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Latest Bristol Stories

2011-12-07 11:38:08

Injuries in the UK are having a much greater impact on peoples' lives than previously estimated, a study has found.

2011-08-17 10:30:00

ANCHORAGE, Alaska, Aug. 17, 2011 /PRNewswire/ -- The first poll of commercial fisherman in Alaska's Bristol Bay region found that an overwhelming majority - 85 percent - oppose the controversial Pebble Mine proposal.

2011-08-16 16:36:00

SYRACUSE, N.Y., Aug. 16, 2011 /PRNewswire/ -- For race fan John Pielock of Chicopee, Massachusetts, it's the dream of a lifetime: a trip for two to this month's NASCAR races in Bristol, Tennessee, including opportunities to meet racing legend Rusty Wallace and David Reutimann, driver of the No.

2011-08-16 13:40:00

BRISTOL, Tenn., Aug. 16, 2011 /PRNewswire/ -- As Bristol prepares for the upcoming IRWIN Tools Night Race, select Walmart stores in the Bristol area will host exclusive NASCAR fan events through its new Race Time program starting Aug. 23.


Latest Bristol Reference Libraries

28_5f496c15049ba89cd8c43810810e311e
2005-05-26 11:32:33

Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. Chalcocite is sometimes found as a primary vein mineral in hydrothermal veins. However, most chalcocite occurs in the supergene enriched environment below the oxidation zone of copper deposits as a result of the leaching of copper from the oxidized minerals. It is...

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Word of the Day
marcescent
  • Withering but not falling off, as a blossom that persists on a twig after flowering.
The word 'marcescent' comes from a Latin word meaning 'to wither'.
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