https://www.usgs.gov/publications/buddingtonite-ammonium-feldspar-phosphoria-formation-southeastern-idaho
Buddingtonite, ammonium feldspar, in the Phosphoria Formation, southeastern Idaho | U.S. Geological...
Buddingtonite is distributed widely in the rocks of the Meade Peak Member of the Phosphoria Formation in southeastern Idaho and occurs in amounts up to about...
in the