placer mine
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Mine — Mine, n. [F., fr. LL. mina. See {Mine}, v. i.] [1913 Webster] 1. A subterranean cavity or passage; especially: (a) A pit or excavation in the earth, from which metallic ores, precious stones, coal, or other mineral substances are taken by… … The Collaborative International Dictionary of English
Mine dial — Mine Mine, n. [F., fr. LL. mina. See {Mine}, v. i.] [1913 Webster] 1. A subterranean cavity or passage; especially: (a) A pit or excavation in the earth, from which metallic ores, precious stones, coal, or other mineral substances are taken by… … The Collaborative International Dictionary of English
Mine pig — Mine Mine, n. [F., fr. LL. mina. See {Mine}, v. i.] [1913 Webster] 1. A subterranean cavity or passage; especially: (a) A pit or excavation in the earth, from which metallic ores, precious stones, coal, or other mineral substances are taken by… … The Collaborative International Dictionary of English
mine — 1. noun 1) a coal mine Syn: pit, excavation, quarry, workings, diggings; strip mine, open pit mine, placer (mine), hardrock mine 2) a mine of information Syn: rich source, repository … Thesaurus of popular words
Placer mining — (pronounced plass er ) refers to the mining of alluvial deposits for minerals. This may be done by open pit (also called open cast mining) or by various forms of tunneling into ancient riverbeds. Excavation may be accomplished using water… … Wikipedia
Placer Dome — was a large mining company specializing in gold and other precious metals, with corporate headquarters in Vancouver, British Columbia, Canada.Barrick has acquired 100% of the Placer Dome shares on January 20, 2006, and has integrated the company… … Wikipedia
Mine reclamation — is the process of creating useful landscapes that meet a variety of goals, typically creating productive ecosystems (or sometimes industrial or municipal land) from mined land. It includes all aspects of this work, including material placement,… … Wikipedia
Placer County, California — Coordinates: 39°04′N 120°44′W / 39.06°N 120.73°W / 39.06; 120.73 … Wikipedia
mine — I (New American Roget s College Thesaurus) n. lode, vein, deposit; open pit, burrow, excavation; explosive, bomb; source, treasure trove. See concavity, store. II (Roget s IV) modif. Syn. my own, belonging to me, possessed by me, mine by right,… … English dictionary for students
Placer deposit — In geology, a placer deposit or placer is an accumulation of valuable minerals formed by deposition of dense mineral phases in a trap site. The name is from the Spanish word placer , meaning alluvial sand . Types of placer deposits include… … Wikipedia
gold mine — Mine Mine, n. [F., fr. LL. mina. See {Mine}, v. i.] [1913 Webster] 1. A subterranean cavity or passage; especially: (a) A pit or excavation in the earth, from which metallic ores, precious stones, coal, or other mineral substances are taken by… … The Collaborative International Dictionary of English
