This is an intra-bio-sparite. Bioclasts are dominated by bivalves. It is from the Purbeck Limestone but the location is unknown.
This collection of virtual thin sections is the result of a collaboration between earth scientists at Portsmouth University and The Open University. The collection consists of 26 slides from the Portsmouth teaching collection, including igneous, metamorphic and sedimentary rocks.
UNDER CONSTRUCTION! This Collection is currently under development, so you may notice reduced functionality as new samples are brought online.