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Per Geijer
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Journal Article

Galena in pyrometasomatic deposits

Per Geijer
Published: 01 March 1958
Economic Geology (1958) 53 (2): 210–214.
DOI: https://doi.org/10.2113/gsecongeo.53.2.210
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Origin of the iron ores of Spanish Morocco; discussion

Per Geijer
Published: 01 January 1935
Economic Geology (1935) 30 (1): 92–94.
DOI: https://doi.org/10.2113/gsecongeo.30.1.92
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Supergene martite [editorial]

Per Geijer
Published: 01 June 1931
Economic Geology (1931) 26 (4): 437–439.
DOI: https://doi.org/10.2113/gsecongeo.26.4.437
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Official recording of mining geology

Per Geijer
Published: 01 August 1930
Economic Geology (1930) 25 (5): 543–545.
DOI: https://doi.org/10.2113/gsecongeo.25.5.543
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A fault surface (editorial)

Per Geijer
Published: 01 November 1928
Economic Geology (1928) 23 (7): 804–805.
DOI: https://doi.org/10.2113/gsecongeo.23.7.804
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Geological relations of the North African iron ores

Per Geijer
Published: 01 September 1927
Economic Geology (1927) 22 (6): 537–564.
DOI: https://doi.org/10.2113/gsecongeo.22.6.537
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Facts and theory in mining geology

Per Geijer
Published: 01 May 1927
Economic Geology (1927) 22 (3): 300–303.
DOI: https://doi.org/10.2113/gsecongeo.22.3.300
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The publishing of geological information

Per Geijer
Published: 01 September 1926
Economic Geology (1926) 21 (6): 605–609.
DOI: https://doi.org/10.2113/gsecongeo.21.6.605
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Processes in contact metamorphism

Per Geijer
Published: 01 November 1925
Economic Geology (1925) 20 (7): 687–690.
DOI: https://doi.org/10.2113/gsecongeo.20.7.687
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Replacement and folding

Per Geijer
Published: 01 April 1924
Economic Geology (1924) 19 (3): 281–285.
DOI: https://doi.org/10.2113/gsecongeo.19.3.281
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Recent work on Archaean sulphide ores in Fenno-Scandia

Per Geijer
Published: 01 June 1921
Economic Geology (1921) 16 (4-5): 279–288.
DOI: https://doi.org/10.2113/gsecongeo.16.4-5.279
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Some problems in iron-ore geology in Sweden and in America

Per Geijer
Published: 01 June 1915
Economic Geology (1915) 10 (4): 299–329.
DOI: https://doi.org/10.2113/gsecongeo.10.4.299
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Igneous rocks and iron ores of Kiirunavaara, Luossavaara and Tuollavaara

Per Geijer
Published: 01 December 1910
Economic Geology (1910) 5 (8): 699–718.
DOI: https://doi.org/10.2113/gsecongeo.5.8.699
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