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  2. Mineral resource estimation - Wikipedia

    en.wikipedia.org/wiki/Mineral_resource_estimation

    A Mineral Reserve is the economically mineable part of a Measured or Indicated Mineral Resource demonstrated by at least a Preliminary Feasibility Study. This Study must include adequate information on mining, processing, metallurgical, economic and other relevant factors that demonstrate, at the time of reporting, that economic extraction can ...

  3. Quantitative mineral-resource assessments - Wikipedia

    en.wikipedia.org/wiki/Quantitative_mineral...

    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 ...

  4. Mineral resource classification - Wikipedia

    en.wikipedia.org/wiki/Mineral_resource...

    A Probable Mineral Reserve has a lower level of confidence than a Proved Mineral Reserve but is of sufficient quality to serve as the basis for decision on the development of deposit. A Proved Mineral Reserve is the economically mineable part of a Measured Mineral Resource. It includes diluting materials and allowances for losses which occur ...

  5. McKelvey diagram - Wikipedia

    en.wikipedia.org/wiki/McKelvey_diagram

    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.

  6. QEMSCAN - Wikipedia

    en.wikipedia.org/wiki/QEMSCAN

    QEMSCAN is the name for an integrated automated mineralogy and petrography system providing quantitative analysis of minerals, rocks and man-made materials. QEMSCAN is an abbreviation standing for quantitative evaluation of minerals by scanning electron microscopy, and a registered trademark owned by FEI Company since 2009.

  7. List of nature centers in Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_nature_centers_in...

    Texas Freshwater Fisheries Center: Athens: Henderson: East Texas: website, includes a production fish hatchery, aquaria and exhibits, Texas Freshwater Fishing Hall of Fame, Richard M. Hart and Johnny Morris Conservation Center Trinity River Audubon Center: Dallas: Dallas: North Texas: 120 acres with 5 miles of trails Twelve Hills Nature Center ...

  8. PERC Reporting Standard - Wikipedia

    en.wikipedia.org/wiki/PERC_Reporting_Standard

    The Standard is applicable to all solid mineral raw materials for which Public Reporting of Exploration Results, Mineral Resources and Mineral Reserves is required by the relevant regulatory authorities. Solid raw materials include (but are not limited to): diamonds and other gemstones; metalliferous minerals and; industrial minerals;

  9. Geology of the Dallas–Fort Worth Metroplex - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Dallas...

    Cretaceous Formations of the Dallas-Fort Worth Metroplex Geologic map and the labeled geologic formations that lie directly beneath the surface in Dallas County Cretaceous formations of Texas Where the DFW Metroplex was located during the last super continent known as Pangea Placement of Tectonic Plates and DFW location around ≈94 million years ago The Cretaceous rocks in the DFW Metroplex ...

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