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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 ...
A hobby is considered to be a regular activity that is done for enjoyment, typically during one's leisure time, not professionally and not for pay. Hobbies include collecting themed items and objects, engaging in creative and artistic pursuits, playing sports, or pursuing other amusements.
Collecting as a hobby can become hoarding or compulsive hoarding, differing in that covering a large amount of living area with possessions leads to significant distress or impairment. [10] Compulsive hoarding, also known as hoarding disorder, is a diagnosable mental disorder in the DSM-5 and is closely related to obsessive-compulsive disorder ...
Rather, it is the collectivist idea [2] that is at the fore in outdoor recreation, as outdoor recreation does not necessarily encompass the same degree of competitiveness or rivalry that is embodied in sporting matches or championships. Competition generally is less stressed than in organized individual or team sports.
Although stone skipping occurs at the air-water interface, surface tension has very little to do with the physics of stone-skipping. [4] Instead, the stones are a flying wing akin to a planing boat or Frisbee , generating lift from a body angled upwards and a high horizontal speed .