Photos: cropmarks reveal traces of lost civilizations in England
The rectangle cropmarks found near Clifton Reynes, Milton Keynes reveal two Neolithic cursus monuments that likely date to between 3600 and 3000 B.C. Though the monument to the left was recently found as part of another project, the one on the right was hidden under a headland that is now being ploughed. Archeologists aren't sure how ancient people used cursus monuments but guess that they may have been enclosed paths, processional ways or even boundaries between different landscapes.
Iron Age Round
This circular cropmark found in St. Ive, Cornwall probably comes from a roundhouse that dates back to England's Iron Age, between 800 B.C. and A.D. 43. These types of settlements, with a circular bank and outer ditch that contains one entrance and a round house close to the edge of the ditch, was common in Cornwall at that time.
These cropmarks reveal a prehistoric settlement in Cornwall. This unusual layout consists of two concentric ditches with an entrance connected by two parallel ditches. The inner ditch could have enclosed a Bronze or Iron age settlement, whereas the outer ditch could have been used as a means to manage livestock later in history.
In Yorkshire, the archaeologists found four cropmark squares that likely reveal ditches enclosing a burial mound. These Iron Age square barrows are common in this area.
These circular cropmarks found in Scropton, Derbyshire likely depict a complicated structure from a Bronze age burial mound or a barrow.
These cropmarks found in Clare, Suffolk belong either to a prehistoric settlement or a cemetery. There is an entrance at the top left and two circles inside that could be ditches surrounding Iron Age round houses or Bronze Age burial mounds.
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