Present in Michigan County: None; Geological Formation: ; Specific Mine Name: None; Commercial Mining History: None; Published Literature: ; Unpublished Literature: ; Comments: ; USGS Critical Mineral Reference: Jones, J.V., III, Piatak, N.M., and Bedinger, G.M.,2017, Zirconium and hafnium, chap. V�of�Schulz, K.J., DeYoung, J.H., Jr., Seal, R.R., II, and Bradley, D.C., eds., Critical mineral resources of the United States�Economic and environmental geology and prospects for future supply: U.S. Geological Survey Professional Paper 1802, p. V1�V26, https://doi.org/10.3133/pp1802V.
