This paper presents a collection of some of the available published information on geological and geotechnical characteristics of some Middle Eastern countries within the Arabian Peninsula. However, the evidence showing that IGC rocks were produced by a modified form of plate tectonics and collisional orogenesis does not preclude that plume-related rocks were also forming at the same time elsewhere on Earth (c.f., Van Kranendonk, 2010). (1974) report that surveys carried out over a shallow basin in Canada were very successful and the depth of basement estimated from aeromagnetic surveys was found to be accurate, the error being less than 10% of the depth obtained through drilling at 8 sites out of a total of 12 drill holes. 2, Saudi Arabia is divided into two basic geological zones: The Arabian Shield, a Precambrian basement complex which underlies about one-third of the Kingdom and extends from the western coast for about 500–600 km towards the east. A typical shallow profile containing expansive clay is shown in Fig. If subjected to high stresses and the cementation breaks down, these rocks may become very compressible and result in troublesome long-term settlements. Typical expansive soil profile in northern Oman (Al-Rawas and Qarnaruddin ). The modulus values for first loading of the plate were reasonably consistent with the PMT test data, but significantly higher values were found from reloading and cyclic loading tests on the plate. For piles penetrating about 30–45 m, very low average values of skin friction were experienced, ranging between about 12 and 20 kPa. These are the most abundant species, representing 18% and 75% by weight of pole-and-line landings. End bearing resistance versus SPT-N for driven piles in coralline deposits . increased the usefulness of and public access to geologic maps. (1966). Constant normal stiffness direct shear tests, to measure the pile-soil skin friction and the effects of cyclic loading. Fig. groundwater, stream sediments or plants and this pattern is called a secondary chemical halo. Modulus values from pressuremeter tests , Limit pressure values from pressure meter tests . Saleh et al. 18 . Similar arguments for protoarc or subduction-related process have been put forth for other Eoarchean terranes based on the chemical compositions of amphibolites and on lithologic associations. Fookes et al. He should be able to ride horses, in some areas, and walk slopes, the. It is necessary that there is a need, to collect very clear and accurate data. In: Proceedings of the 5th international conference on case histories in geotechnical engineering, New York, NY, Paper No. This paper presents a collection of some of the available published information on geological and geotechnical characteristics of some Middle Eastern countries within the Arabian Peninsula. They provide many information for economic. The geological formations are generally well exposed, due to a lack of vegetation, and can be traced along their outcrops for hundreds of kilometres. These include (1) constant barometric flight level, (2) small average ground clearance, (3) tight grid of profiles, (4) sensitivity of 0.01 or 0.02 gamma, ensuring a tenth of a gamma as an usable measurement, (5) digital recording at an interval of half a second, (6) accurate navigation, and (7) removal of diurnal variations.