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  • Resources of the Sea Floor | Science
    Resources of the Sea Floor | Science

    Jan 31, 2003· The first hydrothermal mineral deposit was found in the 1960s in the northern Red Sea, where sea-floor spreading separates Africa from the Saudi Arabian peninsula Hydrothermal solutions discharge as density-stratified, metal-rich brines and precipitate metalliferous sediments in basins along the spreading axis

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  • Sea floor mineral deposits common in northern Baltic Sea ,
    Sea floor mineral deposits common in northern Baltic Sea ,

    Sep 26, 2019· A study recently completed in collaboration between the University of Helsinki, the Geological Survey of Finland and the Finnish Environment Institute demonstrates that seafloor mineral deposits with a high concentration of iron and manganese occur in at least 11% and, at the most, 20% of Finnish marine areas Earlier, the deposits were thought to be found in abundance only in deeper ,

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  • Geology: What is a Mineral Deposit? — Mining Focus
    Geology: What is a Mineral Deposit? — Mining Focus

    Ancient ocean chemical deposition of minerals on the seafloor For example iron was deposited in layers on the then sea floor billions of years ago as the oxide mineral hematite Today these layers of rich iron rock are called banded iron formations and are a major source of iron ore in Australia, Canada and Brazil

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  • New Project to Explore Deep-Seafloor Mineral Deposits ,
    New Project to Explore Deep-Seafloor Mineral Deposits ,

    Dec 18, 2018· Deep-seafloor mineral deposits can provide vital new metals for emerging technologies, including those that will reduce greenhouse gas emissions Many deposits were formed by hot springs on the seafloor and the vast majority of these now lie under a blanket of marine sediment

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  • Massive seafloor mounds depict potential for seafloor ,
    Massive seafloor mounds depict potential for seafloor ,

    Apr 28, 2021· The structural make-up of the seafloor mounds and by extension their associated fluid escape pipes plus intrusive rocks fit the generic model developed for metalliferous mineral deposits ,

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  • Rapid growth of mineral deposits at artificial seafloor ,
    Rapid growth of mineral deposits at artificial seafloor ,

    Feb 25, 2016· Seafloor massive sulphide deposits are potential resources for base and precious metals (Cu-Pb-Zn ± Ag ± Au), but difficulties in estimating precise reserves and ,

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  • Seafloor mining: the DeepGreen method
    Seafloor mining: the DeepGreen method

    Unlike deepsea mining of crust or seafloor massive sulphides, nodules sit semi-submerged on the seafloor and, therefore, do not require intensive mining “Seafloor Polymetallic nodules are mineral deposits found on the seafloor that can look like fields of potatoes,” says DeepGreen head of environment and social performance Dr Samantha Smith

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  • Seafloor deposits of minerals could soon become ,
    Seafloor deposits of minerals could soon become ,

    Dec 14, 2020· Seafloor deposits of cobalt, nickel, lithium and other minerals could soon become commercially available But environmentalists are concerned about the dangers of deep-sea mining

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  • Mineral deposits from sea-floor hot springs - NASA/ADS
    Mineral deposits from sea-floor hot springs - NASA/ADS

    Mineral deposits from sea-floor hot springs Rona, P A Abstract The production of significant deposit of metal at sites along the boundaries of lithospheric plates and in volcanic regions within plates is discussed The chemical reactions that occur when seawater circulates through fractured volcanic rock above sources of heat are described

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  • Marine minerals « World Ocean Review
    Marine minerals « World Ocean Review

    >Natural gas and oil have been extracted from the seas for deca­­des, but the ores and mineral deposits on the sea floor have attracted little interest Yet as resource prices rise, so too does the appeal of ocean mining The excavation of massive sulphides and manganese nodules is expected to begin within the next few years

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  • What's deep-sea mining? Risks and challenges of the new ,
    What's deep-sea mining? Risks and challenges of the new ,

    Jan 22, 2021· Deep-sea mining (or deep seabed mining) is, as the name implies, the process of retrieving mineral deposits from the deep seafloor Generally, this ‘depth’ refers to ,

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  • Deep Sea Mining Market Outlook and Opportunities in Grooming ,
    Deep Sea Mining Market Outlook and Opportunities in Grooming ,

    Seafloor Minerals - USGS

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  • Deep sea mining - Wikipedia
    Deep sea mining - Wikipedia

    Deep sea mining or seabed mining is a mineral retrieval process that takes place on the ocean floorOcean mining sites are usually around large areas of polymetallic nodules or active and extinct hydrothermal vents at 1,400 to 3,700 metres (4,600 to 12,100 ft) below the ocean’s surface The vents create globular or massive sulfide deposits, which contain valuable metals such as silver, gold .

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  • What is/are one source of mineral deposits on the seafloor ,
    What is/are one source of mineral deposits on the seafloor ,

    Apr 19, 2019· What is/are one source of mineral deposits on the seafloor? A Lagoons B Coral reefs C Seafloor spreading D Volcanic vents

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  • Seabed Minerals - SM2
    Seabed Minerals - SM2

    Mineral Basics Mineral Deposits form on the seafloor as a result of a variety of processes that all result in the precipitation of metalliferous materials These products can be used in industries ranging from jewellery, construction and modern technology

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  • Mining For Gold On The Ocean Floor? - CBS News
    Mining For Gold On The Ocean Floor? - CBS News

    Apr 02, 2009· There's gold in that thar sea floor Silver, copper, zinc and lead, too The problem is, it's a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world

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  • The abundance of seafloor massive sulfide deposits
    The abundance of seafloor massive sulfide deposits

    a subset of the best-studied deposits to estimate undiscovered mineral potential in the neovolcanic zones of the global oceans The analysis fol-lows a routine that is now in widespread use in mineral resource assess-ments on land (Singer and Menzie, 2010) GLOBAL DISTRIBUTION OF SEAFLOOR MASSIVE SULFIDE DEPOSITS

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  • mineral deposits on the seafloor - shibang-china
    mineral deposits on the seafloor - shibang-china

    Seafloor massive sulfide deposits - Wikipedia, the free encyclopedia Seafloor massive sulfide deposits or SMS deposits, , silver and zinc seafloor massive sulphide (SMS) deposits, and mineral extraction from an SMS system

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  • Subsea Mining - Deep Sea Ocean Mining & Seafloor Dredging ,
    Subsea Mining - Deep Sea Ocean Mining & Seafloor Dredging ,

    These geothermal vents have a tendency to create globular deposits of valuable metals including gold, silver, copper, cobalt, and various other rare earth elements These sulfide deposits, also called seafloor massive sulfides, can contain concentrations of minerals and resources of up to 10 times greater than what could be found on land

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  • Exploring for Mineral Deposits on the Seafloor with ,
    Exploring for Mineral Deposits on the Seafloor with ,

    mineral deposits on the seafloor Similar to airborne TEM surveys conducted on land, marine TEM systems can use a concentric or coincident wire loop transmitter and receiver towed behind a ship Such towed-loop TEM surveys could be further augmented by placing additional stationary receivers on the seafloor throughout the survey area

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  • Deep-Ocean Mineral Deposits: Metal Resources and Windows ,
    Deep-Ocean Mineral Deposits: Metal Resources and Windows ,

    Oct 01, 2018· The deep seafloor covers about 60% of the Earth’s surface and hosts a spectrum of geological settings, geomorphologic features and ecosystems This diversity, and its long and dynamic history, results in the deep seafloor hosting mineral deposits that are both similar to those found on the continents as well as types unique to the oceans

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  • Seabed Mineral Deposits | Mindesea
    Seabed Mineral Deposits | Mindesea

    Seabed mineral deposits represent the most important yet least explored resource of CRM and base metals on the planet These polymetallic deposits include: nodules rich in manganese, copper and nickel; crusts rich in cobalt, tellurium, rare earth elements and platinum group elements; phosphorites rich in phosphorous, yttrium and rare earth elements; seafloor massive sulphides rich in copper .

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  • Seafloor Minerals - USGS
    Seafloor Minerals - USGS

    The seafloor contains deposits of minerals that we we use in everyday life such as copper, zinc, nickel, gold, silver, and phosphorus These deposits occur as crusts on volcanic and other rocks and as nodules on abyssal plain sediment that are typically about 3 to 10 centimeters (1 to 4 inches) in diameter

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  • Deep sea mining - Wikipedia
    Deep sea mining - Wikipedia

    What is/are one source of mineral deposits on the seafloor Volcanic vents are one source of mineral deposits on the seafloor s Expert answered|matahari|Points 68630| Log in for more information Question Asked 264 days ago|8/13/2020 2:42:17 AM 0 Answers/Comments

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  • Deep-sea mining: plundering the seafloor’s minerals | E&T ,
    Deep-sea mining: plundering the seafloor’s minerals | E&T ,

    Feb 18, 2019· These metal-containing deposits are located around mid-ocean ridges where the sea floor is, or was, volcanically active Mineral-rich superhot water from underlying magma meets cold deep seawater and forms a crust on the seafloor at a depth that is often richer in minerals, particularly copper, than can be found in land deposits

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  • Minerals | Free Full-Text | Insights into Extinct Seafloor ,
    Minerals | Free Full-Text | Insights into Extinct Seafloor ,

    Over the last decade there has been an increasing interest in deep-sea mineral resources that may contribute to future raw metal supply However, before seafloor massive sulfides (SMS) can be considered as a resource, alteration and weathering processes that may affect their metal tenor have to be fully understood This knowledge cannot be obtained by assessing the surface exposures alone .

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  • Seafloor massive sulfide deposits - Wikipedia
    Seafloor massive sulfide deposits - Wikipedia

    Seafloor Mineral Deposits There are a wide variety of deep-sea mineral categories; however, our team focuses on those marine mineral categories that have the greatest resource potential Seafloor pavements and encrusted rocks are known as ferromanganese crusts (also called cobalt-rich crusts) These crusts grow very slowly, at several .

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  • Staking a claim: Deep-sea mining nears fruition
    Staking a claim: Deep-sea mining nears fruition

    May 14, 2014· Deep-Sea Mineral Deposits Credit: Kathleen Cantner, AGI Although seafloor sediments containing highly concentrated layers of manganese and iron-hydroxide-rich nodules were first identified in the late 19th century, it wasn’t until the 1960s that the earliest attempts to recover mineral wealth from the deep sea were made

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  • Can Science Keep Deep Sea Miners From Ruining the Seafloor ,
    Can Science Keep Deep Sea Miners From Ruining the Seafloor ,

    Ocean explorers and entrepreneurs have been thinking about how to scoop up mineral-laden deposits on the seafloor since the HMS Challenger dragged a few up in a bucket during its globe-trotting .

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  • Heavy Metals on the Deep Seafloor - geol-amuorg
    Heavy Metals on the Deep Seafloor - geol-amuorg

    A good deal of offshore mining today is in shallow water - generally less than 300 m Targets for deep-sea mining are at far greater depths, and limited to just three classes of mineral deposits - seafloor massive sulfides (SMS), manganese nodules and co-rich ferromanganese crusts

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