Search Results - "Jelsma, H.A."

Lithospheric structure, evolution and diamond prospectivity of the Rehoboth Terrane and western Kaapvaal Craton, southern Africa: Constraints from broadband magnetotellurics by Muller, M.R., Jones, A.G., Evans, R.L., Grütter, H.S., Hatton, C., Garcia, X., Hamilton, M.P., Miensopust, M.P., Cole, P., Ngwisanyi, T., Hutchins, D., Fourie, C.J., Jelsma, H.A., Evans, S.F., Aravanis, T., Pettit, W., Webb, S.J., Wasborg, J.

“…A 1400 km-long, 2-D magnetotelluric (MT) profile, consisting of 69 sites at 20 km intervals, across the western part of the Archaean Kaapvaal Craton, the…”
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Clastic sedimentation in a late Archaean accretionary terrain, Midlands greenstone belt, Zimbabwe by Hofmann, A, Dirks, P.H.G.M, Jelsma, H.A

“…Late Archaean (∼2.68 Ga) clastic sedimentary rocks of the Shamvaian Group form a shear zone-bounded lithotectonic unit in the Midlands greenstone belt (MGB) of…”
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Late Archaean foreland basin deposits, Belingwe greenstone belt, Zimbabwe by Hofmann, A, Dirks, P.H.G.M, Jelsma, H.A

“…The c. 2.65 Ga old sedimentary Cheshire Formation of the Belingwe greenstone belt (BDB), central Zimbabwe, has been studied in detail for the first time to…”
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A tectonic origin for ironstone horizons in the Zimbabwe craton and their significance for greenstone belt geology by Hofmann, A, Dirks, P. H. G. M, Jelsma, H. A, Matura, N

“…Metre-thick horizons of ironstone lithologically similar to "sulphide-facies" banded iron formation, but interpreted as silicified and sulphide-impregnated…”
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The Chinamora batholith, Zimbabwe: structure and emplacement-related magnetic rock fabric by Becker, J.K, Siegesmund, S, Jelsma, H.A

“…The origin of dome-and-keel structural geometries in Archean granite–greenstone terrains appears to lack any modern analogues and is still poorly understood…”
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U-Pb zircon ages from a craton-margin archaean orogenic belt in northern Zimbabwe by Vinyu, M.L., Hanson, R.E., Martin, M.W., Bowring, S.A., Jelsma, H.A., Dirks, P.H.G.M.

“…In northern Zimbabwe, the Archaean Pfunzi Orogen comprises an east-west-trending belt of migmatitic gneisses separating the Zimbabwe Craton from the…”
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Structural relations and PbPb zircon ages for the Makuti gneisses: evidence for a crustal-scale Pan-African shear zone in the Zambezi Belt, northwest Zimbabwe by Dirks, P.H.G.M., Kröner, A., Jelsma, H.A., Sithole, T.A., Vinyu, M.L.

“…The Makuti Group of northwest Zimbabwe is composed of mafic and intermediate biotite-rich gneisses interlayered with quartzofeldspathic gneisses of granitic…”
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