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Alaska Mineral Resources

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National Surveys and Analysis - Alaska and Hawaii


    The National Surveys and Analysis projects comprised an integrated effort to develop national digital datasets for geology, mineral occurrences, geochemistry, and geophysics. The project also integrated, analyzed, and interpreted these data in support of a wide variety of research topics such as: the assessment of mineral resources; characterization of regional mineral districts; definition of metallogenic provinces; determination of regional background values for chemical elements with known environmental impact; and the study of the relationship between toxic commodities or mining practices and human health. The interpretive studies involved contributions from a wide variety of disciplines and partners.


    Strategy and Approach

    The regional projects worked together to define common goals, set priorities, and ensure that products conformed to consistent standards and protocols. Previously collected data were reviewed for quality, consistency, and sample distribution, and areas needing new data collection were determined. Research was targeted in areas that would help establish and explain the regional frameworks within which tectonic, mineral deposit modeling, mineral exploration, land-use analysis, and other studies operate.


    Alaska Accomplishments


    Relevance and Impact

    The U.S. Geological Survey provides national leadership in maintaining earth-science data and serves as earth-science advisor to the Executive Branch of the U.S. government. Recurring requests for information for scoping studies and earth-science forecasting can only be met when nationwide datasets are easily available and of high quality. In addition, national- and regional-scale earth-science datasets are critical for a wide range of land-planning, resource, and environmental issues. The data are used in State and Federal government agencies and academia, as well as by members of the general public.

    The successful completion of this project results in a standard set of integrated GIS databases and interpretive products that address various earth-science issues. Maps and analyses produced from the databases provide information that can be used for mineral-resource assessments; environmental studies; regional and national land-use studies; and earth-science research, such as the identification of metallogenic terranes, determination of regional geochemical backgrounds, and the study of the relationships between toxic elements and human health. All data is available to both USGS researchers and the public. As national scale datasets become available, products will be created that are suitable for release through the Spatial Information Delivery project, and, as appropriate, the National Atlas.


    Project Chief

    Frederic (Ric) H. Wilson


 Mineral Resources Eastern /  Central /  Western /  Alaska /  Minerals Information
Crustal Geophysics & Geochemistry  /  Spatial Data

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