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A quartz vein, prominent from the surrounding weathered rock at Cape Jervis, South Australia. Open space filling is the hallmark of epithermal vein systems, such as a stockwork, in greisens or in certain skarn environments.
Crawford is an impact crater near Adelaide in South Australia, Australia. The Crawford crater is up to 8.5 km long, and is thought to have been formed by oblique (low angle) impact. Its age is estimated to be greater than 35 million years (probably Eocene). Quartz rocks affected by impact-related pressure are present at the site, which is a ...
Acraman impact structure is a deeply eroded impact crater in the Gawler Ranges of South Australia. [1] Its location is marked by Lake Acraman, a circular ephemeral playa lake about 20 kilometres (12 mi) in diameter.
Gully erosion in the Warren Catchment east of Adelaide in the Mount Lofty Ranges 1992. South Australia is an Australian state, situated in the southern central part of the country, and featuring some low-lying mountain ranges, the most significant being the Mount Lofty Ranges, which extend into the state's capital city, Adelaide, which comprises most of the state's population.
Caroona Creek Conservation Park is a protected area located in the Australian state of South Australia in the localities of Collinsville and Mount Bryan East about 173 kilometres (107 mi) north-east of the state capital of Adelaide and about 19 kilometres (12 mi) east of the town of Hallett.
Quartz reef breaking the surface at Paynes Find, Western Australia. Quartz reef mining is a type of gold mining in "reefs" (veins [1]) of quartz.Quartz is one of the most common minerals in the Earth's crust, and most quartz veins do not carry gold, but those that have gold are avidly hunted by prospectors.
The Adelaide Superbasin [1] (previously known as the Adelaide Geosyncline [2] [3] [4] and Adelaide Rift Complex [5]) is a major Neoproterozoic to middle Cambrian geological province in central and south-east South Australia, western New South Wales, and western Victoria.
Fossil Spriggina; one of the many fossils found at the Ediacara Hills. Ediacara Hills (/ ˌ iː d i ˈ æ k ər ə / EE-dee-AK-ər-ə), also known as Ediacaran Hills, are a range of low hills in the northern part of the Flinders Ranges of South Australia, around 650 kilometres (400 mi) north of the state capital of Adelaide.