Copper deposits
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MiniSEED seismic data files, one file per station channel, per day plus associated metadata file, in dataless SEED format. The comprehensive metadata file includes lat, long, start and end dates and full calibration information for each instrument. The CuBES Broadband Profile consists of Guralp, ESPCD and 6T seismometers which recorded both 1Hz and 100Hz passive data, across Zambia, 01/05/2022 to 21/12/2024. The Copper Basin Exploration Science (CuBES) project collected passive seismic data across the Copper Belt in Zambia to determine for the first time the large scale crustal structure of the region to enable the copper deposits to be interpreted in a geodynamic context. DOI: https://doi.org/10.7914/SN/Z1_2022
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Laser ablation trace element data for rutile and apatite were recovered from Mindola and Nchanga. At Mindola the Kitwe Formation is the major host to Cu-Co (copper-cobalt) mineralisation at Nkana-Mindola, particularly within the Ore Shale member. The Ore Shale has been subdivided into multiple units based on texture and composition. In summary, a black shale or dolomitic siltstone. often with a schistose or banded texture, passes upwards into a coarser porous sandstone or siliceous dolomite and capped by a massive argillite. Mineralisation across Nkana-Mindola is primarily hosted by dolomitic siltstones, pyritic black shales and schists. At Nchanga samples were analysed from the upper and lower ore bodies hosted within the Lower Roan metasediments which unconformably overlie the basement, transitioning from basal continental, arenaceous clastic rocks to shallow marine argillaceous clastic rocks and mixed platform carbonates. Context of samples and methods described in; Chapters 4 and 5 Kelly, Jamie (2024) Dataset for thesis "Constraining Cu-(Co) mineralisation in sediment-hosted copper deposits using rutile, apatite, and carbonate geochronology". University of Southampton doi:10.5258/SOTON/D3219 [Dataset]
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Trace element geochemistry, using Electron Microprobe Analyses, of rutile and apatite from the Zambian Copperbelt, includes standards, and accuracy and precision. Apatite grains from Arkose , Kitwe and Mindola Clastics Formations, Nchanga were analysed using a JEOL JXA-8530F Plus hyperprobe electron microprobe at the NHM, London. Spot locations were chosen away from any pits or inclusions. Most apatite crystals received two spots; one located close to the core and one close to the rim in order to assess compositional zoning and intra-grain heterogeneity. The elements P, Ca, F, Cl, Na, S, Sr, Fe, La, Ce, Mn, Si, Mg and Ti were measured. F, Sr, Cl, P and Ca were measured first in analytical sequence as suggested by Goldoff et al., (2012) to minimise time-dependent x-ray count variations. For rutile, 14 elements were measured across the 5 WDS detectors under the same operating conditions as for apatite. These elements were Si, Al, Mg, Ca, Ti, Nb, Zr, Cr, V, Fe, W, Sn, Ta and Mn.Three samples, of Arkose, from the Kitwe Formation, Nchanga, Zambia (NOP741-16p, NOP741-17p 282 Appendix B and NOP741-19p) were analysed. Where possible, spots were chosen on the same rutile grains as laser ablation and away from any debris. For geological setting of individual samples see Appendix A ; Kelly, Jamie (2024) Thesis "Constraining Cu-(Co) mineralisation in sediment-hosted copper deposits using rutile, apatite, and carbonate geochronology". University of Southampton doi:10.5258/SOTON/D3219 [Dataset]
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U-Pb (Uranium – Lead) geochronology data of rutile from the Mindola Deposit Zambia Copperbelt. Full U/Pb isotope data, uncertainties and calculated ages for individual spot analyses for each sample and standard. Samples from Mindola North, Zambia, taken from the University of Southampton Archive. The samples were from the Kitwe Formation and included Dolomitic Siltstone, Quartz-Carbonate veins, Impure Dolostone and Anhydrite Conglomerate. The Kitwe Formation is the major host to Cu-Co mineralisation at Nkana-Mindola, particularly within the Ore Shale member. At Mindola and Mindola North, the Ore Shale is continuous along strike until a barren gap of siliceous dolostones called the Kitwe Barren gap. Overlying the Ore Shale are a series of quartzite, dolomitic argillites and dolostones of the Rokana Evaporites The remainder of the Kitwe Formation is overlain by the Upper Roan Group carbonates. For geological setting of samples, see Chapter 4 in Kelly, Jamie (2024) Dataset for thesis "Constraining Cu-(Co) mineralisation in sediment-hosted copper deposits using rutile, apatite, and carbonate geochronology". University of Southampton doi:10.5258/SOTON/D3219 [Dataset]
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