Annotated record and chemical composition of ferromanganese concretions and crusts sampled from the lakes and streams of Norway
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
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PANGAEA
1987
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| _version_ | 1867171369868853248 |
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| author | Kjeldsen, Siv |
| author_facet | Kjeldsen, Siv |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The main objective of the project was to develop a geochemical method for exploration of ores associated with granitic rocks. Fe and Mn oxidates were sampled in streambeds and lakes from 129 localities in Southeastern Norway. 65 of these localities are situated in the northern Oslo Graben. The samples were examined mineralogically and chemically by a variety of methods. Geochemical maps of the element content in oxidates show regional distribution patterns for several elements. Sampling and analysis of oxidates can be used in exploration for mineralizations such as the Skrukkelia Mo-deposit in the northern Oslo Graben. New anomalies (especially for Zn and W) have been detected. Appendix I contains a description of samples, chemical and mineralogical determinations performed on the samples, backscattered electron image-, X-ray image- and scanning electron image pictures of the oxidate preparates. Appendix II contains spectral plots, point analysis with the microprobe, X-ray diffractograms, analytical results, correlation coefficient matrix, scatterplots, frequency distributions and information on data storage. Appendix III containS maps of the element content in oxidates. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_863815 |
| institution | PANGAEA |
| language | en |
| publishDate | 1987 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Annotated record and chemical composition of ferromanganese concretions and crusts sampled from the lakes and streams of Norway Kjeldsen, Siv NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS The main objective of the project was to develop a geochemical method for exploration of ores associated with granitic rocks. Fe and Mn oxidates were sampled in streambeds and lakes from 129 localities in Southeastern Norway. 65 of these localities are situated in the northern Oslo Graben. The samples were examined mineralogically and chemically by a variety of methods. Geochemical maps of the element content in oxidates show regional distribution patterns for several elements. Sampling and analysis of oxidates can be used in exploration for mineralizations such as the Skrukkelia Mo-deposit in the northern Oslo Graben. New anomalies (especially for Zn and W) have been detected. Appendix I contains a description of samples, chemical and mineralogical determinations performed on the samples, backscattered electron image-, X-ray image- and scanning electron image pictures of the oxidate preparates. Appendix II contains spectral plots, point analysis with the microprobe, X-ray diffractograms, analytical results, correlation coefficient matrix, scatterplots, frequency distributions and information on data storage. Appendix III containS maps of the element content in oxidates. |
| title | Annotated record and chemical composition of ferromanganese concretions and crusts sampled from the lakes and streams of Norway |
| topic | NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS |
| url | https://doi.org/10.1594/PANGAEA.863815 |