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duricrust |
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duricrust [′du̇r·ə‚krəst] (geology) The case-hardened soil crust formed in semiarid climates by precipitation of salts; contains aluminous, ferruginous, siliceous, and calcareous material. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Significant gold assays were also intersected within the upper 5 to 10 meters of the oxide zone within enriched lateritic duricrust and mottled saprolite. Significant gold assays were also intersected within the upper 5 to 10 meters of enriched duricrust and mottled saprolite. While numerous anomalous gold-in-soil values have been identified, large portions of Area II are capped by duricrust, an iron-silicate weathered formation that can mask geochemical response to underlying gold zones within the saprolite below. |
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