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D. F. Hewett
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Journal Article

Manganite, Hausmannite, Braunite; Features, Modes of Origin

D. F. Hewett
Published: 01 February 1972
Economic Geology (1972) 67 (1): 83–102.
DOI: https://doi.org/10.2113/gsecongeo.67.1.83
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Coronadite; modes of occurrence and origin

D. F. Hewett
Published: 01 February 1971
Economic Geology (1971) 66 (1): 164–177.
DOI: https://doi.org/10.2113/gsecongeo.66.1.164
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Aurorite, argentian todorokite, and hydrous silver-bearing lead manganese oxide

Arthur S. Radtke, Charles M. Taylor, D. F. Hewett
Published: 01 March 1967
Economic Geology (1967) 62 (2): 186–206.
DOI: https://doi.org/10.2113/gsecongeo.62.2.186
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Silver-bearing black calcite in western mining districts

D. F. Hewett, A. S. Radtke
Published: 01 January 1967
Economic Geology (1967) 62 (1): 1–21.
DOI: https://doi.org/10.2113/gsecongeo.62.1.1
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Stratified deposits of the oxides and carbonates of manganese

D. F. Hewett
Published: 01 May 1966
Economic Geology (1966) 61 (3): 431–461.
DOI: https://doi.org/10.2113/gsecongeo.61.3.431
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Veins of hypogene manganese oxide minerals in the southwestern United States

D. F. Hewett
Published: 01 December 1964
Economic Geology (1964) 59 (8): 1429–1472.
DOI: https://doi.org/10.2113/gsecongeo.59.8.1429
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Deposits of the manganese oxides; supplement

D. F. Hewett, Michael Fleischer, Nancy Conklin
Published: 01 January 1963
Economic Geology (1963) 58 (1): 1–51.
DOI: https://doi.org/10.2113/gsecongeo.58.1.1
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Tephroite in California manganese deposits

D. F. Hewett, C. W. Chesterman, B. W. Troxel
Published: 01 January 1961
Economic Geology (1961) 56 (1): 39–58.
DOI: https://doi.org/10.2113/gsecongeo.56.1.39
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