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how did miners know where to mine ore

Mining in Idaho - Idaho State University

The smart miners soon learned they would have to use machinery to make money from mining. The gold rush ended when the easy gold ran out but the real mining began after that. Most of Idaho& 39;s placer gold was gone by the time Noah Kellogg and his burro found that lump of lead and silver ore in Shoshone County in 1885.

6 Stages of the Mining Process BOSS Magazine

The mining process is responsible for much of the energy we use and products we consume. Mining has been a vital part of American economy and the stages of the mining process have had little fluctuation. However the process of mining for ore is intri e and requires meticulous work procedures to be efficient and effective.

Mines and Mining History - Virginia City

With its riches first lo ed in 1859 the Chollar Mine later the Chollar-Potosi was one of the leading producers on the Comstock. From its found to the next 80 years miners blasted and carted out some $17 million in gold and silver. The Nevada Mill was erected on the site in 1887 to process the vast amounts of ore taken out of the Chollar Mine.

Gold mining - Wikipedia

It is impossible to know the exact date that humans first began to mine gold but some of the oldest known gold artifacts were found in the Varna Necropolis in Bulgaria. The graves of the necropolis were built between 4700 and 4200 BC indi ing that gold mining could be at least 7000 years old.

ELI5: How do mining companies know where to make mines? How ...

The really long really non-ELI5 version of this is in the book The Map That Changed The World — but the short version is if you found coal at the surface in one place you can do detective work to find it in another place even if it& 39;s not at the surface.

Sulfur Mining and Processing: What to Know General Kinematics

The early days of sulfur mining involved miners finding the element on the earth’s surface in volcanic regions such as Sicily. Up until the 20th century sulfur could also be found on salt domes. The once primitive mining methods used during earlier times have developed with the invention of modern-day equipment that makes sulfur mining more ...

How do mining companies know where to mine gold? - Quora

Funny you ask It’s quite the process - traditionally we call it exploration. It’s what geologists and geophysicists usually do but the occasional mining engineer will be a prospector as well though rarely .

resource - Did ancient miners have ways of predicting ore ...

When miners in the ancient world went looking for materials in the earth like gold or iron did they have ways of predicting where those might be found? For example we now know that diamonds are often found in cone-shaped deposits in old volcanos but that knowledge is related to the study of geology and our understanding of how diamonds are ...

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