A BRIEF GEOLOGIC-GEOPHYSICAL CHARACTERISTICS OF EARTH’S CRUST CROSS SECTION OF TALYSH-VANDAM GRAVITY MAXIMUM

Abstract


On the basis of the study of crystalline basement in axis zone of the Talysh-Vandam gravity maximum in the central part of the Kurinskaya depression the Saatlin uplift of the brachiform profile in the area of the junction of the Kura and Arax rivers was identified. The results of analysis of the data obtained by deep seismic sounding, refraction correlation method, gravimetry showed that a crustal architecture of that area may be represented as a lifted basement block with bedding of crystalline rock surface at the depth of 7-8 km and boundary velocity ranging from 6.0 to 7.3 km/s. A thickness of the sedimentation mass was found to be decreased. Physical properties of porphyrites, andesites, diabases and other rocks from different stratigraphic units and in different conditions were studied. The experiments showed that in the area of the Talysh-Vandam gravitation maximum the lifted crustal block in terms of material constitution at the depth of 8-10 km may be characterized by andesite porphyrites without any transformation undergone. The Talysh-Vandam gravitation maximum has been mainly examined using the data taken from the Saatlin super-deep well on the basis of complex investigations of the core material retained during the drilling process down to 8,267 m. The study has confirmed that andesite porphyrites of the crystalline basement at the Talysh-Vandam gravitation maximum at the 8-10 km are metamorphic.


About the authors

V. Sh Gurbanov

Azerbaijan State Oil Academy

Author for correspondence.
Email: vagifqurbanov@mail.ru

L. A Sultanov

Azerbaijan State Oil Academy

Email: latif.sultan@mail.ru

References

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Copyright (c) 2014 Gurbanov V.S., Sultanov L.A.

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