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Results:
1-11
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Results: 11
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, THE MANGANESE FORMATION OF THE NEOPROTEROZOIC PENGANGA GROUP, INDIA -REVISION OF AN ENIGMA, Economic geology and the bulletin of the Society of Economic Geologists, 93(7), 1998, pp. 1091-1102
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, EARLIEST LATERITES AND POSSIBLE EVIDENCE FOR TERRESTRIAL VEGETATION IN THE EARLY PROTEROZOIC, Geology, 26(3), 1998, pp. 263-266
THE INFLUENCE OF IRON SUBSTITUTION ON THE MAGNETIC-PROPERTIES OF HAUSMANNITE, MN2-4((FE,MN)(2)(3+)O)
Authors:
BARON V
GUTZMER J
RUNDLOF H
TELLGREN R
Citation: V. Baron et al., THE INFLUENCE OF IRON SUBSTITUTION ON THE MAGNETIC-PROPERTIES OF HAUSMANNITE, MN2-4((FE,MN)(2)(3+)O), The American mineralogist, 83(7-8), 1998, pp. 786-793
Authors:
GUTZMER J
BEUKES NJ
YEH HW
Citation: J. Gutzmer et al., FAULT-CONTROLLED METASOMATIC ALTERATION OF EARLY PROTEROZOIC SEDIMENTARY MANGANESE ORE AT MAMATWAN MINE, KALAHARI MANGANESE FIELD, SOUTH-AFRICA, South African journal of geology, 100(1), 1997, pp. 53-71
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, MINERALOGY AND MINERAL CHEMISTRY OF OXIDE-FACIES MANGANESE ORES OF THE POSTMASBURG MANGANESE FIELD, SOUTH-AFRICA, Mineralogical Magazine, 61(2), 1997, pp. 213-231
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, EFFECTS OF MASS-TRANSFER, COMPACTION AND SECONDARY POROSITY ON HYDROTHERMAL UPGRADING OF PALEOPROTEROZOIC SEDIMENTARY MANGANESE ORE IN THE KALAHARI MANGANESE FIELD, SOUTH-AFRICA, Mineralium Deposita, 32(3), 1997, pp. 250-256
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, KARST-HOSTED FRESH-WATER PALEOPROTEROZOIC MANGANESE DEPOSITS, POSTMASBURG, SOUTH-AFRICA, Economic geology and the bulletin of the Society of Economic Geologists, 91(8), 1996, pp. 1435-1454
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, MINERAL PARAGENESIS OF THE KALAHARI MANGANESE FIELD, SOUTH-AFRICA, Ore geology reviews, 11(6), 1996, pp. 405-428
Authors:
BEUKES NJ
GUTZMER J
Citation: Nj. Beukes et J. Gutzmer, A VOLCANIC EXHALATIVE ORIGIN FOR THE WORLDS LARGEST (KALAHARI) MANGANESE FIELD - DISCUSSION, Mineralium Deposita, 31(3), 1996, pp. 242-245
Authors:
GUTZMER J
BEUKES NJ
Citation: J. Gutzmer et Nj. Beukes, FAULT-CONTROLLED METASOMATIC ALTERATION OF EARLY PROTEROZOIC SEDIMENTARY MANGANESE ORES IN THE KALAHARI MANGANESE FIELD, SOUTH-AFRICA, Economic geology and the bulletin of the Society of Economic Geologists, 90(4), 1995, pp. 823-844
Authors:
GUTZMER J
BEUKES NJ
KLEYENSTUBER ASE
BURGER AM
Citation: J. Gutzmer et al., MAGNETIC HAUSMANNITE FROM HYDROTHERMALLY ALTERED MANGANESE ORE IN THEPALAEOPROTEROZOIC KALAHARI MANGANESE DEPOSIT, TRANSVAAL SUPERGROUP, SOUTH-AFRICA, Mineralogical Magazine, 59(397), 1995, pp. 703-716
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