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Revised Schedule of Fees for Applications made to the South African Heritage Resources Agency (SAHRA)

ENVIRONMENTAL AUTHORISATION APPLICATION – MINING PERMIT

CaseViews

CaseHeader

Status: 

HeritageAuthority(s): 

Development Type: 

ProposalDescription: 

BASIC ASSESSMENT REPORT FOR A MINING PERMIT, COMBINED WITH A WASTE LICENCE APPLICATION FOR THE MINING OF DIAMOND, DIAMOND (ALLUVIAL), DIAMOND (GENERAL) AND DIAMOND (IN KIMBERLITE) NEAR OTTOSDAL ON A PORTION OF PORTION 34 (4.95Ha) OF THE FARM HUMANSKRAAL 346, RD IO, NORTH WEST PROVINCE.

Expanded_Motivation: 

The applicant, Kareelaagte Diamante (Pty) Ltd, commissioned a BA process as required by the National Environmental Management Act (NEMA) (Act No.107 of 1998) for a MP combined with a Waste Licence Application for the mining of Diamond, Diamond (Alluvial), Diamond (General) and Diamond (In Kimberlite),near near Ottosdal on a portion of Portion 34 (4.95Ha) of the farm Humanskraal 346, Registration Division: IO, North West Province. This portion is proposed due to the expected Diamond, Diamond (Alluvial), Diamond (General) and Diamond (In Kimberlite) mineral resources/reserves. Kareelaagte Diamante (Pty) Ltd requires a MP in terms of the NEMA and the Mineral and Petroleum Resources Development Act (Act No. 28 of 2002) (MPRDA) to mine Diamond, Diamond (Alluvial), Diamond (General) and Diamond (In Kimberlite) within the Tswaing LM, North West Province (refer to a Locality Map attached in Appendix 2). Methodology and technology to be employed (These activities do not disturb the land where mining will take place e.g. aerial photography, desktop studies, aeromagnetic surveys, etc) The historical process of alluvial diamond mining involves the digging, washing and screening of mud, sand and diamond bearing gravel. Diamonds are known to be sourced from geologic rock formations called Kimberlites. Alluvial Diamonds are known to exist from these Kimberlites through erosion. Kimberlites erode over time through rivers and streams and then get deposited downstream in the sediments. These downstream sediment deposits are known as alluvial diamond deposits. The location of each deposit depends on the topography, drainage patterns, and the location of the Kimberlite source itself. The vegetation will be cleared from the areas where stripping and stockpiling of topsoil is planned. The topsoil that is stripped, will be stockpiled separately next to the first pit. The topsoil will then be stockpiled in such a way that the minimum runoff and erosion will occur. Trenches and berms will be constructed to divert any runoff around the pile. The stockpiled topsoil will then be used for the final rehabilitation phase. Concurrent rehabilitation will also be done. Once the topsoil has been removed the overburden is stripped and also placed adjacent the excavation. The overburden stockpiles and topsoil stockpiles will not be mixed. The reason for removing the overburden is that it covers the diamond bearing gravel. Once the overburden has been removed and stockpiled, the exposed diamond bearing gravel is stripped with an excavator and stockpiled on the side of the excavation and from where frond-end loaders and dumper trucks will haul it to the washing plant, as needed. The overburden stockpiles and gravel stockpiles will not be mixed. The diamond bearing gravel is then fed into a feeding bin onto the primary conveyer by frond-end loaders. The diamond bearing gravel is then fed by the conveyer into the 2 x 16ft washing pans. The total amount of water used for washing / processing is between 10 000 and 18 000 litres an hour per washing pan, depending on the size (in feet) of the pan, of which 30% will be re-circulated from the open excavations in which the wet puddle is flowing and 70% is added by means of fresh water. The diamond bearing concentrate out of the washing pans goes directly into the steel bins that will be sorted for final recovery on site. The wet waste tailings coming out of the washing pans is then pumped into the open excavations and possibly into a slimes / tailings dam, from where excess water is re-cycled and re-used. During backfilling the following dumping sequence will be used: - The gravel sifted from the pans will be transported back to the open excavations and used for backfilling purposes. - The wet tailings will then be backfilled. - This will then be followed by the overburden. The sequence above will continue until the last excavated area is reached. The topsoil stockpiled will then be utilised for final rehabilitation. The maximum areas that will be disturbed during the mining operation are very difficult to determine because of the varying depth of the excavations. The mining activities will be restricted to the 4.95ha applied for. For every 1 Ha there will be no more that 10 trenches at any given time, which will be dug. The total area to be disturbed at any given time will be- 10 trenches x (40m x 12m) = 0.48Ha at any given time. • No more than 0.48Ha (10 Trenches) will be left as un-rehabilitated. Rehabilitation will be done concurrently.

ApplicationDate: 

Tuesday, October 19, 2021 - 15:45

CaseID: 

17361

OtherReferences: 

CaseReferenceDepartmentApplicationTypeDeadlineDateContactPerson
NW30/5/1/3/2/1/10872MP
18/11/2021

ReferenceList: 

 
 

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