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2010-09-22 08:05:00

GREENWOOD VILLAGE, Colo., Sept. 22 /PRNewswire/ -- Metalline Mining Company (NYSE Amex: MMG; TSX: MMZ) is pleased to provide an update on progress at the Sierra Mojada Project, located in Coahuila, Mexico. A new power point presentation is posted to the web, which is being used in investor presentations going forward beginning this week. The Company has received a report on the deportment of silver and zinc from a sample taken from the shallow silver-zinc resource from the San Salvador...

2008-09-04 03:00:18

By Rosemeyer, Tom The Leadville mining district, whose history, geology, and mineralogy have been described in numerous publications, is one of the most famous silver mining camps in the United States. For an in- depth study of the ore deposits and mineralogy of the district, the reader is referred to Emmons, Irving, and Loughlin (1927), Loughlin (1918, 1926), and Shannon and Shannon (1985). The fortunes of mining made several individuals millionaires, mostly from the profits of the rich...


Latest Smithsonite Reference Libraries

28_c851eed3f89ee31fc2bd0758fe1adb0f
2005-05-25 17:08:21

Smithsonite, or zinc spar, is zinc carbonate ZnCO3, a mineral ore of zinc. Historically, smithsonite was identified with hemimorphite before it was realised that they were two distinct minerals. The two minerals are very similar in appearance and the term calamine has been used for both, leading to some confusion.

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Word of the Day
vermicular
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.
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