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Last edited anonymously
August 19, 2008 | History
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Robert Eugene Learned

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5 works Add another?

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  • Cover of: Analytical results and sample locality map of soil samples from the Tanama-Helecho porphyry copper district, Municipios of Utuado and Adjuntas, Puerto Rico

    First published in 1992 — 3 editions
    Not in Library

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  • Cover of: A geochemical reconnaissance of the Utuado batholith and vicinity, Puerto Rico

    First published in 1981 — 3 editions
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  • Cover of: Analytical results and sample locality map of soil samples from the Río Viví porphyry copper district, Municipios of Utuado and Adjuntas, Puerto Rico

    First published in 1992 — 1 edition
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  • Cover of: The solubilities of quartz, quartzcinnabar and cinnabar-stibnite in sodium sulfide solutions and their implications for ore genesis.

    First published in 1966 — 1 edition
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  • Cover of: Analytical data for stream sediment, heavy-mineral concentrate, and outcrop samples, Sur Medio region, departments of Ica, Ayacucho, and Huancavelica, Peru

    First published in 1994 — 1 edition
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We need a photo of Robert Eugene Learned

Subjects

Geochemistry, Mines and mineral resources, Soils, Cinnabar, Copper ores, Geochemical prospecting, Ore deposits, Porphyry, Quartz, Sampling, Soil surveys, Stibnite, Sulfides, Sulphides

Places

Puerto Rico, Peru

Lists

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ID Numbers

  • OLID: OL2128083A

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History

Download catalog record: RDF / JSON
August 19, 2008 Edited by an anonymous user fix author name
April 1, 2008 Created by an anonymous user initial import