After a time, they look something like this. With the right water chemistry, high in dissolved calcium ions, the grains of sand become coated with layer upon layer of calcium carbonate. They are a shoreline artifact, usually when shorelines are expanding, where the oolites are tossed up on the lake’s beach, and then washed back in to the water. One of the worlds largest freshwater lakebed oolites is the Shoofly Oolite, a section of the Glenns Ferry Formation on southwestern Idahos Snake River Plain. But oolites are geology, grains of sand encased in multiple layers of calcium carbonate. The name “Shoofly” - a creek, road and rock formation - seems unknown. It is a 1.6 mile lightly trafficked loop trail located near Grand View, Idaho. Over that kind of interval, the lake repeatedly deepened and then became shallow absorbed massive amounts of airborne and waterborne volcanic ash, and went through multiple changes in its water chemistry.Īll those variations created a complex geologic history, and one place a part of that complexity is the Shoofly Oolite. Before arriving at the official Glenns Ferry Formation of the Shoofly Oolite Egg stone trail head near Grand View, Idaho, find sweeping landscape views of. Photo about rock, route, hills, dusty, environment, ferry, historic, desert, plants, biodiversity - 224932564. ![]() Lake Idaho was an extremely long-lasting freshwater lake, possibly as long as 10 million years. Owyhee Canyonlands Wilderness Grand View, Idaho, desert text area horizontal. ![]() WC has written earlier about the massive Lake Idaho that filled much of the western Snake River Plain, in southwestern Idaho. WC knows geology isn’t the most popular topic around Wickersham’s Conscience, but today, at least, it can take your mind off of taxes.
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