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Engineering News - Client base swells for low-cost marine ...

Sep 24, 2004· In total, Rapid Mining has delivered 16 riverine diamond barges and nine riverine shore units to companies such as Ocean Diamond Mining, C&C Mining, Kramer Trading and Tech- nology, SAA ...

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Eastside Stories: Coal Mining on the Eastside — Eastside ...

May 02, 2019· Railroads and regular steamship service to Asia arrived in Seattle in the early 1890s, and by 1910, Seattle was the third largest port in the country (after New York and Philadelphia) and the primary West Coast gateway to Asia. Local coal fired all those ship and locomotive boilers.

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Trans Mountain pipeline project hits major ... - mining.com

Jul 14, 2021· The C$12.6 billion ($10bn) Trans Mountain pipeline twinning project is one of four major energy-related construction projects underway in B.C. …

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Marine Mining of Diamonds off the West Coast of Southern ...

Marine Mining of Diamonds off the West Coast of Southern Africa. John J. Gurney, Alfred A. Levinson, and H. Stuart Smith Download PDF. A vast resource of gem-quality diamonds exists off the west coast of southern Africa. Over the course of millions of years, many diamond-bearing kimberlite pipes in the Orange River drainage basin have been ...

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Diamond Mining in Namibia – Past and Present - News from ...

Sep 24, 2015· The majority of diamond mining in Namibia is marine mining, along the coast and a few km west into the sea. CDM was granted its first offshore mining license in 1961. This led to the development several innovations for mining in this new environment, including vacuum extractors, dredgers, floating treatment plants and probe drilling platforms.

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Diamond Drilling Company | Western North America - SCS ...

SCS Diamond Drilling. SCS Drilling is a leading Canadian west coast second-generation drilling company. We hold decades of experience behind us, working in the harshest of grounds and conditions. From the old-timers that taught us, we have grown into providing the most advanced hydraulic drills in the market.

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Why Namibia is a world leader in recovering diamonds from ...

May 31, 2019· Added to all of this, marine diamond recovery represents the next evolution in Namibia's rich history. Alluvial diamond mining on land on the west coast of Namibia started over 110 years in 1908. Over time, many mines on land have reached end-of-life while marine diamond recovery is, relatively speaking, still at its beginning stages.

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By John J. Gurney, Alfred A. Levinson, and 11. Stuart Smith

Marine Mining of Diamonds 1908 near Luderitz, Namibia (figure 2); the his- tory of this discovery is described in detail by Levinson (1983). This led to the subsequent dis- covery of rich diamond fields along the west coast of then German South West Africa, and the development, within a few years, of a huge

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Mining in the Arctic: The Beginnings of an Industry | INN

Mining in the Arctic: The Beginnings of an Industry. The Arctic remains a relatively untouched slice of planet Earth, but northern jurisdictions are eager for miners to explore. The Arctic is a ...

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Offshore diamond exploration and mining in Central Namibia

Gurney J. J., Levinson A. A., Smith H. S. Marine Mining of Diamonds off the West Coast of Southern Africa. Gems and Gemology. 1991. Vol. 27, No. 4. pp. 206–219. 19. De Decker R. H. The geological setting of diamondiferous deposits on the inner shelf between the Orange River and Wreckpoint, Namaqualand. Bulletin of the Geological Survey of ...

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Portable Sectional Barges, Barge Equipment for Sale

Poseidon Barge, Ltd. is a Portable Sectional Barge manufacturer located in Berne, IN. We rent and sell Portable Sectional Barges that are used in bridge construction, general marine construction, dredging, and other projects where it's necessary to float heavy construction equipment, materials or men.

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GOLDSHEET Mining Directory - Diamond Mining Resources

Diamond and Gemstone Mining Resources; Aber Diamond Corporation became Harry Winston, now Dominion Diamond Corporation: Adamus Resources was acquired by Endeavour Mining: Afri-Can Marine Minerals - Engaged in offshore diamond exploration and development off the coast of Namibia: African Diamonds plc was acquired by Lucara Diamond: Alexkor [state-owned] - Alluvial diamonds …

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Diamond Fields Announces Preliminary Exploration Results ...

Nov 29, 2004· On the west coast exploration on the 84,600 hectare Nassuttooq Property delineated a 5km long zone of alteration within mafic volcanic rocks and discovered several outcroppings of massive sulphides. Analytical results include nickel in the range of 0.1%Ni to 0.3% Ni, and copper (Cu) in concentrations from 0.1% Cu to 0.4% Cu (not coincident) in ...

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A perspective of marine mining within T De Beers

diamonds in the MDC concession areas covering 27 000 km2 in water depths from 35 m to 200 m. 394 JUNE 2007 VOLUME 107 REFEREED PAPER The Journal of The Southern African Institute of Mining and Metallurgy Figure 1—West coast map and consessions—Namibia and South Africa Figure 2—Barge 77—MDC's first production system

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Marine diamond mining: tough jobs -- commercial diving on ...

May 07, 2017· West coast diamond divers are a hard breed of men. These commercial diving experts do one of the world's tough jobs to make a living. The marine diamond mining vessels they work from are practical rather than luxurious. They are crammed with dive gear and machinery. The vessel I am on is no Queen Mary.

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Heavy Lift — Dynamic

Vision. The 900 Ton Dynamic Beast barge mounted ringer crane was assembled in 2017 with the most challenging projects in mind. We identified an opportunity for a barge crane with heavy lift capacity, robust deck strength, and a technologically advanced automated ballast system.

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OSG takes delivery of second 204,000 barrel barge ...

Dec 08, 2020· The barge was built to comply with MARPOL Annex VI Regulation 13 Tier III standards regarding nitrogen oxide emissions within emission control areas. OSG 204 and OSG 205 are among the largest barges Greenbrier Marine has built, at 581 feet each. Operating from the largest side launch on the west coast, Gunderson Marine is the only shipyard in ...

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Take a look at the record-breaking port congestion from ...

Sep 21, 2021· The aerial view of the scene from Sunday captures the enormity of the situation, as ships wait over a week to dock and unload, turning the coast into a type of parking lot for vessels that can be worth over $100 million and weigh over 200,000 tonnes.. Prior to the pandemic, the ports typically had zero to one ships waiting to dock, according to Kip Louttit, …

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Offshore Diamond Mining - marcon.com

Offshore Diamond Mining With all the recent interest in diamonds, we decided to reprint this article from March 2002 written by Charlie Heyes of Diamond Fields. To update the article a little, Diamond Fields International Ltd.'s twin airlift diamond mining vessel …

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Marine diamond mining in the Benguela Current Large Marine ...

Dec 01, 2020· The first diamonds from the sea floor were recovered in shallow waters off the Namibian coast some 110 years ago. However, it took 50 more years, before some systematic sea floor diamond mining with purpose-built barges occurred in …

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Miners are ripping up the West Coast

Jan 09, 2021· Though all the mining activities along the West Coast concern PTWC, it is focusing on four current or proposed mining operations in the area, as well as the building of a R40-billion port by the ...

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Gary Hurst - District Geologist - Barrick Gold Corporation ...

o Supervised up to four diamond drill rigs, including multi-wedge, deep diamond drilling (holes up to 2,800 m) and ice & barge drilling on lakes o Maintained the drill hole database, using GEMS, Surpac and acQuire to create 3D models for target generation and presentations. Show more Show less

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Shipping throughout the United States | Lynden Inc.

Shipping throughout the United States. East Coast to West Coast, Canadian border to Mexican border, Lynden has the Lower 48 States covered. We have offices, operations or partners in almost every state, giving us the experience, knowledge and contacts to handle any transportation need or project — no matter how complex.

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Diamonds.net - De Beers Looking at Greenland's Marine Diamonds

Oct 06, 2021· De Beers currently mines marine diamonds off the coast of Namibia; the country's 2020 rough production had a value of $465 per carat, one of the highest in the world, according to Kimberley Process data. The company is not carrying out similar surveys anywhere else, the spokesperson confirmed. De Beers also operates land-based mining in ...

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First LNG Bunker Barge on West Coast Will be Classed by ABS

Jun 24, 2021· The first LNG Bunker Barge on North America's west coast, which is expected to serve shipping from 2023, is to be built to ABS class. As a leader in the classification and certification of LNG ...

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How diamonds are mined from the bottom of Atlantic ocean …

Sep 03, 2018· To ramp up production, Debmarine Namibia plans to construct a $142 million ship-cum-tanker, which it says will be the world's largest custom-built diamond mining vessel, measuring 577 feet long ...

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Half a century after Florida barge canal project was axed ...

Jan 23, 2021· The barge canal by his property could only accommodate 4,000 ton barges. In comparison, the Florida Power canal, which is 25 feet to 28 feet deep, could accommodate 14,000 ton barges. Hollins said the project still could have worked even if the canal had been limited to 12-15 feet on the west side and deeper on the east.

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Alexander Bay – Experience the Northern Cape, South Africa

After diamonds were discovered along the west coast in 1925, Alexander Bay was known for its mining activities. The resulting 'diamond rush' led to the Diamond Coast rebellion of 1928. At the mouth of the Orange River, the town is no longer a high-security area and no …

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Black Diamond Coal Mining Company - Wikipedia

Black Diamond Coal Mining Company operated numerous ships to transport its coal between Washington and California, including the Ivanhoe, which was lost at sea in 1894. To tow barges on the lake, it purchased the steamboat Chehalis. The output of the Black Diamond mines in Washington when they were sold in 1904 was between 700 and 800 tons a day.

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Days of Chasing Magic Along the West Coast of South Africa ...

Sep 22, 2021· There has always been mining along the coastline, but it's now open season, with the unscrupulous Australian mining operation Tormin stripping the beaches in the south and the arrival of the Chinese, mining diamonds north of Hondeklip Bay. When you visit the west coast, nights are spent under the stars or in rustic miner's accommodations.

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