EVOLUTION OF COASTAL MAKRAN ZONE DURING LATE QUATERNARY

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MOTAMED A.; GHARIB REZA M.R.

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Journal: GEOGRAPHICAL RESEARCH QUARTERLY Year:2008 | Volume:40 | Issue:64 Page(s): 77-87

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Information Journal Paper

Title

EVOLUTION OF COASTAL MAKRAN ZONE DURING LATE QUATERNARY

Author(s)

MOTAMED A. | GHARIB REZA M.R. | Issue Writer Certificate

Keywords

MAKRAN COASTAL PLAINQ3

SHORELINE CHANGESQ3

QUATERNARYQ2

COASTAL GEOMORPHOLOGYQ3

C14 DATINGQ3

Abstract

Paleo-Geography investigation of coastal area is one of main topic of coastal researches. Recognition of coastal zone Paleo-geography will indicate coastal evolution and geology and hydrodynamic processes which dominate in that area. Coastal Makran zone which is known as active coastal area is located between 250, 15´ to 250, 30´N and 590, 15´to 610, 21’ E in south- east of Iran. This area is composed of Omega shaped bays, sandy beaches, estuaries and marine terraces. The main goal of this research is recognition and planning of late QUATERNARY Paleo-geography of Coastal Makran zone. Research methods are based on GIS and 14C dating and filed observations. The main achievement of research is planning and identification of late QUATERNARY Paleo-geography indicators such as Paleoshorelines and sea stocks in Guader, Chabahar, Pozm and Gurdim bays and Tang, Drango, Karti and Galak estuaries. The age of Paleo-geography indicators (Paleoshorelines) was obtained by 14C dating of some fossil samples. The oldest Paleoshorelines is 17600 years old that locates at north of Chabahar bay caused by Flandrain sea transgression after last maximum glaciations at 18000 yr BP. Also, 22 Paleoshorelines developed at north of Chabahar bay are constituents of regression coasts created during sea level falling or uplifting of coasts at late QUATERNARY. Results showed that the construction duration of each paleoshorelines at Guader, Chabahar and Drango bays lasted 113, 223 and 130 years respectively. Due to neo-tectonic events, uplifting rates have increased as much as four times since 5000 yr BP. On the other hand, Mio-Pliocene rock units as islands and detached breakwaters cause sedimentation behind them and creation of Tombolos and then Omega shaped bays.

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APA: Copy

MOTAMED, A., & GHARIB REZA, M.R.. (2008). EVOLUTION OF COASTAL MAKRAN ZONE DURING LATE QUATERNARY. GEOGRAPHICAL RESEARCH QUARTERLY, 40(64), 77-87. SID. https://sid.ir/paper/5431/en

Vancouver: Copy

MOTAMED A., GHARIB REZA M.R.. EVOLUTION OF COASTAL MAKRAN ZONE DURING LATE QUATERNARY. GEOGRAPHICAL RESEARCH QUARTERLY[Internet]. 2008;40(64):77-87. Available from: https://sid.ir/paper/5431/en

IEEE: Copy

A. MOTAMED, and M.R. GHARIB REZA, “EVOLUTION OF COASTAL MAKRAN ZONE DURING LATE QUATERNARY,” GEOGRAPHICAL RESEARCH QUARTERLY, vol. 40, no. 64, pp. 77–87, 2008, [Online]. Available: https://sid.ir/paper/5431/en

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