The Geology of Namibia: Archaean to mesoproterozoic
Author | : R. McG. Miller |
Publisher | : Ministry of Mines and Energy Geological Survey of Namibia |
Total Pages | : 370 |
Release | : 2008 |
Genre | : Science |
ISBN | : |
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Author | : R. McG. Miller |
Publisher | : Ministry of Mines and Energy Geological Survey of Namibia |
Total Pages | : 370 |
Release | : 2008 |
Genre | : Science |
ISBN | : |
Author | : R. McG. Miller |
Publisher | : Ministry of Mines and Energy Geological Survey of Namibia |
Total Pages | : 708 |
Release | : 2008 |
Genre | : Science |
ISBN | : |
Author | : R. McG. Miller |
Publisher | : Ministry of Mines and Energy Geological Survey of Namibia |
Total Pages | : 544 |
Release | : 2008 |
Genre | : Science |
ISBN | : |
Author | : Douwe J. J. van Hinsbergen |
Publisher | : Geological Society of London |
Total Pages | : 392 |
Release | : 2011 |
Genre | : Africa |
ISBN | : 9781862393356 |
The African continent preserves a long geological record that covers almost 75% of Earth's history. The Pan-African orogeny (c. 600-500 Ma) brought together old continental kernels (West Africa, Congo, Kalahari and Tanzania) to form Gondwana and subsequently the supercontinent Pangaea by the late Palaeozoic. The break-up of Pangaea since the Jurassic and Cretaceous, primarily through opening of the Central Atlantic, Indian, and South Atlantic oceans, in combination with the complicated subduction history to the north, gradually shaped the African continent. This volume contains 18 contributions that discuss the geology of Africa from the Archaean to the present day.
Author | : B. G. Hoal |
Publisher | : Ministry of Mines and Energy Geological Survey of Namibia |
Total Pages | : 206 |
Release | : 1990 |
Genre | : Science |
ISBN | : |
Author | : B. Murphy |
Publisher | : Geological Society of London |
Total Pages | : 666 |
Release | : 2021-01-28 |
Genre | : Science |
ISBN | : 1786204924 |
Special Publication 503 celebrates the career of R. Damian Nance. It features 27 articles, with more than 110 authors based in 18 different countries. These articles include contributions on the processes responsible for the formation and breakup of supercontinents, the controversies concerning the status of Pannotia as a supercontinent, the generation and destruction of Paleozoic oceans, and the development of the Appalachian-Ouachitan-Caledonide-Variscan orogens. In addition to field work, the approaches to gain that understanding include examining the relationships between stratigraphy and structural geology, precise geochronology, geochemical and isotopic fingerprinting, geodynamic modelling, regional syntheses, palaeogeographic modelling, and good old-fashioned arm-waving! The wide range of topics mirrors the breadth and depth of Damian’s contributions, interests and expertise. Like Damian’s papers, the contributions range from the predominantly conceptual to detailed field work, but all are targeted at understanding important tectonic processes. Their scope not only varies in scale from global to regional to local, but also in the range of approaches required to gain that understanding.
Author | : Z.X. Li |
Publisher | : Geological Society of London |
Total Pages | : 298 |
Release | : 2016-05-20 |
Genre | : Science |
ISBN | : 1862397333 |
The supercontinent-cycle hypothesis attributes planetary-scale episodic tectonic events to an intrinsic self-organizing mode of mantle convection, governed by the buoyancy of continental lithosphere that resists subduction during the closure of old ocean basins, and the consequent reorganization of mantle convection cells leading to the opening of new ocean basins. Characteristic timescales of the cycle are typically 500 to 700 million years. Proposed spatial patterns of cyclicity range from hemispheric (introversion) to antipodal (extroversion), to precisely between those end members (orthoversion). Advances in our understanding can arise from theoretical or numerical modelling, primary data acquisition relevant to continental reconstructions, and spatiotemporal correlations between plate kinematics, geodynamic events and palaeoenvironmental history. The palaeogeographic record of supercontinental tectonics on Earth is still under development. The contributions in this Special Publication provide snapshots in time of these investigations and indicate that Earth’s palaeogeographic record incorporates elements of all three end-member spatial patterns.
Author | : J. Gregory Shellnutt |
Publisher | : Frontiers Media SA |
Total Pages | : 238 |
Release | : 2021-03-04 |
Genre | : Science |
ISBN | : 2889665585 |