Abstract of Swirydczuk, K., B.G. Wilkinson, and G.R. Smith. 1982. Synsedimentary lacustrine phosphorites from the Pliocene Glenns Ferry Formation of southwestern Idaho. J. Sed. Petrol. 51(4):1205-1214.

Extensive phosphate cements were deposited on transgressive hiatal surfaces of the Glenns Ferry Oolite of Pliocene Lake Idaho.