The geology of the Persian gulf and the adjoining portions of Persia and Arabia

Pilgrim, Guy Ellcock

Bibliographische Daten

Monographie

Strukturtyp:: Monographie

Werks-URN (URL):: https://nbn-resolving.org/urn:nbn:de:kobv:11-710305

URN:: urn:nbn:de:kobv:11-710305

Persistenter Identifier:: BV042953232

Titel:: The geology of the Persian gulf and the adjoining portions of Persia and Arabia

Autor:: Pilgrim, Guy Ellcock

Erscheinungsort:: Calcutta

Verlag:: Office the Geological Survey [u.a.]

Erscheinungsjahr:: 1908

Umfang:: 177 S., 17 Bl. : Ill., graph. Darst., Kt.

Beschreibung:: Geologie und Geographie

Signatur:: Nat. 2000:34:F4

Sammlung:: Allgemeiner Bestand

Wissensgebiet:: Geologie und Geographie

Kapitel

Strukturtyp:: Kapitel

Titel:: Part III. - Economic geology of the Persian Gulf region

Sammlung:: Allgemeiner Bestand

,1,48 PILGRIM : GpOLOGY :OF ?THE:PERSIAN GULF. ,as, I .have already said, I cannot consider the Eocene rocks as a 'suffi- ciently favourable-reservoir. " • That the supplies of Shushtar though small are, unexhausted is proved by the constant annual yield of petroleum, bijt I wish to enforce the point that that supply would not be increased by deeper borings, because one would then be below the petroliferous rqcks. : ' I am unaware what rocks were penetrated by the boring at Daliki, but as the gypsum beds are exposed at the surface it is quite likely that they reached the Eocene rocks. In any case the boring was unsuccessful. That the petroleum is spread throughout this set of beds is shown by its presence at Om Gheir near Basra, Benaidal Qar near Koweit, Hit on the lower Euphrates, Kerkuk on the Hamrine, and Hamam AH on the Tigris near Nimrud. The covering of all these Miocene deposits by the Mesopotamian alluvium will render it quite impossible to predict the chances of success of any boring, The attempt by the, D'Arcy Company was unsuccessful. I do not know what geological conditions they found there, so that I cannot say how far they support my views on the accumulations of petroleum in the area. In all other places, where I have seen the lower beds of the Pars series, they have been so folded, contorted, and denuded, as, to entirely preclude any possibility of finding any petroleum supplies left in them. The " shows" of oil at Ahmedi and Rudun north of Bandar Abbds probably arise in the Fars series, but I have no certain information with regard to them. To consider.now the other period of petroleum formation, namely, that of the Hormuz series. The rocks in this formation have been: invariably so much folded and denuded, previous to the deposition of the tertiary beds, that it seems hopeless to attempt operations here.; The naphtha springs at Salafe in the island of Qishm arise from this, formation, which forms a small inlier amongst the later Fars (Miocene); rocks. The sulphur springs at Khamir, which, however, seem desti- tute of bitumen, also occur in an inlier of the Hormuz s.eries, in this; instance bounded by sandstones and limestones of Eocene age. a t

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Monographie

Kapitel

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