A review of the alluvial diamond industry and the gravels …

The liberalization of the diamond marketing system led to increased diamond prices and this, coupled with the devaluation of the Rand against the US$ during late 2001 and 2002, resulted in a significant increase in onshore alluvial diamond production in South Africa. Inland, alluvial diamond production reached a recent peak …

Marine & River Diamond Mining Equipment

Marine and River Diamond Mining Equipment Manufacturers. 50 years of combined experience in both the mining of Alluvial diamonds and the manufacturing of mining equipment allows us, Wes See, to give you personalised service and custom designed equipment to meet your unique needs & requirements. To date we have supplied …

Alluvial Mining: Gold, Diamonds and Platinum

Additionally, Diamcor Mining (TSXV:DMI,OTCQB:DMIFF) has identified two high-grade alluvial diamond deposits at its Venetia project in South Africa. Alluvial mining for diamonds is similar to ...

Regulations tailored to alluvial diamonds will …

JOHANNESBURG (miningweekly) – South Africa 's one-size-fits-all mining legislation is losing vital jobs for the country in the job-intensive alluvial diamonds space that requires...

South Africa's Small-Scale Diamond Mining Dilemma

The situation is highlighted by the decline in South Africa's overall diamond production, which has dwindled as its large kimberlite operations have closed or become less lucrative. The country's diamond production fell from 15.56 million carats in 2004 to 9.66 million carats in 2022, according to Kimberley Process data.

Alluvial Pumps | Diamond & Gold Dredging …

A Short History. Fred de Pauw is the very proud and very passionate owner of Alluvial Pumps and Dredging Services South Africa, and has more than 30 years experience in the design and manufacturing of alluvial pumps …

gold and diamond prospecting machines south africa

South Africa's leading Gold and diamond recovery equipment manufacturer.Custom made equipment for gold and alluvial diamond dredging. Manufacturing the following also: Small jaw crushers and small chain mills Various sizes of sluice boxesAlluvial wash plants / trommelsMobile or portable wash plantsPortable and mobile gold plantsPortable …

South Africa's alluvial diamond miners hampered by lack of …

Under the coordination of South African Diamond Producers Organisation (SADPO), the alluvial diamond mining industry has attempted to highlight the diversity of the Junior mining sector and the ...

Diamond Mining Methods | Diamond Museum Cape Town

The first diamonds discovered in South Africa were from alluvial deposits. Today, industrial alluvial mining involves building a large wall to collect the water in one area. Diamonds are often found in the gravel layer, which collects under layers of other material, such as mud, clay and underwater plant-life.

Recent Alluvial Diamond Mining in South Africa

part of the Southern Field of alluvial diamond de - posits in South Africa. The gravels are 200–400 m wide and generally 5 m thick (Figure 30), but the ... ing equipment is employed for de ...

THE NATURE OF THE ALLUVIAL DIAMOND DEPOSITS …

The alluvial diamond fields of the North West Province ... SOUTH AFRICA T.R. MARSHALL Explorations Unlimited, PO Box 6578, Homestead, 1412, South Africa e-mail: marshall.tania@gmail

(PDF) A review of the alluvial diamond industry …

A review of the alluvial diamond industry and the gravels of the North West Province, South Africa. DOI: Authors: M.G.C. Wilson. G. Henry. Tania Marshall. Explorations Unlimited /...

Equipment for the diamond mining industry

Sorter LS-50-05 is designed to enrich wet basic diamond ore and treatment contentrate with grain size – 50 + 20, – 20 + 10 and – 10 + 5 mm. Read more. X-ray luminescence sorter LS-D-4-03N. Sorter LS-D-4-03N is designed to treatment watered concentrate with grain size – 6 + 3 and – 3 + 1 mm. Read more.

Basic principles of alluvial diamond exploration

The general principles that govern any search for alluvial diamonds, the processes involved in alluvial diamond deposition and the methods and technology used in exploring for and evaluating such deposits are also discussed. The principles are illustrated, where possible, by reference to a case history of exploration for alluvial …

History of Diamonds | Cape Town Diamond Museum

Over the next few years, South Africa yielded more diamonds than India had in over 2,000 years. The first diamond discoveries in South Africa were alluvial. By 1869, diamonds were found far from any stream or river. First in yellow earth and below in hard rock called blue ground, later called kimberlite, after the mining town of Kimberley.

Historical Reading List: The Diamond Fields of South Africa: …

This article provides a review of the alluvial diamond mining operations. South Africa and the International Diamond Trade: Part One – Sir Ernest Oppenheimer, De Beers and the Evolution of Central Selling, 1920-1950, C. Newbury, South African Journal of Economic History, Vol. 10, No. 2, pp. 1-22, (1995). The author presents an analysis of the ...

Recent Advances in Understanding the Geology of Diamonds

Archean cratons in South Africa have yielded gem diamonds such as these specimens from the GIA Museum's Oppenheimer Student Collection. The loose crystals range from 1.24 to 22.32 ct. Photo by Orasa Weldon. ... To the list of early alluvial diamond producers (e.g., South Africa, Namibia, India, Congo, and Brazil) have been added other hard ...

Regulations tailored to alluvial diamonds will reward S Africa …

JOHANNESBURG (miningweekly) – South Africa 's one-size-fits-all mining legislation is losing vital jobs for the country in the job-intensive alluvial diamonds space that requires ...

Diamond Equipment

Featuring an outstanding line of construction equipment for sales, leasing, rentals, parts, and service including Case CE, Rokbak trucks, construction equipment from , Takeuchi, XCMG, Skytrak, Noram motor graders, & Allied hydraulic hammers, Blue Diamond attachments, and a wide variety of ground engaging tools and attachments.

EXPLOITING RSA'S ALLUVIAL DIAMOND DEPOSITS …

Specialists in the geology, origin and exploitation of large stone producing alluvial diamond deposits. Distribution of Kimberlites. Southern Africa. Kimberlite Erosion. Alluvial …

Dredging Equipment for Gold & Diamond Mining | Alluvial …

Worldwide Supplier of Gold & Diamond Dredging Equipment. Alluvial Pumps is regarded as one of South Africa's leading manufacturers and exporters for Alluvial diamond and …

BVSA – Bourevestnik South Africa

BVSA is the agent and certified supplier and technical support specialist of Bourevestnik Equipment. BVSA offers a comprehensive stock and spares range for the entire portfolio of BV Sorters. Bourevestnik, Inc. has a great experience and tradition in the area of the design and manufacturing of diamond sorters, starting from supply of the world's first X-ray …

Rockwell Diamonds Agrees to $28.5 Million Deal to Expand …

Mining company Rockwell Diamonds has agreed to acquire certain alluvial diamond properties and associated plant and equipment from Bondeo 140 CC for $28.5 million, assisting Rockwell in expanding its operations in South Africa. "We are delighted to have concluded this agreement as it represents an exciting growth platform for …

Historical Reading List: The Diamond Fields of South Africa…

This article provides a review of the alluvial diamond mining operations. South Africa and the International Diamond Trade: Part One – Sir Ernest Oppenheimer, De Beers and the Evolution of Central Selling, 1920-1950, C. Newbury, South African Journal of Economic History, Vol. 10, No. 2, pp. 1-22, (1995). The author presents an …

SOUTH AFRICAN DIAMOND HANDBOOK AND …

In South Africa, alluvial diamond-bearing gravels occur at Lichtenburg, Ventersdorp, Wolmaransstad, Barkley West, along the Orange ... screening equipment and recovery plants, to recover diamonds from the seabed. 2.4 DIAMOND TRADE Clarity, colour, carats and cuttability (4Cs) of the diamond determine the quality and hence the price of the stone

Provenance of alluvial diamonds in Southern Africa : a …

ENGLISH ABSTRACT: The discovery of lucrative diamond deposits along the west coast of Southern Africa about 1200 kilometres from the Kimberley region during the period 1908 to 1927, gave rise to a number of different theories with respect to their possible provenance. These included the transportation of diamonds from unknown sources in …

diamond mining small scale equipment south africa suppliers

ALLUVIAL DIAMOND MINING FACT SHEET. 2011228Alluvial diamond mining is the term used to describe the process through which diamonds are Namibia and South Africa Smallscale informal alluvial diamond digging is usually undertaken by individuals, families or groups using very basic equipment, such as sieves and pans, to search for the …

EXPLOITING RSA'S ALLUVIAL DIAMOND DEPOSITS …

Global Diamond Network 46 South Africa Alluvial Diamond Mining Legislation Challenges 01 Lack of Policy consistency 02 RSA is a 'no-go' for mining investors (see latest Fraser Institute report) 03 Mining right applications –slow processing / awards, fronting, middle-men, 'use or lose' should apply 04 B-BBEE requirements –expensive ...

(PDF) The nature of the alluvial diamond deposits of the …

The nature of the alluvial diamond deposits of the Ventersdorp district, Northwest province, South Africa December 2009 South African Journal of Geology 112(2):109-124

SA's junior diamond miners need support

03 September 2020 – South Africa's junior and small-scale diamond mining sector, once a thriving contributor to the economy, is on its knees, mostly because of regulatory uncertainty and government red tape. Covid-19 could be the final nail in the coffin. The discovery of alluvial diamonds in the unique secondary deposits of the Middle ...

(PDF) A review of the alluvial diamond industry and the …

The discovery of the Lichtenburg alluvial diamond field in 1926 was, at the time, the most significant in South Africa in terms of alluvial diamond production (de Wit, 1996). The >10 million carats recovered dramatically increased the country's and, indeed, the world's diamond production between 1926 and 1930.

Diamond Processing

The Diamond Mining Process. The diamond mining process begins with the screening of your raw feed material to remove the minus 6mm fraction while the 6mm to 100mm material is delivered to the scrubbing phase. This material is then subjected to severe scrubbing & attrition to break down clay contamination and remove organic material and other ...

Marine & River Diamond Mining Equipment

Marine and River Diamond Mining Equipment Manufacturers. 50 years of combined experience in both the mining of Alluvial diamonds and the manufacturing of mining …

Gold Mining Equipment Manufacturer | Alluvial-pumps | South Africa

With 30 years of experience in the field, working with various systems and combinations of products we are the leading manufacture and distributor in South Africa, Sub-Saharan Africa and globally. Our range of gold dredging and diamond dredging pumps and equipment is well suited for International market. We design and manufacture our own ...

Diamond Processing | Equipment, Process Flow, Cases

The first diamond found in South Africa came from an alluvial deposit. Alluvial mining is the world's main source of diamonds, accounting for 40 percent of the world's total diamond reserves, but 70 percent of its production. Many primary mines are found by tracing back the placer deposits. 1. River alluvial deposit

Diamond Wash Plant | Mining Equipment | Alluvial Pumps

Diamond Wash Plant. R 180,000.00 R 170,000.00. Diamond wash plants / Trommels, for the recovery of fine gold and alluvial diamond gravel. Our mobile …

PCF Engineering

Alluvial Diamond Mining Equipment. ENQUIRE. About PCF Engineering. PCF Engineering boasts over 30 years of experience in building mining equipment. This, …

Provenance history of detrital diamond deposits, West Coast …

The West Coast of southern Africa is host to the world's largest known detrital diamond deposits (Fig. 1).Together these deposits have produced in excess of 120 million carats of diamonds, with ~50 million carats from mines in Namaqualand, South Africa (e.g. Gurney et al. 2005; Oosterveld 2003; Bluck et al. 2005).Diamonds were first …