|Figure A-3. Lacustrine tufa from Mono Lake, California, U.S.A. Mono Lake is a saline alkaline lake in which the water level has dropped to expose towers of tufa. This sample has a zoned microcrystalline fabric locally reminiscent of
microcrystalline fabrics in some stalactites.
Photomicrograph was taken in plane-polarized light; field of view is 2.4 mm wide. Mono Lake, California, U.S.A.; Sample CI 16; thin section CI 16. Sample collected by L. Bruce Railsback.
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