tailings
111Magnetation (iron ore) — Magnetation is a term referring to the processing of iron ore tailings, the waste product of iron ore mines, to recover hematite. Crushed mine tailings are mixed with water to create a slurry; the slurry is then pumped through magnetic separation …
112Mitchells Creek — Goldfield is claimed[by whom?] to be Australia s first goldfield. It is located at Bodangora near Wellington, New South Wales. Gold was apparently first found in this area by a shepherd called McGregor in Mitchell’s Creek on the Montefiore s… …
113Herbert Hoover — Infobox President | name=Herbert Clark Hoover nationality=American order=31st President of the United States term start=March 4, 1929 term end=March 4, 1933 predecessor=Calvin Coolidge successor=Franklin D. Roosevelt order2=3rd United States… …
114Metallurgy — Georg Agricola, author of De re metallica, an important early book on metal extraction Metallurgy is a domain of materials science that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their… …
115Phosphate — Systematic name …
116Scandium — (pronEng|ˈskændiəm) is a chemical element that has the symbol Sc and atomic number 21. A silvery white metal that is always present as compounds, scandium ores occur as rare minerals from Scandinavia and elsewhere, and it is sometimes considered… …
117Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …
118Dewey-Humboldt, Arizona —   Town   Location in Yavapai County and the state of Arizona …
119Canonsburg, Pennsylvania — Geobox|Borough name = Canonsburg official name = category = Borough image size = image caption = flag size = symbol = symbol type = etymology = John Canon etymology type = Named for nickname = Most radioactive town in America motto = country =… …
120Falls City, Texas — Infobox Settlement official name = Falls City, Texas settlement type = City nickname = motto = imagesize = image caption = image mapsize = 250px map caption = Location of Falls City, Texas mapsize1 = 250px map caption1 = subdivision type =… …
