The study of geology structures in Kaki area (Bushehr province, Central Zagros) using 1-D travel time inversion

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Kianimehr h.; YAMINIFARD F.; TATAR M.; KISSLING E.

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Journal Paper

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Journal: GEOSCIENCES Year:2019 | Volume:28 | Issue:112 Page(s): 281-288

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Information Journal Paper

Title

The study of geology structures in Kaki area (Bushehr province, Central Zagros) using 1-D travel time inversion

Author(s)

Kianimehr h. | YAMINIFARD F. | TATAR M. | KISSLING E. | Issue Writer Certificate

Keywords

Simply Folded BeltQ1

ZagrosQ2

KakiQ1

Hormuz seriesQ1

Velocity modelQ2

Abstract

The Zagros fold and thrust belt contains a near continuous sedimentary cover which overlies the late Precambrian-Cambrian Hormuz salt formation. The information about this structure is only limited to the study of salt domes. As the density variation of salt is not noticeable with depth, it is expected this structure has a significant role in the decrement of P-wave velocity relative to top layers. The 9 April, 2013 Kaki earthquake (Mw 6. 2) occurred in a part of the Simply Folded Belt of Zagros Mountains where there are two salt domes. So, in case of studying salt structures as low velocity zones at depth, the 1-D inversion was done using 10459 P-arrival times of 978 aftershocks. The results of this study indicates that the two top layers with overall 4 km thickness and average low velocities might be related to incompetent and upper-mobile groups. Sudden seismic velocity increment from 3. 9 km/s to 5. 45 km/s in depth of 4 km can be considered as an indicator for transformation from the upper-mobile to the competent group. Furthermore, an average low velocity zone from 8 km to 12 km is observed that confirms the Hormuz salt series at depth.

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APA: Copy

Kianimehr, h., YAMINIFARD, F., TATAR, M., & KISSLING, E.. (2019). The study of geology structures in Kaki area (Bushehr province, Central Zagros) using 1-D travel time inversion. GEOSCIENCES, 28(112 ), 281-288. SID. https://sid.ir/paper/32153/en

Vancouver: Copy

Kianimehr h., YAMINIFARD F., TATAR M., KISSLING E.. The study of geology structures in Kaki area (Bushehr province, Central Zagros) using 1-D travel time inversion. GEOSCIENCES[Internet]. 2019;28(112 ):281-288. Available from: https://sid.ir/paper/32153/en

IEEE: Copy

h. Kianimehr, F. YAMINIFARD, M. TATAR, and E. KISSLING, “The study of geology structures in Kaki area (Bushehr province, Central Zagros) using 1-D travel time inversion,” GEOSCIENCES, vol. 28, no. 112 , pp. 281–288, 2019, [Online]. Available: https://sid.ir/paper/32153/en

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