Research from Cranfield University sheds new light onto the transition from the Bronze Age to the Iron Age, showing how ...
Ancient copper smelters may have accidentally set the stage for the Iron Age. At a 3,000-year-old workshop in Georgia, ...
The dig site was originally analyzed in the 1950s, when archeologists found an iron oxide mineral called hematite and a waste ...
TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...
On paper, operating the two mines as one looks easy. In practice, doing so could turn into a technological and haggling ...
Copper mineralization occurs in many forms and in a variety of geological settings. As such, there are various factors to consider when determining the value of different types of copper deposits.
The Parrot lode was one of the first hard-rock veins discovered on the Butte Hill, by Dennis Leary and H.H. Porter in October 1864. The vein and its extensions ran about east-west, from what is now ...
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