The quartz crystal deposits of western Arkansas

  title={The quartz crystal deposits of western Arkansas},
  author={A. Engel},
  journal={Economic Geology},
  • A. Engel
  • Published 1946
  • Geology
  • Economic Geology
Extensive geological investigations of domestic deposits of quartz crystals were undertaken by the Geological Survey of the United States Department of the Interior in the fall of 1942 in response to the urgent demand for crystals for war purposes. The work was continued throughout 1943 and took survey geologists into some 20 states in which over 1,400 deposits or reports of deposits were examined. Of the numerous highly varied occurrences of quartz examined, only the deposits in western… Expand
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