Micritic limestone beds lapping onto algal mound facies in Worland Limestone

A heavy dashed line marks the top of the algal mound on the south side
of the I-70 overpass. The algal limestone has a distinctive bluish gray
hue. Light dashed lines trace bedding in surrounding limestone, showing
that beds thin and pinch out against the flanks and over the top of the
mound.

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