Geology

Author(s): 
E. Lino, R. Norabuena, M. Villanueva & O. Felix
Category: 
Geotechnical

The authors of this paper dealt with a stability analysis related problem of a landslide located in the Central part of Peru. This landslide was divided into South and North sectors. There is a special interest in the North landslide since it directly affects a driving channel located at the toe Read more... about Landslide stability analysis using the sliding block method

Author(s): 
B De Waele, M Lacorde, K Bischoff, G Loveday and F Linares
Category: 
Geology
 
Recent exploration has identified the presence of detrital iron deposits (DIDs) associated with banded iron formation (BIF) units in the north-west of the Congo Craton, Gabon. The regional geology comprises a complex of granitoids and gneisses assigned to the Archaean Chaillu
Author(s): 
Bert De Waele
Category: 
Geology

The Mauritanide Belt occurs along the western margin of the West Africa Craton, and records a polyphase Neoproterozoic-Palaeozoic tectonothermal evolution spanning the period between 680 – 525 Ma.  The northern contact between the Mauritanide Belt and the West Africa Craton (Reguibat Shield) is Read more... about Structural control of hydrothermal alteration of BIF and formation of goethite-dominant mineralisation in the northern Mauritanide Belt

Author(s): 
Mathieu Lacorde, Cherie Leeden and Regina Molloy
Category: 
Geology, Geochemistry

Over 150 sediment-hosted Pb-Zn-Cu and Ba occurrences are identified in Gabon along the contact between the Mesozoic to recent sedimentary Coastal Basin and the Archaean to Paleoproterozoic Kimezian basement of the West Congo Belt [1].  These occurrences were first described in the 1930s and Read more... about Geochemical characterisation of Pb‐Zn‐Cu and Ba mineralisation in the Lower Cretaceous sediments of the Coastal Basin, Gabon, Central Africa

Author(s): 
Mike Cunningham
Category: 
Geology

In this presentation delivered at the Australian Institute of Geoscientists (AIG) Lithium and Graphite Seminar, Mike Cunningham shares his experience working on graphite projects around the world and discusses examples of the three main types of graphite mineralisation, their geological Read more... about An Overview of Graphite Projects from Asia to Africa

Author(s): 
Alan Naismith, Dr Graham Howell, Howard Marsden
Category: 
Geology, Geotechnical, Mining

Design and development of a decline shaft through poorly consolidated Kalahari deposits at Ghaghoo Diamond Mine. Read more... about Design and development of a decline shaft through poorly consolidated Kalahari deposits at Ghaghoo Diamond Mine.

Author(s): 
S Kenworthy, K Noormohamed, H Stuart and P Hodkiewicz
Category: 
Geology
 
Gold deposits in the Chirano district in SW Ghana are hosted in a variety of structural settings along the Chirano shear zone (CSZ), in Paleoproterozoic rocks of the Sefwi-Bibiani belt. Most gold mineralisation occurs in strongly sheared and hydrothermally altered Birimian
Author(s): 
Henri Sanguinetti, Tiemogo Mahaman, Ibrahim Awouami, Daniel Guibal, Robert Bowell and Peter Gleeson
Category: 
Geology

GoviEx is a private exploration and development company with 10 tenements totaling approximately 5,000 km² of exploration ground in Niger, the world’s sixth largest uranium producer. As of August 2012, GoviEx’s properties contained more than 121 million pounds of NI 43-101-compliant uranium Read more... about The Miriam case: A new type of uranium deposit within the Carboniferous sandstone-hosted Uranium Mineralisation of the Arlit Agadez province, Tim Mersoi Basin, Niger

Author(s): 
Bert De Waele, Mathieu Lacorde and Justin Rivers
Category: 
Geology
The Congo Craton outcrops in Cameroon,Gabon and in the Republic of Congo where it is dominantly comprised of ArchaeanTonalite-Trondhjemite-Granodiorite (TTG) gneisses ranging ~3100–2800Ma. The northern portion is known as the NtemComplex, in Cameroon, and the southern portion as the East
Author(s): 
Mathew Davies, Christopher Woodfull, Peter Stuart-Smith
Category: 
Geology

SK Networks Resources Ltd (SK) is currently exploring beneath shallow cover sequences within greenfield mineral tenure in the Southern Georgina Basin. A geological model has been developed of the Mt Whelan area highlighting two distinct geological domains separated by the Pippagitta Fault: 1) a Read more... about New SEDEX and MVT Provinces discovered under shallow cover in the Southern Georgina Basin

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