Geochemistry of the dolerites and the intrusion mechanisms of two major sills in the Secunda coal field by Van Niekerk, Johann le Roux

Subjects: “…Sills (Geology) -- South Africa -- Transvaal…”
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Morphological reconstruction of the Kimberley-Elsburg series, with special reference to the Kimberley group of sediments in the East Rand basin by De Jager, F. S. J

Subjects: “…Geology -- South Africa -- Transvaal…”
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The structural geology of the area east of Thabazimbi and the genesis of the associated iron ores by Du Preez, J. W

Subjects: “…Geology -- South Africa -- Transvaal…”
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Sedimentary tectonics of the East Rand Basin, with special reference to the Brakpan formation by Wagener, G. F.(Guillaume Francois)

Subjects: “…Sediments (Geology) -- South Africa -- Transvaal…”
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Fluorite mineralisation in the Bushveld granites southeast of Rooiberg, Transvaal by Crocker, I. T

Subjects: “…Geology -- South Africa -- Transvaal…”
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