chert chert  /ˈtʃɜrt/


  • (n) variety of silica containing microcrystalline quartz


  1. The hummocks eventually became the Gunflint chert, which radioactive dating proves to be 2 billion years old.
  2. Besides 30 Folsom points of jasper, chert and chalcedony, there was a scattered armamentarium of scrapers, knives, drills, engraving implements, hammers.


  • Oil industry warns against looming biofuel "blend wall"

    The oil industry has said that the Environmental Protection Agency's delay of the Renewable Fuel Standard isn't enough to avo - More -  Mississippi Lime & Chert Drilling & Completions Congress 2013 Breaking down completions design and drilling optimization to reduce costs and drilling days . Bringing together E&P leaders to share case studies showing the most cost-effective completion designs ...
    on August 12, 2013     Source: American Petroleum Institute

Wiki Images for chert

definition of chert
meaning of chert
Word of the Day
cynic cynic
/ˈsɪ nɪk /