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3 October 2011

Lichens on Morrison sandstone

Picking up from Saturday’s post about ripple marks and cross-bedding in Morrison sandstone from north of Shell, Wyoming, let’s scoot away from the purely geological content for a moment, so that we can appreciate some beautiful orange/yellow radial lichens growing on one rippled sandstone slab: You can make that one bigger by clicking on it, or you can look at these close-up lichen portraits below: I love the delicate fading …


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