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Amateur geology or rock collecting (also referred to as rockhounding in the United States and Canada) is the non-professional study and hobby of collecting rocks and minerals or fossil specimens from the natural environment. [1] [2] In Australia, New Zealand and Cornwall, the amateur geologists call this activity fossicking. [3]
Fossicking can be done in remote locations with no facilities, or can be a part of a guided tour. Several small businesses in Australia have set up for the purpose of introducing new people to the activity or providing facilities for fossickers near the areas being searched.
Within Japan recreational gold fossicking can be carried out in Hokkaido, Yamanashi and Michinoku. [4] Within Hokkaido, placer gold can be found in the Usotan River, the Peichian River, the Yūbari River, and the Rekifune River. [5] The traditional gold pan used in Japan is a rectangular concave shaped pan called the Yuri-ita (揺り板). [6]
It is also known as fossicking. Traditionally prospecting relied on direct observation of mineralization in rock outcrops or in sediments. Modern prospecting also includes the use of geologic, geophysical, and geochemical tools to search for anomalies which can narrow the search area. Once an anomaly has been identified and interpreted to be a ...
The 3rd-century CE Latin writer Marcus Minucius Felix described children skipping shells on the beach. [2] In England, a 1583 text calls it "Ducks and Drakes". [ 3 ] An early explanation of the physics of stone-skipping was provided by Lazzaro Spallanzani in the 18th century.
A 4-metre (13 ft) shallower mine is located at TauTona in Carletonville, though plans are in place to begin work on an extension to the TauTona mine, bringing the total depth to over 3,900 metres (12,800 ft) and breaking the current record by 127 feet (39 m). [27] At these depths the temperature of the rocks is 140 °F (60 °C). [28]
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The hobby of collecting includes seeking, locating, acquiring, organizing, cataloging, displaying, storing, and maintaining items that are of interest to an individual collector. Collections differ in a wide variety of respects, most obviously in the nature and scope of the objects contained, but also in purpose, presentation, and so forth.