Browsing All posts tagged under »Ellsworth shale«

Ice out on the Bay-sand and shale in

March 17, 2010


The lake has been doing a little redecorating, shifting the sand around, uncovering lost worlds. I thought this looked exactly like the remains of a Roman road. Or perhaps Erickson Road, which was not built so well as a Roman road. It’s really bluegreen Ellsworth shale, layered, splitting, extending deep beneath the beach and far […]

That looks like a mimetolith!

April 7, 2009


This all began when I took a picture on the beach of a piece of bluegreen Ellsworth shale that had split into layers, “delaminated” as it were.  There’s more shale than sand on the beach these days, and the stuff fascinates me.   The beach is heaped with it.  It splits, it shatters, it makes a […]