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‫ﺭ‬ ٩.-)S)٥٠٨٠٥.
٨

١8٥٠

١٥٥٠

1١٥

20‫ﺍ‬

١0٥٠ ‫ﺍ‬١‫ﺍ‬ LII١ ٧

‫ﻻ‬± ‫ﺕﺓ‬٥‫ﺝ‬, ‫ﺍ‬٤ ٤3‫ﺏ‬

٩٥٠

20

٥.

Fig. 4٠ Taverse OS. Length is 102 meters, Three paralle! lines are recorded with
measurenments for every second meter٠ Low conductivity around 30 meter corresponds to
crossing the canal system.

Conclusion

Conductivity soundings at Oal'at al-Bahrain in 1982 and 1983 yielded interesting
results suggesting the relevance of applying electromagnetic surveys in archaeolo­
gical research design. Although data and results are not conclusive, it is evident
that the work carried out so far strongly supports the value of continuing this
experiment, and applying the technique to other archaeological sites in the Middle
East. It must be emphasized, however, that more test excavations have to be
carired out in order to fully understand the interaction between man-made
structures and the variability in the ground's conductivity.

Other studies undertaken between 1981 and 1986 in Kuwait, Bahrain, Jordan,
and Egypt have yielded excellent results supporting the relevant application of the
EM31 in archaeological fieldwork (Frohlich and Ortner, 1982; Frohlich, 1983,
Frohlich and Lancaster 1986). It can be concluded that the criteria for a successful
application of electromagnetic prospecting depends on (1) a well-developed
co-operation between the prospector and the archaeologist, (2) an ability to
confirm the electromagnetic variation with test excavations, (3) the development of
an efifcient data recording and analysis system, both at the site and in the
laboratory, and ifnally.(4) the capability to use the results in future planning and
excavations. When these criteria are fulfilled, the application of electromagnetic
prospecting can be very successful. It will not only add signiifcant knowledge to the
ifeld of electromagnetic prospecting, but it will also supply relevant information
about the archaeological site, which can be used in a pertinent archaeological
research design by the archaeologist.

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