Best way to learn more is by using search-term “Ashkelon Excavations” because it will bring information about economics, archaeology and more. Look for a photomosaic, thanks to Hanumant Singh, of one of the two shipwreck sites. Sarah Webster gave me the sediment sample.
I did not know Sarah, then a WHOI engineer, until she called me one day saying she had this mud, was leaving town and did I want it? Since I did, she left it at my door and it was several years later when we met for the first time. This email exchange came first: