gangetic Aquifer System
Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.