4 Apr 2008

Look what I found!

The two quarry faces at Wrose Hill are a designated Regionally Important Geological Site (RIGS). "The upper quarry exposes mudstones and siltstones coarsening upward into the sandstone of the 48 Yard Rock. This sandstone may be interpreted as deposition in a mouth bar", according to wyorksgeologytrust.org.


The write-up continues: "A rock fall in 2004 has revealed many well preserved plant fossils together with the sand filled burrows referred to as Arenicolites carbonarius." The rock falls have continued, and here's a boulder with several fossil log impressions -


And here's a boulder showing the Arenicolites burrows, a wonderfully preserved section of beach from 315 million years ago -

And finally, here's a boulder with a superb beach ripple pattern -