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The California Geological Survey has had many names over its history. The original Geological Survey of California was replaced in April 1880 by the new California State Mining Bureau. This was renamed the Division of Mines in 1927. In 1962 the division's name was expanded to be California Division of Mines and Geology, a name that lasted until ...
The Surface Mining and Reclamation Act of 1975 (SMARA) gave the Department of Conservation responsibilities related to reclamation of mined lands. Initially these responsibilities were allocated to the Division of Mines and Geology, working in concert with the State Mining and Geology Board and local governments.
Parent department. Department of the Interior. For most of the 20th century, the United States Bureau of Mines ( USBM) was the primary United States government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. The Bureau was abolished in 1996.
The Department of Mines and Geology has discovered large bodies of Kimberlite intrusion in northern Lesotho. These are reported as 405 kimberline bodies constituted by 30 pipes, 343 dykes, and 23 blows (dyke enlargements), which amounts to one Kimberlite body per 21 square kilometres (8.1 sq mi) area of the country. There are also smaller ...
Mining industry of Cameroon. Despite being a mineral rich country, Cameroon has only recently begun to investigate mining on an industrial scale. Strong metal and industrial mineral prices since 2003 have encouraged companies to develop mines here. The terrain mainly consists of granite-rich ground with areas of ultramafic rocks that are ...
Systematic geological mapping and mineral exploration were done by the Nepal Bureau of Mines that was established in 1961 and Nepal Geological Survey that was established in 1967. These two organizations were combined in 1977 and renamed as Department of Mines and Geology (DMG). Mineral exploration activities were in peak during 1969 – 1984.
The Arizona Department of Mines and Mineral Resources (ADMMR) is a state government agency in the U.S. state of Arizona that has the purpose of promoting and developing the state's mineral resources . The department was established in 1939 as the Arizona Department of Mineral Resources. [1]
Mining in the engineering discipline is the extraction of minerals from the ground. Mining engineering is associated with many other disciplines, such as mineral processing, exploration, excavation, geology, metallurgy, geotechnical engineering and surveying. A mining engineer may manage any phase of mining operations, from exploration and ...