| Reference Type | Journal (article/letter/editorial) |
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| Title | Hollandite in Hawaiian basalt: a relocation site for weathering-mobilized elements |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Fodor, R. V. | Author |
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| Jacobs, R. S. | Author |
| Bauer, G. R. | Author |
| Year | 1994 (December) | Volume | 58 |
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| Issue | 393 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_58/58-393-589.pdf+ |
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| DOI | doi:10.1180/minmag.1994.058.393.06Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 2082 | Long-form Identifier | mindat:1:5:2082:8 |
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| GUID | 0 |
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| Full Reference | Fodor, R. V., Jacobs, R. S., Bauer, G. R. (1994) Hollandite in Hawaiian basalt: a relocation site for weathering-mobilized elements. Mineralogical Magazine, 58 (393) 589-596 doi:10.1180/minmag.1994.058.393.06 |
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| Plain Text | Fodor, R. V., Jacobs, R. S., Bauer, G. R. (1994) Hollandite in Hawaiian basalt: a relocation site for weathering-mobilized elements. Mineralogical Magazine, 58 (393) 589-596 doi:10.1180/minmag.1994.058.393.06 |
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| In | (1994, December) Mineralogical Magazine Vol. 58 (393) Mineralogical Society |
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| Abstract/Notes | AbstractEnrichments in Ba, REE and Y abundances, occurrences of REE, Y-bearing phosphate, depletions in K and Rb, and negative Ce anomalies in some lavas on Kahoolawe (Hawaii) reflect secondary mobilization of Ba, REE, Y, K and Rb. Hollandite (Ba-Mn-oxide) in the groundmass of a Kahoolawe lava contains nearly 10 wt.% BaO, ∼ 1.1 wt.% CeO2, and small amounts of La, Nd, Y, K, Na, P, Cl and Cu to provide an example of where elements mobilized during weathering processes on the Hawaiian Islands find residence. Fe-vernadite, a second Mn-oxide, also hosts mobilized REE and Ba. A positive Ce anomaly in the hollandite complements the negative Ce anomaly in some Kahoolawe lavas, this is analogous to Ce accumulation in todorokite of manganese nodules complementing Ce-depleted seawater. Mn-oxides, then, can serve as links between lavas depleted and enriched in certain elements. |
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