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Quantitative mineral-resource assessments are defined as the numerical estimate of the amount, quality, and in some cases, value of undiscovered minerals (that is, metal or industrial mineral) present within a specified area (tract). Their purpose is to provide a framework for making decisions by governments or institutions concerning mineral ...
A Mineral Reserve includes diluting materials and allowances for losses that may occur when the material is mined. [3] Probable Mineral Reserve. A probable mineral reserve is the economically mineable part of an Indicated and, in some circumstances, a Measured Mineral Resource demonstrated by at least a Preliminary Feasibility Study.
The Geological Survey of Arkansas was first established in 1857, at the direction of Governor Elias Nelson Conway. David Dale Owen was the agencies first geologist. Initially, the agency received funding for only three years, which limited the agencies findings and publications, and the agency was left without funding during the Civil War.
Diagram as published by McKelvey in 1973 [1] Diagram as published by McKelvey in 1976 [2]. A McKelvey diagram or McKelvey box is a visual representation used to describe a natural resource such as a mineral or fossil fuel, based on the geologic certainty of its presence and its economic potential for recovery.
Offshore Energy and Minerals Management (OEMM) – Under the guidance of the 1953 Outer Continental Shelf Lands Act, the OEMM managed energy and mineral development in over 1.71 billion offshore acres of the Outer Continental Shelf (OCS) and annually disburses to the U.S. Treasury expected of $5 billion in minerals revenue in 2010. [1]
Arkansas Highway 27 runs through the center of town, leading northeast 7 miles (11 km) to Nashville, the county seat, and west 13 miles (21 km) to Ben Lomond. Arkansas Highway 355 joins Highway 27 on Runnels Street through the center of Mineral Springs, but it leads north 12 miles (19 km) to Center Point and south 4.5 miles (7.2 km) to Tollette.
Arkansas Highway 9 (Main Street) leads south from the center of Malvern 64 miles (103 km) to Camden. According to the United States Census Bureau , Malvern has a total area of 8.7 square miles (22.6 km 2 ), of which 8.6 square miles (22.4 km 2 ) are land and 0.1 square miles (0.2 km 2 ), or 0.79%, are water.
The area was an important part of what became known as the North Arkansas Lead and Zinc District, and played a role in the development of railroads and modern infrastructure in the area. During World War I the Rush Creek mines were the center of the zinc industry in Arkansas. Ten mining companies operated 13 developed mines within the district ...