102 resultados para Exploration
Resumo:
Radiometric logging of the drill holes was accomplished by means of a Geiger counter-type probe. Samples for chemical assay were selected after checking the core with a Geiger counter and correlation with the radiometric logging record. The exploration project did not disclose significant amounts of ore-grade material although encouraging indications were found at two different properties.
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"August 1955."
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"DATE."
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Includes index.
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Includes index.
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Translation of Sur le Niger et au pays des Touaregs; la mission Hourst.
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Mode of access: Internet.
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"Workbook A."
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Cover title.
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Contiene: t. 1 - t. 2
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"November 12, 1952."
Resumo:
"July 1959."