| Lat / long: | 41.59168, -109.75488 |
| Primary: | Sodium |
| Tertiary: | Halite, Oil Shale |
| Ore: | Trona |
| Gangue: | Shortite, Calcite, Dolomite, Gaylussite, Nahcolite |
| Orebody form: | TABULAR: BLANKET |
| Other material: | Halite, Oil Shale |
| Discovery year: | 1938 |
| Operation type: | Underground |
| Deposit type: | Evaporite |
| Production size: | Large |
| Development status: | Producer |
| Production years: | current as of 2009 |
| Host rock: | Green River, Wilkins Peak Member: Trona And Evaporite Bearing Strata |
| Host type: | Evaporite |
| Structure: | Basin And Range Province; Green River Basin; East Of Overthrust Belt, South Of Wind River Mts., Rock Springs Uplift, East Of Trona Area, Stratigraphic High During Much Of Green River Fm. Depositional Period. It Created A Barrier Restricting Water Circulation And Aiding Evaporite Precipitation. |
| Alteration processes: | Trona May Be In Part A Diagenetic Product Of Reaction Between Evaporite Minerals And Na-Rich Water From The Weathering Of Andesitic Tuffs Of Green River Formation. Geochemical Studies (Parker, Et Al, 1971) Have Shown That The Green River Was Probably A Source Of Na-Rich Water. Solution Activity And Reorganization Of Material Is Evident Including Enlarged Grainsize And Secondary Redeposition Of Trona (Parker, Et Al, 1971). |
| MRDS | W031828 |
| DEP | 10080548 |
| Reference | {Deposit:: USBM MINERALS YEARBOOK 1978-1979.}{Deposit:: PARKER, R.B., 1971, ed., CONTRIBUTIONS TO GEOLOGY, TRONA ISSUE, UNIV. OF WYOMING, V. 10, N. 1.}{Deposit:: MINING MAGAZINE, JANUARY 1989, P. 45.}{Deposit:: http://www.genchem.com/the-green-river-facility.asp [last accessed 09-NOV-2009]}{Deposit:: Dyni, J.R., and Jones, R.W., eds., 1998, Proceedings of the First International Soda Ash Converence, vol. II: Wyoming State Geological Survey Public Information Circular 40, 215 p.} |
| Reporter | Intermountain Field Operations Center (IFOC), Beougher, Delilah J. (Spanski, Gregory T.), South Dakota School of Mines, Wilson, Anna B., Sutphin, David M. |