Critical Minerals Factbook
Deposit

Unnamed (Little Grizzly Basin)

Unnamed (Little Grizzly Basin) is a rare earth occurrence in Wyoming, recorded in the USGS USMIN rare earth element occurrence database (ver. 4.0, June 2019).

Facts on this page last re-verified Aug 12, 2026 — the oldest verification date among its current claims. How we verify.

Location: Wyoming, United States (43.404, -110.255 approx.)

Commodities: phosphate; rare earth elements

Deposit model: unclassified · upwelling type phosphate deposits

Geology

This sample of phosphate-rich rock contained 700 ppm La, 700 ppm Y, 3 percent P, 1,000 ppm Cr, and 300 ppm V. (Sutherland and Cola (2016))

Record imported from USGS USMIN ver. 4.0 (June 2019). Developments after that date appear on facility records, not here; see the methodology.

Sources