A former quarry supplying chalk to mills and kilns to the north-west and ultimately to the former Aspdins Portland Cement Works, immediately to the north. Aspdins Portland Cement Works were established at Northfleet in 1846. During the 1850 the works had nine operational bottle kilns and produced a product named nine-kiln cement. Quarrying had ceased by the late 19th century, with cement works expanding further south into the quarry. The works continued until the earlier 20th century, being incorporated into the larger cement works (now Blue Circle) to the east. By the 1930s the works within the quarry had been demolished and the former works to the north reduced significantly. Location accurate to 2m based on available information.