U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: Alkalic rocks and carbonatites of the Arkansas River Canyon, Fremont County, Colorado; 3, The amethyst carbonatites
  • Author(s): Heinrich, E.W., and Shappirio, J.R.
  • Publishing Organization: Mineralogical Society of America
  • Series and Number: American Mineralogist v. 51, no. 7 [p. 1088-1106]
  • Publication Date: 1966
  • Map Scale: 1:555,789
  • Cross Section: None
  • Find more maps in this area with mapView
  • Corrections to this entry?
* See base map disclaimer below

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.