Baryte from selected localities.
USA | |
| Woolley (1987), Alkaline Rocks and Carbonatites of the World |
Carlson, M.P. & S.B. Treves, 2005, “The Elk Creek Carbonatite, Southeastern Nebraska – An Overview”, Natural Resources Research, vol. 14 No.1. ; Kettler, Richard M., Blessington, Michael Joseph, Verplanck, Philip L., And Farmer, G. Lang (2014) The Elk Creek Carbonatite Complex. Geological Society of America Abstracts with Programs. Vol. 46, No. 4, p.21; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467. Verplanck, P. L., Farmer, G. L., Kettler, R. M., Lowers, H. A., Johnson, C. A., Koenig, A. E., & Blessington, M. J. (2022). Petrogenesis and Rare Earth Element Mineralization of the Elk Creek Carbonatite, Nebraska, USA. Ore Geology Reviews, 104953. |
Elk Creek Carbonatite, Elk Creek, Johnson County, Nebraska, USA