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Location: 273 km E from Melanje, Angola
34 Bagot RoadSubiacoWestern Australia, Australia6008
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Angolan Goverment - Endiama E.P. (32%);
Local partner - Rosas & Pétalas S.A. (28%).
Sociedade Mineira Do Lulo, Lda - owner mining operation.
Lulo hosts a major kimberlite province and extensive diamond-bearing alluvial gravels.Lulo lies within the ideal tectonic and stratigraphic setting where the Lucapa Graben crosses Angola’s most diamond rich Cuango basin. The Lucapa Graben is the same geological belt hosting most of Angola’s producing kimberlite mines, including neighbouring Catoca, the world’s fourth largest diamond mine. Lulo hosts 296 kimberlite targets in two separate provinces, of which 96 have been classified as proven and probable kimberlites and four confirmed as diamond-bearing pipes. Alluvial diamondsAlluvial diamonds is the term used to describe diamonds that have been eroded from its primary source (ie from a kimberlite or lamproite intrusive host) and over time (millions of years) deposited in a new secondary environment such as gravels in a river bed, or off-shore. Three different aged gravel horizons within the project area: • Calonda Formation: a fluvial sedimentary sequence of Late Cretaceous age, largely accumulated as fan deposits and braided stream washes which formed around the time of the kimberlite eruptions in the area. Poorly-sorted diamondbearing basal gravel (0.3 - 4m in thickness) overlain by gritty sands and silts. • Kalahari Formation: a gravel horizon at or near the base of the Kalahari Formation, largely wind-blown sand unit with fluvial components near the base. The gravel units contain abundant kimberlitic indicator minerals and diamonds. • Recent River Terraces: significant diamondiferous gravel deposits associated with the current river system. Alluvial mining and exploration activities at Lulo have until recently been focused primarily on the terrace deposits along a ~50km stretch of the Cacuilo River running through the ~3,000km2 concession, much of which remains untested. However, through ongoing exploration programs, the Lulo partners recently discovered that in addition to the terraces, the previously-untested flood plains (leziria areas) along the Cacuilo River also host large and premium-quality diamonds. These flood plains are extensive, highlighting the potential for a significant expansion of diamond resources and mine life at Lulo.
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