Excavations were carried out tn the temple area which had been destroyed by subsidence in the Roman Period or later. A porphyry bowl from the 1st Dynasty was found on top of the Roman ruins.
Links
[1] https://egyptartefacts.griffith.ox.ac.uk/resources/egypt-exploration-fund-eef
[2] https://egyptartefacts.griffith.ox.ac.uk/people/w-m-flinders-petrie
[3] https://egyptartefacts.griffith.ox.ac.uk/people/charles-trick-currelly
[4] https://egyptartefacts.griffith.ox.ac.uk/node/1172