XinHai Mining

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    • Jordan: Ancient Metallurgy

      Since iron did not fully melt at the temperatures ancient metalworkers were able to produce, iron was normally worked by other methods (outside of China), but lead, copper, and bronze were usually cast, and molds have been found from metalworking cultures around the world.

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    • Geology, Prospecting and Exploration for Iron Ore Deposits

      Geology, Prospecting and Exploration for Iron Ore Deposits. Iron has been known since antiquity. Iron is ubiquitous in the lithosphere as either a major constituent or in trace amounts. In abundance it ranks fourth behind oxygen, silicon and aluminum. Iron ores have a wide range of formation in geologic time as well as a wide geographic distribution.

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    • How the Ancient People Initiate the Mining Techniques

      How the Ancient People Initiate the Mining Techniques. The process of mining the earth and finding the metals, minerals, etc and again making the earth to return back to its original state consists of different steps. Generally, mining techniques can be broadly classified into two types, they are Surface Mining and Underground Mining.

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    • Did ancient miners have ways of predicting ore/stone deposits?

      Here is a link on some ancient Greek and Roman mining methods, and here is one on ancient Egyptian gold-mining techniques. Note the similarities of the latter to panning during the California gold rush 2000 years later.

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    • technology - How was iron obtained in ancient times

      Bog Iron. Iron production in significant quantities began around 500 BC. One important source of iron was bog iron which are nodules of iron oxide found naturally at the bottom of swamps. With a rake it is easy to collect them. The Teutons and the La Tene culture, for example, likely used bog iron to make weapons.

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    • Ancient Roman Mining - Earth science

      188]. Roman mining tools excavated from Baetica, Spain are shown in Figure 2. On the bottom row are examples of a pick and a hammer. Figure 2 [after Shepherd, p. 21] The iron tools of the miner did not change into the colonial period.

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    • Ancient Mines - Ancient Trenches

      Great Lakes Copper Mining in Ancient Times and the Old Copper Culture Below are examples of the forms native copper comes in at the lodes at the Upper Pennisula of Michigan. Because of the copper39;s purity, it can be traced chemically to Europe in the Bronze age and even to the Middle East when it turns up in Old World archaeological sites.

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    • Ancient Mining Techniques | Mythic Scribes Writing Forums

      Dec 04, 2018 · You ain39;t gonna read Agricola front to back anyway. It39;s tough sledding. But the pictures (be sure to get a copy with pictures!) are grand. There are, btw, a bunch of good articles on mining, but you have to get specific. Tin mining. Salt mining. Time and place will turn up even better treasures.

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    • Ancient Mining Tools and Techniques | Owlcation

      Ancient Mining Tools and Techniques. Gold, Silver, and Copper Make Nice Jewelry. Evidence has it that gold has been mined since about 3000 BC. The oldest objects of gold were discovered in the Sumerian capital of Ur, which is in the southeastern part of present day Iraq.

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    • ancient iron mining techniques - laerchenrain.it

      Ancient Methods Of Extracting Iron Ore. ancient methods of extracting iron ore. ancient methods of extracting iron ore ancient methods of extracting iron ore As a leading global manufacturer of crushing, grinding and mining equipments, .

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    • Geology, Prospecting and Exploration for Iron Ore Deposits

      Exploitation of existing iron ore deposit is the easier part of the mining operations. The harder part is to find new ore deposits and to define their extent and the iron content (grade). Exploration is the process by which the accumulations of iron ore minerals can be found in the earths crust.

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    • Mining of Iron Ores IspatGuru

      Mar 14, 2014 · Mining techniques usually consist of two types based on excavation methods. These are surface mining and underground mining (sub surface mining). Iron ore is almost exclusively mined by surface operations. The most predominant surface mining methods used for mining of iron ores are open pit mining methods and open cut mining methods. However a few underground iron ore mines are also in operation around the globe.

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    • What are the main methods of mining? | American Geosciences

      There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits. Surface mines are typically used for more shallow and less valuable deposits. Placer mining is used to sift out valuable metals

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    • Prehistoric Mining - Crystalinks

      Ancient Rome. The Romans used hydraulic mining methods on a large scale to prospect for the veins of ore, especially a now obsolete form of mining known as hushing. It involved building numerous aqueducts to supply water to the minehead where it was stored in large reservoirs and tanks. When a full tank was opened,

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    • Prehistoric Metallurgy - Ancient-Wisdom

      The Earliest Copper Mining Europe: (Vinca Culture, c. 5,000 BC). The early Neolithic mine of Rudna Glava near Majdanpek is an example of the oldest known technology of Vinca copper working. The developed skills of the Rudna Glava miners are indicated by the ore-emptied shafts no less than 20m deep.

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    • How did iron and bronze age civilizations effectively mine

      It is so bizarre to me to think of mining for iron in a bog of all places. quot;Yeah, let39;s go somewhere marshy and wet to look for iron!quot; Sure, there isn39;t much oxygen to turn the iron into rust, but neither is there water flow to erode the rock and leave the iron (if indeed that is what happens when water flows over iron ore/iron-containing rock.)

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    • How did iron and bronze age civilizations effectively mine

      It is so bizarre to me to think of mining for iron in a bog of all places. quot;Yeah, let39;s go somewhere marshy and wet to look for iron!quot; Sure, there isn39;t much oxygen to turn the iron into rust, but neither is there water flow to erode the rock and leave the iron (if indeed that is what happens when water flows over iron ore/iron-containing rock.)

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    • Brief History of Mining amp; Advancement of - General Kinematics

      Since civilization began, people have used mining techniques to access minerals in the surface of the Earth. Discoveries have shown that flint pebbles were extracted from deposits in France and Britain as far back as the New Stone Age. Ancient Egyptians mined copper as far back as 3000 BCE. In the earliest days, mining was slow-going and dangerous.

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    • Iron Ore Mining Techniques, Metal Extraction, Types of Iron

      Iron ore mining is classified into two categories- manual mining and mechanized mining methods. Haematite and magnetite are the most commonly found iron ore minerals. Deposits of iron ore such as haematite containing iron oxide are found in sedimentary rocks from which the oxygen is removed from the iron oxide in a blast furnace to give iron as a result.

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    • ancient iron mining techniques - denmtrading.nl

      Ancient Mining Techniques - Labyrinth. Ancient mining techniques go well back into , then bronze, gold, silver, iron, all in the name of progress , ancient hydraulics which contain more details on . Get info; ancient iron mining techniques - dianpumom

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    • Prehistoric Mining. - Ancient-Wisdom

      Mining in Prehistoric Africa. Swaziland: At Lion Cave in Swaziland, ancient miners cut a tunnel 25 feet wide, 30 feet deep, and 20 ft high. This tunnel was cut into a cliff face 500 feet tall. This is apparently the oldest known mining operation.

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    • Ancient Mining Techniques - uwlabyrinth.uwaterloo.ca

      Ancient mining techniques go well back into our history well back into our. more sophisticated tools and weapons being designed and developed, so too, masses of flint (or by some translations, quartzite) are burst asunder by fire and. life of peril and suffering the unfortunate slaves, criminals and workmen who.

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    • Roman Mining

      Roman mining. Roman mining was well ahead of its time. The Romans were the first to use sophisticated technology to mine for mineral deposits such as iron, copper, tin, lead or gold. Iron had varied uses and was used to make tools and weapons. Tin and copper were used to make bronze. Silver and gold were used for jewelry and currency.

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    • Mining Techniques of the Sierra Nevada and Gold Country

      In the beginning, the gold-bearing quartz was wrenched from underground veins by backbreaking, dimly lit sweat and blood. However, imported miners from Cornwall and Wales adapted ancient European mining techniques and brought modern technology to the enterprise. The miners followed the veins and blasted the gold from the quartz.

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    • Mining Resources in Ancient Egypt | Sciencing

      Ancient Egyptians discovered the natural occurrence of mineral resources in their environment and developed methods for mining them over the course of their civilization. Recovered Egyptian texts and the excavation of mining sites demonstrate how mineral deposits, stone and various metals were all excavated and

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    • Ancient iron production - Wikipedia

      The contemporary knowledge of slagging gives insights into ancient iron production. In a smelting furnace, up to four different phases might co-exist. From the top of the furnace to the bottom, the phases are slag, matte, speiss, and liquid metal.

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    • Mining - Wikipedia

      Mining techniques can be divided into two common excavation types: surface mining and sub-surface (underground) mining. Today, surface mining is much more common, and produces, for example, 85% of minerals (excluding petroleum and natural gas) in the United States, including 98% of metallic ores.

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    • The Egyptian Knowledge of Metallurgy and Metalworking

      Ancient Egypt did not have several kinds of mineral ores, such as silver, copper, tin, lead, etc., even though they produced large quantities of electrum (an alloy of gold and silver), copper, and bronze alloys. The Ancient Egyptians used their expertise to explore for mineral ores in Egypt and in other countries.

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    • MINING GREECE ANCIENT MINES

      There were very good mining areas around Greece. The northern mountains of Thrace had large gold and silver deposits. Cyprus was known for its copper, gold, and iron. Laurium was known for the sliver and iron ore deposits. Ancient mining techniques go well back into our history well back into our prehistory, in fact.

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    • Roman Mining

      Roman mining. Roman mining was well ahead of its time. The Romans were the first to use sophisticated technology to mine for mineral deposits such as iron, copper, tin, lead or gold. Iron had varied uses and was used to make tools and weapons. Tin and copper were used to make bronze. Silver and gold were used for jewelry and currency.

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