nThinolite(Min) A calcareous tufa, in part crystalline, occurring on a large scale as a shore deposit about the Quaternary lake basins of Nevada.
Century Dictionary and Cyclopedia
nthinoliteA pseudomorphous tufa-like deposit of calcium carbonate, crystalline in form. It is found in great quantities on the shores of Pyramid Lake, Nevada, and at other points within the area of the great Quaternary lake called Lake Lahontan. Its original character is as yet uncertain.