Geochemical mineral exploration: should we use enrichment factors or log-ratios?
Carranza, Emmanuel John M. (2017) Geochemical mineral exploration: should we use enrichment factors or log-ratios? Natural Resources Research, 26 (4). pp. 411-428.
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Abstract
According to previous studies, the use of enrichment factors in environmental studies is inconsistent with its original concept and that such indiscriminate use of enrichment factors should be stopped. In this contribution, it is shown through spatial correlation analysis that using enrichment factors is no better than using log-ratios of geochemical data for mapping of deposit-related anomalies.
| Item ID: | 49118 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1573-8981 |
| Keywords: | geochemical anomaly mapping, enrichment factor, closure problem, compositional data analysis, log-ratios, spatial correlation analysis |
| Date Deposited: | 13 Jun 2017 00:25 |
| FoR Codes: | 37 EARTH SCIENCES > 3703 Geochemistry > 370301 Exploration geochemistry @ 100% |
| SEO Codes: | 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840105 Precious (Noble) Metal Ore Exploration @ 100% |
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