Halite and the sodium bicarbonate mineral nahcolite were deposited in Eocene-age saline Lake Uinta in the Piceance Basin, northwestern Colorado. Variations in the areal extent of saline mineral deposition through time were studied using descriptions of
Johnson, Ronald C. rcjohnson@usgs.gov,Brownfield, Michael E. mbrownfield@usgs.gov. Development, evolution, and destruction of the saline mineral area of Eocene Lake Uinta, Piceance Basin, western Colorado. 2015-01-01.