Rock 366 : Day 140 : Jasperised Flint

Rock3660599

Day 140 : A flint from the Upper Chalk that has been jasperised by the overlying Antrim Basalts. From northwest of Lisburn, Northern Ireland. Keele collection.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>