Recent Submissions

  • Pikes Peak minerals : beyond amazonite and smoky quartz ; Part 1 : pegmatites 

    Contributor:Raines, Ed; Colorado School of Mines. Geology Museum
    Ed Raines, a geologist, mineralogist, and mining historian, discusses the Pikes Peak batholith, explaining crystal growth and geologic processes responsible for the formation of pegmatites and other minerals in the Pikes ...