Some time ago the Denman Glacier ice tongue broke off but remained embedded in the Shackleton ice shelf. That tongue fragment has recently calved a large part.
The 1st image below, from NSIDC
shows the shelf ice as it was in February 2003.
The 2nd image, from the current Antarctic mosaic shows some interesting cracks and calvings. The image was enhanced by reducing brightness and increasing contrast.
Please discuss, add info, etc.