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Results 31 - 40 of 79 for Quarrying
  • Outcrop - Mining Fundamentals
    Article - 24 May 2014
    Outcrop is a bedrock that is exposed or old superficial deposits on the Earth’s surface. In most places, outcrops are covered by a mantle of soil and vegetation. However, the rock may crop out or...
  • Arseniosiderite – Occurrence, Properties, and Distribution
    Article - 20 May 2014
    Arseniosiderite was named by Pierre Armand Petit Dufrenoy in 1842 after the mineral's key elements arsenic and iron ("sideros" in Greek). It belongs to the mitridatite group.
  • Bustamite - Occurrence, Properties, and Distribution
    Article - 20 May 2014
    Bustamite was named after General Anastasio Bustamente (1780-1853), of Mexico.
  • Diaboleite - Occurrence, Properties, and Distribution
    Article - 13 May 2014
    Diaboleite is a blue-colored mineral first discovered in 1923 from the Higher Pitts, Mendip Hills, Somersetshire, England. It was named after the Greek word dia which means difference, and the mineral...
  • Brucite - Occurrence, Properties, and Distribution
    Article - 12 May 2014
    Brucite is the mineral form of magnesium hydroxide first discovered in 1824 from the New Jersey, USA serpentine. The mineral was named after the American mineralogist, A. Bruce.
  • Celestine - Occurrence, Properties, and Distribution
    Article - 12 May 2014
    Celestine is a strontium sulfate mineral first discovered in 1791 from Kelley Island, Lake Erie. It belongs to the barite group of minerals. It was named after the Latin word for celestial in allusion...
  • Open-Pit Mining - Mining Fundamentals
    Article - 23 Apr 2014
    Open-pit mining is a surface-mining operation in which rocks or minerals are extracted from the Earth by creating an open hole or pit in the Earth’s surface.
  • Ettringite - Occurrence, Properties, and Distribution
    Article - 21 Oct 2013
    Ettringite is a hydrous calcium aluminum sulfate mineral first described in 1874 from Ettringer Bellerberg, Ettringen, Mayen, Eifel, Rheinland-Pfalz, Germany. The mineral was named for its place of...
  • Calcioancylite-(Nd) - Occurrence, Properties, and Distribution
    Article - 11 Oct 2013
    Calcioancylite-(Nd) is a member of the ancylite group of minerals. The mineral was first discovered in 1991 from the Baveno, Piedmont, Italy. It was named for the Greek word of “curved” and the...
  • Eggletonite - Occurrence, Properties, and Distribution
    Article - 26 Sep 2013
    Eggletonite was named after Dr. Richard A. Eggleton (associated with the Australian National University, Canberra), and was discovered in 1984. It belongs to the ganophyllite group.

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