Last week GeoSuffolk joined with the Suffolk & Essex National Landscape Work Party volunteers to refresh a Red Crag pit near Woodbridge. We cleared several faces and revealed this pebble bed full of phosphate nodules. 180 years ago a similar discovery at Felixstowe initiated the superphosphate fertiliser industry and helped to feed Britain. See GeoSuffok's Suffolk's Crag Coprolites leaflet for more.