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| Total Pages | : |
| Release | : 2004 |
| Genre | : Geochemistry |
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This version of the online report provides complete access to NGS data, describes the history of the project, the methodology used, and presents preliminary geochemical maps for all analyzed elements.
| Author | : Lorraine A. Manz |
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| Total Pages | : 204 |
| Release | : 2011 |
| Genre | : Geochemical surveys |
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In collaboration with the North Dakota Natural Resources Conservation Service (NRCS) and the Department of Soil Science at North Dakota State University (NDSU), the North Dakota Geological Survey (NDGS) developed a strategy whereby the more than 700 grid-cells into which the state was divided could be sampled in an efficient and consistent way using a set of protocols based on standard NRCS soil sampling procedures. Sample collection commenced in the summer of 2003 and was completed in October 2004. A total of 3,248 samples (1,755 analytical and 1,493 archival), representing 715 individual sites, were collected and submitted to the USGS for elemental analysis and subsequent inclusion in the National Geochemical Survey database, maintained by the USGS.
| Author | : Megan E. Lech |
| Publisher | : |
| Total Pages | : 53 |
| Release | : 2007 |
| Genre | : Geochemistry |
| ISBN | : 9781921236358 |
| Author | : N. Gustavsson |
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| Total Pages | : 48 |
| Release | : 2001 |
| Genre | : Government publications |
| ISBN | : 9780607977943 |
| Author | : IGCP Project 259 |
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| Total Pages | : 136 |
| Release | : 1995 |
| Genre | : Computers |
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This book stems from the multi-stage International Geochemical Mapping (IGM), an International Geological Correlation Programme (IGCP) project, to set up a global geochemical database on the distribution and quantities present of all 92 chemical elements in the surface of the earth. A comprehensive review and evaluation of methods for regional and national geochemical mapping and providing a recognized, global quantitative base on which local investigations can be built for particular environmental and economic problems concerning various aspects of land use.
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| Total Pages | : 28 |
| Release | : 2009 |
| Genre | : Analytical geochemistry |
| ISBN | : 9781921498510 |
| Author | : Megan E. Lech |
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| Total Pages | : 93 |
| Release | : 2010 |
| Genre | : Geochemical prospecting |
| ISBN | : 9781921781018 |
| Author | : Patrice de Caritat |
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| Total Pages | : |
| Release | : 2011 |
| Genre | : Analytical geochemistry |
| ISBN | : 9781921954122 |
"Several quality control measures were taken during the project ... The present report uses some of the quality control measures to quantitatively assess the quality of the NGSA data, which allows a quality statement to be made about the NGSA data."--Executive summary (p. v)
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| Total Pages | : 22 |
| Release | : 2010 |
| Genre | : Analytical geochemistry |
| ISBN | : 9781921672910 |
| Author | : |
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| Total Pages | : 78 |
| Release | : 2011 |
| Genre | : Geochemical prospecting |
| ISBN | : 9781921954276 |
"This report used the acquired geochemical data to investigate the preliminary implications of the new national dataset on exploration for energy and mineral resources in Australia. This was mostly done by overlaying the NGSA data on coverages of known deposits and occurrences for selected commodities: uranium (U), thorium (Th), gold (Au), copper (Cu), lead (Pb), zinc (Zn) and rare earth elements (REEs)."--Executive summary (p. iv)
