Study of Lower Eocene sedimentary rocks from Birjand (Kaboudeh section) and Khousf (North Ark section) areas, Implication on facies analysis and sedimentary environment

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BABAZADEH S.A.; ALAVI M.

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Journal: Researches in Earth Sciences Year:2016 | Volume:6 | Issue:24 Page(s): 16-37

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Title

Study of Lower Eocene sedimentary rocks from Birjand (Kaboudeh section) and Khousf (North Ark section) areas, Implication on facies analysis and sedimentary environment

Author(s)

BABAZADEH S.A. | ALAVI M. | Issue Writer Certificate

Keywords

MicrofaciesQ2

ForaminiferaQ2

Sedimentary environmentQ2

Early EoceneQ2

LutQ2

BirjandQ2

KhousfQ2

Abstract

The studied area is located in southern Khorassan province at margin of Lut platform. Kaboudeh and North Ark stratigraphic sections were measured and sampled in order to describe sedimentary facies and determine the depositional environments. Carbonate facies, terrigenous facies and mixed terrigenous-carbonate facies were recognized as three main sedimentary facies sets in both sections. Seven facies types were distinguished for Kabudeh section which are occurred in beach sand bar, lagoon, coral-coralin algal-nummulitic patch reefs and proximal foreslope sub-environments and six facies types were recognized for North Arc section in beach sand bar, lagoon, reworking sand bar, nunmulitic patch reefs and proximal foreslope sub-environmets; ranging from beach to proximal part of outer ramp settings. On the basis of the index species of larger benthic Foraminifera such as: Nummulitesatacicus, Assilinaleymereie and Foraminiferal assemblages: Alveolinadesipiens, Alveolinacf. ellipsoidalis, Opertorbitolitesdouvillie, Orbitolitesminimous, Nummulitesglobulus, Luckartiahaimei, Early Eocene (Yprisian) is suggested for the studied deposits. Absence of real coral reefs and replacement larger benthic Foraminifera are considered as the effects of Paleocene-Eocene boundary global changes in the studied area.

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APA: Copy

BABAZADEH, S.A., & ALAVI, M.. (2016). Study of Lower Eocene sedimentary rocks from Birjand (Kaboudeh section) and Khousf (North Ark section) areas, Implication on facies analysis and sedimentary environment. RESEARCHES IN EARTH SCIENCES, 6(24 ), 16-37. SID. https://sid.ir/paper/207357/en

Vancouver: Copy

BABAZADEH S.A., ALAVI M.. Study of Lower Eocene sedimentary rocks from Birjand (Kaboudeh section) and Khousf (North Ark section) areas, Implication on facies analysis and sedimentary environment. RESEARCHES IN EARTH SCIENCES[Internet]. 2016;6(24 ):16-37. Available from: https://sid.ir/paper/207357/en

IEEE: Copy

S.A. BABAZADEH, and M. ALAVI, “Study of Lower Eocene sedimentary rocks from Birjand (Kaboudeh section) and Khousf (North Ark section) areas, Implication on facies analysis and sedimentary environment,” RESEARCHES IN EARTH SCIENCES, vol. 6, no. 24 , pp. 16–37, 2016, [Online]. Available: https://sid.ir/paper/207357/en

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