Copper/Cobalt strata-bound systems; A Basin Analysis approach to the tectonostratigraphic evolution of the Central African Katangan basin of Zambia an

中非新元古代沉积盆地的地球动力学、构造和地层学过程是什么？它们如何影响中非铜/钴省铜和钴的动员、运输、浓缩和沉淀？位于非洲和巴西的冈瓦纳西部的地球动力学和构造-地层发展涉及新元古代盆地地层和结构中记录的一系列沉积物的发展和增生。理解超大陆生长过程的关键是这些盆地的沉降和变形历史，作为构成冈瓦纳大陆的碰撞前历史和后来的增生过程的指标。这些盆地记录了新元古代的冰川形成时期，而中非的加丹加盆地则成为世界上最大的层控铜/钴矿床的储藏地，本项目将对新元古代加丹加盆地的分析采取首要原则和综合办法，目的是确定盆地形成和随后导致冈瓦纳大陆增长的变形过程。主要铜矿床的成因是这一过程的一个组成部分，增加了对盆地的热，流体和地球化学演化的重要制约。在著名的岩石地层格架的基础上，建立区域层序地层模型，绘制古地理图，利用构造解释建立盆地演化模型。将创建单个沉降剖面并进行回剥，以建立沉降历史。这将在热年代学数据的帮助下进行反向剥离，以了解沉降驱动机制并量化热流。将其与盆地的岩浆和变质历史相结合，将限制流体流动的时间和机制。在此动力学基础上，建立了新元古代盆地演化、变形和大规模铜矿化的模式。这种盆地动力学分析对加丹加盆地和中非新元古代盆地形成和变形问题来说是新的。这将是一个挑战，由于穷人的时间控制，但无疑将提供新的视角新元古代地壳生长，盆地形成，构造和成矿作用的过程。基础地质科学工作将主要是基于岩心的地层分析以及矿山和野外剖面的建造和恢复。除了这些基本的地质资源外，还需要为锆石U/Pb来源研究、锆石、磷灰石和流体包裹体热年代测定和古生物学提供资金，以支持盆地动态沉降分析。

What are the geodynamic, tectonic and stratigraphic processes of Central African Neoproterozoic sedimentary basins responsible for continental (Gondwana) crustal growth? And how did they influence the mobilisation, transportation, concentration and precipitation of copper and cobalt in the Central African Copper/Cobalt province?The geodynamic and tectono-stratigraphic development of Western Gondwana, in both Africa and Brazil, involves the development and accretion of a series of terranes recorded in the stratigraphy and structure of Neoproterozoic basins. Key to understanding this process of Supercontinent growth is the subsidence and deformational history of these basins as indicators of the precollisional history and later accretionary processes that constructed Gondwana. These same basins record the Neoproterozoic glaciogenic periods and, in the case of the Katangan basin of Central Africa, became the depository of the world's largest strata-bound copper/cobalt deposits.This project will take a first principle and integrated approach to the analysis of the Neoproterozoic Katangan basin, with the intent of defining the processes of basin formation and subsequent deformation resulting in the growth of Gondwana. The genesis of major copper deposits is an integral part of this process, adding significant constraints on the thermal, fluid and geochemical evolution of the basin. Building on the well-known lithostratigraphic framework, a regional sequence stratigraphic model will be built, paleogeography mapped and structural restorations used to build an evolutionary model of the basin. Individual subsidence profiles will be created and back-stripped to establish a subsidence history. This will be back-stripped with the help of thermochronological data to understand the subsidence driving mechanism and quantify heat flow through time. Integrating this with the magmatic and metamorphic history of the basin will place constraints on the timing and mechanism of fluid flow. From this dynamic base a model of Neoproterozoic basin evolution and deformation and large scale copper mineralisation will be developed. Such a dynamic basin analysis will be new to the Katangan basin and the issue of Neoproterozoic basin formation and deformation in Central Africa generally. It will be challenging due to poor chronological control, but will undoubtedly provide new perspectives to the process of Neoproterozoic crustal growth, basin formation, tectonics and metallogenesis. The underpinning geoscience work will be largely core based stratigraphic analysis and mine and field section construction and restoration. In addition to these basic geological sources, funding will be required for zircon U/Pb provenance studies, zircon, apatite and fluid inclusion thermochronometry and palaeontology will be required to support the dynamic basin subsidence analysis.