Precious Metal Refiners Purify Gold ( Video )

Throughout the world there are mines that are extracting precious metals out of the ground and sending them to gold refiners where they can be purified. Taking the lumps of rock and ore that are mixed together in veins the precious metal refiners are able to extract the gold from the rest of the rock by melting it down.

Once in a liquid form the gold can be poured and cast into ingots or molded to form chains and other jewelry. By superheating the raw minerals to their boiling point gold refiners are able separate the rock and purify the precious metal to its full glory.

As gold is not always as shiny and brilliant when it is unearthed as it is once it has been refined most people do not recognize the valuable mineral if they were to stumble upon it while hiking. Running in veins through the rock the precious ore is mixed with all kinds of material that has to be separated and sifted before the gold receives its luster.

In many instances only the dull yellow tint of a rock reveals the gold that is hidden beneath the earth. Through the process of refining the dirt and other minerals fall away until all that remains in pure gold. However, most of the minerals that are surrounding the vein of gold contain other precious metals refiners can use in their work. Platinum, palladium, rhodium and silver can be found alongside the gold 

Gold Mining In Eritrea Africa

Eritrea is one of the developing countries in the production of gold in Africa. Having gained its independence in 1992, the country is relatively young compared to other African countries. Eritrea has worked its natural resources for some time and now several projects to be developed. It is expected that approximately four major mines will be operational in 2018.

The country has only a commercial gold mine, mined with most of its gold from Little artisanal miners. Nearly all of the Large gold deposits remain intact.

Eritrea has a Far history of gold mining. Early gold mines in the country were artisanal miners, mined gold from gold deposits along the route of the Red Sea, especially around the Arabian Nubian Shield. As part of Empire of Ethiopia.This country never had the influence of white colonialists and so most of its resources have been discovered and mined by the locals.

The civil war with Ethiopia which led in 1992 for the independence of the country disrupted and also most of the mining activities in the country, and this could be pointed out as the main reason why the country, AEOS mining sector is the least developed.

The government in recent years has been hand in hand with foreign investors to set up and operate a strong gold mining in the country . Most of these companies are involved in exploration activities in several places are already working to develop various gold deposits. Some of the major international players in the country, AEOS gold sector include:

Junior Sub-Sahara Resources

This is an Australian company that owns Approximately 80% in three main exploration licenses in Eritrea. The company has rights to the Dabarwa block, Adi Nefas block and Medrizien block which covers Approximately 1,200km2. These are very promising grounds around the country, AEOS capital Asmara. The company is also working on developing and mining the Zara gold project, after 70% of the project of Dragon Mining NL 2003

The company recorded success in its gold projects to Asmara with significant gold mineralization having been discovered the ancient plant to the Woki Duba and Medrizien sites. Several other minerals such as zinc, have found lead sulphides and copper also in major exploration sites.

Rift These Resources
is another major gold mining companies in Eritrea. The company has been active in the last few years in gold and some other base metal exploration in several places within the country. Its principal gold project is the Adi Nefas project is located north of Asmara. Today that is projected was Approximately 4.4 g / t grading and Approximately 165 g / t silver to have appreciated. Other major projects that the company owns include Nefasit mount Subab project Tekeze field gold project and the Kefina project. The company also owns Approximately 40% of the shares in Anglo American, AEOS Augaro Gold Project.

Nevsun Resources Ltd

This is an important Africa focused gold mining company . The company has four exploration licenses on a project that covers over 1,188km2 in Augaro area. The company also owns 60% in the Bisha Mining Company with the remaining shares by the Eritrean National Mining Corporation (ENAMCO) is owned. The company mines gold, copper and zinc from several mines within the country.

Sanu Resources Inc.
This is another major gold mining companies with an interest in Eritrea, AEOS gold sector. The company grew out of the British Virginia Island and has exploration and mining licenses for Kerkebet and Gieba regions in the northern parts of the country.

What Is Gold Bar ( Video )

Gold is something with which we all are familiar. It is a metal, which changes life with its value. It makes business with what it is worth of and opens a completely new line of opportunities in financial sector. It indicates power, strength, and wealth. A possessor of this metal is looked upon with respect.

Moulding a metal in shape of bars is a common practice. Sometimes, it is for convenience in storage and sometimes for ease in shipment. In case of gold, it is mainly to store the metal, as gold being a precious metal, is usually not shipped in that huge quantities that is difficult to move as such. Therefore, as the name implies, a gold bar is a bar shaped piece of the metal, gold.

The gold bars, which are available are of different types, have different weights and thus different values. The procedure by which the gold bars are prepared or manufactured is the distinguishing factor in its different types. Mainly   gold  bars are manufactured using two different type of  methods , casting method or the minted method.

Casting the gold involves, at the very first, the purification of the gold and then its liquefaction. It is then poured into a mould, which is a hollow tank with a desired shaped cavity inside it. After pouring the liquid metal, the setup is left for a particular time, and is allowed to cool. The final step is to eject or break the metal, which in this case is gold, out as per the requirement.

The second major method of its formation is minting. Though mainly used for making coins, this  method  is also used for  gold . It involves cutting a gold piece in required dimensions by a piece of gold used as a tool. The markings on the gold bar are made from mechanical presses. We usually see gold bars in movies in the form of 400-ounce London goods delivery. These are quite famous and this is the very type held by many central banks. Its standard weight is 12.44 kilograms.

There is a certain mystery related to gold bars. The mystery finds its origin in China. It is not merely a story, but it indicates and highlights the importance of gold, its bars in human lives, and in their dealings related to money even in the past. It is said that seven gold bars were issued to a General named Wang, of Shenghai back in 1933.

After that, the bars became common and were to act as bank certificates as a return to money deposits. There are markings and words written on these gold bars but in a script, which is not recognised yet, thus making the use of the bars quite mysterious. However, by this mystery it became clear that gold bars in that time were used as a money exchange certificate.

Gold tola bars are common these days. This means that bars are weighed in tolas and are kept by governments all over the world in their central banks, indicating their wealth and power of their currency. Even locally, the people like investing their money in gold and purchase the bars. They like to keep them and sell these money carriers when their value maximises. This has become a profitable business.

Melting Pure Gold Sponge and Pouring a Gold Bar

Gold Mining In Benin West Africa

Benin is an important mining country in West Africa. It is near Africa’s second largest gold producer; Ghana.It is in the same geological setting as the leading gold producer in Africa within the West African geographical formation.

Most of the gold in Benin is dominated by artisanal gold miners from the gold-Wealthy veins near the villages of Tchantangou and Kwatena in the Atakora Mountains in the Northwest region of the country. Gold has also from alluvial gold sediments from the Perma-river and its tributaries. 

Artisanal MiningMined In Benin

Not much of commercial gold mining been done in the country, but the authorities, the mining affairs in Benin, the Office Béninoise des Mines (OBEMINES) has been working with other state administration bodies of the country’s mining law with the aim of attracting foreign investment in the gold sector to revise.

Gold Mining in Benin is not new. It goes back to the pre-colonial period, was mined as alluvial gold along the rivers for the king. Most of the gold traded in the trans-Saharan trade came from rivers in present-day Benin and Ghana. 

Throughout history, the country’s alluvial gold was mined by artisanal gold mines along the rivers and in the mountains areas. Several studies have been conducted in the past to the presence of gold in the country, but limited commercial mining was started . This leaves a Large potential of gold mines to be explored in the country.

In same geographical location with some of Africa’s gold producers such as Ghana and Mali indicates that the country has great potential as a gold producer. 

Exploration Permits Are Issued

The government has received a number exploration licenses in international gold mining companies for gold exploration in the country in recent years. Most of these companies have taken the first positive results, which suggest that the country could have far more gold resources to be explored.

Quite a significant amount of gold mineralization has been discovered in two Alibori and Atacora regions. Alluvial gold contained , were also been found in several places outside these regions, so the widespread deposits. Further research is still to be determined in the commercial viability of gold resources.

Commercial Mining in Benin

Premier African Minerals Limited is an important AIM traded, natural resources and raw materials company with gold mining interests in Benin. The company, through its subsidiary G & B African Resources Benin SARL holds exploration rights in Benin. The company has an exploration license to a 249.75km2 mineral block in the eastern part of central Benin. 

The property is located Approximately 75 km north of the town of Parakou and has a great history of artisanal gold mining. Preliminary studies on the block done shows great potential of gold mineralization, although further studies are still needed before commercial gold mining can Start. 

The location of the gold property is particularly highlighted by Proterozoic gneisses migmatic. Since the early 2000s the area intermittently artisanal mining activities for tantalum and colored gemstones such as tourmaline and was seen blue beryl (aquamarine) .

The Ministry of Mining in Benin to facilitate all artisanal mining activities of mineral exploration and other commercial gold mining lately. A preliminary survey of the company based on satellite images of the license areas has identified 39 key areas for gold, tantalite and gemstones.

These objects are grouped into three bands pegmatite, one covers a length of Approximately 10 km, a second, a length of Approximately five kilometers and the third a length of Approximately three kilometers. The latter is especially potential for colored gemstones, the other two for both gold and tantalum.

Gold-Silver Project Hasbrouck In Nevada

The Hasbrouck gold-silver project is located in the northern part of Esmeralda County, near the town of Tonopah, Nevada, USA. The project is 75% owned by West Kirkland Mining (ERM) and 25% of Clover Nevada, a wholly owned subsidiary of Waterton Precious Metals Fund II Cayman.

The project is proposed to be developed in two phases. Phase I involves the development of the Three Hills gold deposit that is to be expected a production period of two years. Phase II is the development of Hasbrouck gold-silver deposit include, are likely to have six years. 

The pre-feasibility study (PFS) for the gold and silver project in Nevada was completed in June 2015 and the final approval from the government for the construction of the Three Hills Mine from April 2016. The Perform on the approval of Phase II under environmental assessment began in May 2015, the initial cost to the Three Hills mine is expected in production, is estimated to be $ 54.3 million, while Hasbrouck is funded from the production in Three Hills mine 

Hasbrouck Gold-Silver Project Reserves And Production

From June 2015, the Three Hills mine is proven to keep estimated combined and probable reserves of 9.65 million tonnes (Mt) grading 0.018 oz Au / t containing 175,000 ounces of gold.

The Hasbrouck Mine is estimated that proven and probable reserves of combined 35.671Mt grading 0.017 oz Au / t and 0.297 oz Ag / t, with 588,000 ounces of gold and 10.56 million ounces (Moz) of silver.

The hold annual production capacity of the project is estimated at an average of 71,000 ounces of gold. The project is expected to produce 138,000 ounces of gold at the stage in Phase II I and 429,000 ounces of gold, while silver production is estimated in the phase II to 194,000 ounces per year. 

Geology And Mineralization

Includes  , the two deposits are oxidized, low sulfidation, epithermal vein systems with host rocks tuffs and sediments of Siebert formation with limited mineralization within the underlying fraction Tuff. Gold and silver mineralization is either on the surface or near the surface, above the water level, and is open at depth and to a limited extent in the Northwest and East. 

Mining And Processing Of Gold And Silver Project In Nevada 

The Three Hills deposit is proposed to be mined as a run-of-mine open pit heap leach conventional open pit, truck and- shovel to integrate operations, while the deposit Hasbrouck be mined as an open pit heap leach ore crushed. The former is to integrate a 15,000t / d heap leach pad, while the latter incorporate a 17,500t / d leach pad.

The ore from two Phase II secondary cones with a primary jaw crusher, crushed crusher, and a tertiary high-pressure grinding roll (HPGR). The comminuted product is transported in a kneading machine with cement and to the leach pad. 

The leaching gold and silver from the Hasbrouck deposit and the gold from the Three Hills deposit at their respective locations with dilute cyanide solution that pass on through carbon columns to extract a precious metals.

The loaded carbon is then in adsorption-desorption-recovery (ADR) plant that are in the Three Hills . The loaded carbon from the Hasbrouck mine will be transported by trucks to the ADR facility. 

Infrastructure For West Kirkland Mining Flagship Project

The water required for the project is proposed to either be purchased from the Tonopah Public Utilities “(TPU) wellfield in Ralston Valley via an underground pipeline or installed next to each deposit wells.
“the two deposits are oxidized, low sulfidation, epithermal vein systems tuffs with host rocks comprising the sediments and Siebert lineup. “

The current for phase I of liquefied natural gas (LNG) -based generator are supplied, while the performance for the next phase of NV Energy supplied regional power distribution company, via a transmission line. A substation is on Hasbrouck location be built and both sides are a diesel-fired generator integrated to serve as back-up.

infrastructure for phase I, a laboratory will include a reagent storage building, a process Store and a warehouse, and serve three trailers as offices, will be relocated to Hasbrouck location in the next phase.

Important infrastructure at Hasbrouck site is building inclusion include administrative offices, a warehouse, a test laboratory and accommodations.

Gold Mining in Gambia, West Africa

The Gambia is one of the well known surrounding gold producer in West Africa, Senegal, on three sides and thus shares much of Senegal's geology. This makes the country very interesting for most gold investors especially if the fact that most of its natural resources have yet to be fully exploited.

Gambia contain of multiple the natural resources, gold, tin, titanium, laterite and quartz sand. This makes the country, very important for the country,Business add mining sector a significant share of GDP country,

Mining Development in Gambia

History of Gold Mining in the US

Gold   mining  consist of a number of processes and techniques, employed to extract raw  gold  from earth. These  gold  extraction techniques include  gold  panning, metal detecting, sluicing, dredging etc.

This metal is an expensive element; thus, individuals and nations have always been interested in  gold  extraction, mainly to gain economic benefits. In the United States of America, a major rush of  gold   mining  took place with the discovery of  gold  at the Reed farm in North Carolina, in 1799. Thirty years latter, this metal was discovered at the southern Appalachians in Georgia, which was followed by the California  Gold  Rush in 1848-52 in the Sierra Nevada, as a result of which a lot of people started to settle down in California. This was only the beginning of the history of this metal discovery and mining in America. Later on, many states in America, like Alaska, Alabama, Texas, Virginia and many more, were found to be blessed with reservoirs of this metal.

The Real Gold Mine

For those of us that do want to have some level of financial security we try to save and invest our money at any opportunity. Some people do this on their own, while the majority of people have some sort of financial professional offering them advice. I personally have an account set up with a financial advisor. Most financial advisors will tell you to “diversify” your money and investments. But, do they really mean it? Yes, they mean it as long as it makes them money.

Gold Mining And Production

After the key gold mining discoveries in the United States and Australia around 1850, those two countries remained significant gold producers.

However, South Africa has larger reserves, and by 1930 was producing 53% of the world’s new gold. That was the start of the Great Depression, which slowed down economic activity around the world, beginning with the 1929 Wall Street stock market crash, the failure of the Credit Anstalt Bank of Austria in 1931 and Great Britain’s suspension of the gold standard in 1931.

President Franklin Roosevelt raised the official price of gold (in effect, inflating the value of the US dollar, which had been suffering from the deflationary effects of the Depression) from $20.67 to $35.

Gold Mineral Resources In Tajikistan

Extensive Gold & Mineral Resources in Tajikistan  is one of the mineral resource - Wealthy countries in Asia. Unlike gold discovery has collected from nearly all other mineral resources the country. In fact, Tajikistan has reported Approximately 400 mineral resource deposits. Geological studies demonstrate that the country has a significant amount of gold deposits, which are still used, suggesting that there is significant opportunity for gold investors to take advantage of this neglected resource and assist in the recovery of gold and precious metals in Tajikistan. 

Mining Tradition In Tajikistan

Open Pit Mining Process

Opencast sometimes referred to as open cut mining, surface mining or simply open pit is extracted a mining technique that important minerals from a borrow or an open pit.

There are two types of extraction methods, commonly used in Large scale mining mineral; Open pit mining and tunnel mining or Under ground mining. Opencast mining is used when the minerals are on the surface only in the vicinity are degraded. This is especially when the soil or material covers the minerals are relatively thin and can be easily moved for mining to take place.

Open Pit Gold Mining Video

Blasting in open pit mine

Open-pit gold mining is the process of mining by way of excavation which was made on the surface of the soil with the aim of finding gold mineral ores and worked for the mine life. In the exposing stage and the process of mineral ore mine in open-pit gold mining, is generally carried out in the gold mining industry on a large scale which required the excavation process and move the rocks in large quantities. In the mining industry, gold obtained by isolating it from rock gold ore (extraction). According to Greenwood et al (1989), rock gold ore decent to be exploited as the gold mining industry, gold content of approximately 25 g / tonne (25 ppm).

Open-pit gold mining the have main objective of the commercial value and open mining operations undertaken with the value of the lowest possible cost in the exploitation of mineral deposits and generate maximum profit. Planning, Selection of the physical design parameters of open pit mining, scheduling program for the extraction of mineral ores is an important stage in the open-pit gold mining.

Find Gold Prospecting In Beach ( Videos )

Gold prospecting in beach is an accumulation of valuable minerals formed by gravity separation during sedimentary processes and in geology called placer deposits . Beach placers form on seashores where wave action and shore currents shift materials, the lighter more rapidly than the heavier, thus concentrating gold .

Placer environments typically contain black sand, a conspicuous shiny black mixture of iron oxides, mostly magnetite with variable amounts of ilmenite and hematite. Valuable mineral components often occurring with black sands are monazite, rutile, zircon, chromite, wolframite, and cassiterite.

Among the examples of beach placers are the gold deposits of Nome, Alaska; the zircon sands of Brazil and Australia; the black sands (magnetite) of Oregon and California; and the diamond-bearing marine gravels of Namaqualand, South Africa.

Chuquicamata The Largest Open Pit Copper Mine In The World ( Video )

The Chuquicamata mine is The largest open pit in the world with mining production Copper, gold an silver, and copper as the main product. The mining operations carried out by Coldeco at once owner of Chuquicamata mine in Chile and  Open pit mining in this Chuquicamata  is estimated to have a length of approximately 4.3 km , with  3km wide, with a depth of about 850m and Chuquicamata is also the largest open pit copper mine in the world

Chuquicamata (choo-kee-kə-MAH-tə), or as it is more familiarly known with "Chuqui" , located 16 km from Calama at 2,850 meters above sea level, has been operating since 1910.

In 2014 the Chuquicamata mine has produced copper as the main product of about 340.4kt of fine copper in cathode and copper concentrate,  production of gold produced from the mine is reached 757 t gold and silver 186.9 t.

New Top 5 Largest Open Pit Gold Mines In The World

Gold is a popular metal in the world because the characteristics, properties and composition. This metal has been a valuable and highly sought-after precious metal for coinage, jewelry, and other arts since long before the beginning of recorded history. The world consumption of new gold produced is about 50% in jewelry, 40% in investments, and 10% in industry.

Gold Ore occurs often in free elemental (native) form, as nuggets or grains, in rocks, in veins and in alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum) and also naturally alloyed with copper and palladium. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides).In 2014 a total of 183,600 tonnes of gold have been mined in human history. This is equivalent to 9513 m3 of gold.

Many mining companies have exploited gold deposits to make the biggest gold mines in the world,  extracting gold ore requires large facilities. Open-pit mining, open-cut mining or opencast mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. The result of using this technique is a huge visible scar on the earth surface

Here Is A New List Of The Top 5 The Largest Open Pit Gold Mines In The World

Results New Drilling Process Balmoral Resources At Martiniere

MDE-14-143 Bug Lake Footwall Zone - Gold Smeared on Outside of Core

Results drilling process Balmoral Resources Ltd. ("Balmoral" or the "Company") (TSX: BAR; OTCQX: BALMF)  at Martiniere property in province of Quebec Canada from its summer or fall in 2015 has resulted in new discoveries, gold bearing, fault system - the Lac du Doigt ("Finger Lake") Fault Zone - which has the potential to extend for several kilometres across the Property, in addition to results from infill and expansion drilling along the Bug Lake Gold Trend

Balmoral Resources is a proudly Canadian exploration and development company focussed on creating shareholder value through the discovery, aggressive exploration and development of high-grade gold and base metal assets in the major mining districts of Canada and in particular the province of Quebec

Top 10 Deepest Mine In The World

Currently now underground mining operation constitute the deepest mine in the world, with an average depth of between 2.5 km into the subsurface. The leader of the deepest mine in the world at this time is South Africa country, because there are many in the southern African countries that operate underground gold mines and two located in Ontario, Canada,  this mine is  Kidd Creek mine and Creighton mine. Three mine in South Africa are operated by the mining giant AngloGold Ashanti while the other mine belongs to Gold Fields.

This is the Top 10 deepest mine in the world

1. Mponeng Gold Mine 

Mponeng Gold Mine is the world’s deepest gold mine, this deepths mine of between 2,400m and 3,900m via a twin-shaft system in underground. Mponeng is a  gold mining industry in South Africa located south-west of Johannesburg, operations and owned by AngloGold Ashanti.

AngloGold Ashanti’s Mponeng mine in the North West Province of South Africa is one of the world’s deepest and richest gold mines with grades at over 8 g/t. It is one of three AngloGold projects in the West Witts area.

Mineral ore mined is treated and smelted at Mponeng’s gold plant. The ore is initially ground down by means of semiautogenous milling after which a conventional gold leach process incorporating liquid oxygen injection is applied. The gold is then extracted by means of carbon-in-pulp (CIP) technology. The plant conducts electro-winning and smelting (induction furnaces) on products from Savuka and TauTonaas well.

Total inclusive mineral resources as at December 31, 2014, were 86.38-million tonnes grading 17.52 g/t of gold. And total exclusive mineral resources were 44.12-million tonnes grading 18.01 g/t of gold.  Mponeng gold mine is currently undergoing expansion to extend the mine life beyond 2040.

Gold Mining Project Tulu Kapi In Ethiopia.

KEFI  Minerals  (AIM:  KEFI), has  appointed  and told investors it has selected  African  Mining  Services  ( AMS ) ,  a  wholly-owned  subsidiary  of  Ausdrill Limited, as preferred contractor for mine establishment and operation for the Tulu Kapi gold mining project in Ethiopia.

The arrangement will cover certain pre-mining earthworks as well as the life-of-mine open pit operation, though Kefi will remain directly responsible for key input costs such as explosives and fuel.

With a Probable Ore Reserve of 1.05 million ounces and Mineral Resources totalling 1.72 million ounces of gold, the Tulu Kapi gold project in Western Ethiopia is being rapidly progressed towards development.

The altitude of the project area Tulu Kapi gold mining in Ethiopia  is between 1,600m and 1,765m above sea level. The climate is temperate with annual rainfall averaging about 150cm.

Tulu Kapi Gold Mine In Ethiopia Gold Mining Project By KEFI Minerals

Tulu Kapi Gold Mine is situated 28km east of Ayra-Gulliso town in the state of Oromia, Ethiopia. Gold deposit in Tulu Kapi gold mines Ethiopia was discovered and mined on a small scale by an Italian consortium in the 1930’s. And in 2009 Nyota Minerals Limited acquired the licences Tulu Kapi gold mine and then undertook extensive exploration and drilling which culminated in December 2012.

Tulu Kapi gold mines in Ethiopia is now owned by KEFI Minerals, who bought 100% of the license held earlier by UK-based gold exploration and development company Nyota Minerals (Ethiopia) by 2014.

KEFI Minerals was formed on 24 October 2006 with a view to creating shareholder value through the discovery and exploitation of gold and copper deposits. The Company’s initial assets were EMED Mining’s exploration interests in Turkey and Bulgaria.