Keywords: Beacon-crossbedding.jpg Cross-bedding in the w Beacon sandstone From cite journal Hamilton W Hayes PT Type section of the Beacon Sandstone of Antarctica http //pubs er usgs gov/usgspubs/pp/pp456A 1963 US Geol Survey Prof paper 456-A 1-18 a work of the USGS PD-USgov-USGS PD-USGov Cross-bedding Sandstone Geology of Antarctica |