Adabi, M. H., Zohdi, A., Ghobishavi, A., and Amiri-Bakhtiyar, H (2008) Applications of Nummulitids and other larger benthic forami-nifera in depositional environment and sequence stratigraphy; an example from the Eocene deposits in Zagros Basin, SW Iran. Facies, 54 (4): 499–512. http://dx.doi.org/10.1007/s10347-008-0151-7.

Adabi, M. H., Khatibi Mehr, M., Moallemi, A., Sadeghi, A., and Salehi, M. A (2009) Diagenesis and geochemistry of the Ziarat Formation in the Type Section, Tochal, Alborz. Geosciences, 19: 153- 164.

Aghanbati, A (2004) Geology of Iran. Geological Survey of Iran, 606 p. (in Persian)

Agnini, C., Fornaciari, E., Raffi, I., Catanzariti, R., Pälike, H., Backman, and J., Rio, D (2014) Biozonation and biochronology of Paleogene calcareous nannofossils from low and middle latitudes. Newsletters on Stratigraphy, 47 (2): 131–181.

Agnini, C., Monechi, S., and Raffi, I (2017) Calcareous nannofossil biostratigraphy: historical background and application in Cenozoic chronostratigraphy. Lethaia, 50: 447–463. https://doi.org/10.1111/let.12218.

Alavi, M (1991) Sedimentary and structural characteristics of the Paleoc-Tethys remnants in northeastern Iran. Geological society of America Bulletin, 103: 983-992.

Alavi, M (1996) Tectonostratigraphic synthesis and structural style of the Alborz montains in northern Iran. Journal of Geodynamics, 21 (1): 1-33. http://dx.doi.org/10.1016/0264-3707(95)00009-7.

Albasrawi, W. A (2016) Early Miocene Quantitative Calcareous Nannofossil Biostratigraphy from the Tropical Atlantic. Dissertations and Theses in Earth and Atmospheric Sciences, University of Nebraska, 1- 7://digitalcommons.unl.edu/geoscidiss/89.

Alimi, N., Sajjadi, F., and Partoazer, H (2010) Biostratigraphy, biofacies and sedimentary environment of the lower Eocene strata in the northwest of Shahroud. Iranian Journal of Geology, 21-3.

Arney, J. E., and Wise, S. W (2003) Paleocene-Eocene nannofossil biostratigraphy of ODP Leg 183, Kerguelen Plateau. In: Proceeding of ODP, Science Results, 183 (Fery FA, Coffin MF, Wallace PJ, Quilty PG eds.), College station, TX.

Bartol, M (2009) Middle Miocene calcareous nannofossils of NE Slovenia (Western Central Paratethys). Zalozba ZRC/ZRC publishing, 284 p.

Bown, P. R., and Young, J. R (1998) Techniques, In: Bown, P. R. (Eds.), Calcareous Nannofossil Biostratigraphy. Chapman and Hall, London, 16- 28. https:// 10.1007/978-94-011-4902-02.

Bralower, T. J (2002) Evidence of surface water oligotrophy during the Paleocene-Eocene Thermal maximum: nannofossil assemblage data from ocean drilling program site 690, Maud Rise, Weddell Sea. paleoceanography, 17 (2): 1- 13. https://doi.org/10.1029/2001PA000662.

Bramlette, M. N., and Sulivan, F. R (1961) Coccolithophorids and related nannoplankton of the early Teriary in Califirnia. Micropaleontology, 7: 129-174.

Bronnimann, P., and Stradner, H (1960) Die foraminiferen –und discoasteridenzonen von kuba und ihreinterkontinentale correlation. Erdoel-Z, 76: 364-369Bukty, D (1973) Low latithude coccolith biostratigraphic zonation. Initial Report, Deep Sea DrillingProject, 15: 685-703.

Bukty, D., and Bramlette, M. N (1970) Coccolith age determination, leg 3, Initial Report, Deep Sea DrillingProject, 3: 589-611.

Bukry, D (1973) Coccolith stratigraphy Eastern Equatorial Pacific, Leg 16 DSDP. Initial Report DSDP, 16: 611-653.

Burnett, J. A (1998) Upper Cretaceous. In Bown P. R (Ed.), Calcareous nannofossil biostratigraphy (132–99). London: Chapman and Hall.

Dellenbach, J (1964) Contributions a’ L’etude geologique de la region situee a’ L’ est de Tehran (Iran). Ph.D. Diss., Faculty of Sciences, university of Strasbourg (France), 117.

Gravand, R., Hamdi, B., and Roozbahani, P (2013) Benthonic foraminiferal assemblages, microfacies analysis and sedimentary model of Ziyarat Formation, Someah –E- Pain Area (Central Iran Province, NW Iran). International research journal of applied and basic sciences, 4 (10): 3158-3165.

Hadi, M., Mosaddegh, H., and Abbassi, N (2015) Biostratigraphic interpretation and systematics of Some Alveolina species assemblages in the Ziarat Formation from Soltanieh Mountains (Western Alborz). Geosciences, 24: 39-44. 10.22071/GSJ.2015.42254.

Hadi, M., Salehi, A., Nasiri, Y., and Mosaddegh, H (2019) Sokolowia horizon of the Ziarat Formation (Eastern Alborz, Iran): biostratigraphic and paleogeographic implications. Acta Paleontologica Romaniae, 15: 15-27. 10.35463/j.apr.2019.02.02.

Hadi, M., Sarkar, S., Vahidinia, M., and Bayet-Goll, A (2021) Microfacies analysis of Eocene Ziarat Formation (eastern Alborz zone, NE Iran) and paleoenvironmental implications. All Earth, 33: 66-87.

Hay, W. W (1964) The use of the electron microscope in the study of fossils. Annu Rep Smithsonian Inst, 1963: 409-415. https://www.researchgate.net/publication/291316787.

Hay, W. W., Mohler, H. P., Roth, P. H., Schmidt, R. R., and Boudreaux, J. E (1967) Calcareous nannoplankton zonation of the Cenozoic of the Gulf Coast and Caribbean- Antillean area, and transoceanic correlation. Trans, Golf Coast Association Geology Society, 17: 428-480.

Holcova, K (2005) Quantitative calcareous nannoplankton biostratigraphy of the Oligocene/Miocene boundary interval in the northern part of the Buda Basin (Central Paratethys). Geological Quarterly, 49 (3): 263-274.

Kallanxhi, M. E., and Coric, S (2017) Calcareous nannofossils from Oligocene-middle Miocene sediments from the Albanian- Thessalian basin (Albania): biostratigraphy and paleoecological implications. 16 th International Nannoplankton Association Meeting. Athens, Greece, 91p. https://www.researchgate.net/publication/320069101.

Kasem, A. M., Sherwood, W., Faris, M., Farouk, Sh., Zahran, E (2020) Upper Paleocene-lower Eocene calcareous nannofossil stratigraphy at the Misheiti section, Central Sinai, Egypt. Turkish Journal of Earth Sciences, 29: 242–256. doi:10.3906/yer-1812-13.

Khatibi Mehr, M., Adabi, M. H., Lotfpour, M., and Moalemi, A (2008) Reconstruction of paleoenvironments of Ziyarat Formation, based on large benthic foraminifera (Upper Palaeocene- Middle Eocene). Iranian Journal of Geology, 2 (7): 25-38 (in Persian).

Khatibi Mehr, M., and Adabi, M. H (2013) Microfacies and geochemical evidence for original aragonite mineralogy of a foraminifera-dominated carbonate ramp system in the late Paleocene to Middle Eocene, Alborz basin, Iran. Carbonates and Evaporites, 29: 155–175. doi:10.1007/s13146-013-0163-4.

Khatibimehr, M., and Moalemi, A (2008) Comparison of sedimentation history of Jahrom (Zagores) and Ziyarat (Alborz) formations based on benthic foraminifera. Iranian Geology Quarterly, 9 (3): 102-87 (in Persian).

Kholousi, M. R (1996) Microbiostratigraphy and sedimentary environment of Ziyarat formation in Type section, southeast of Tehran and Gowij (east of Tehran, southeast of Tehran and southwest of Firouzkuh), Tarbiat Moallem University, 114 p. (in persian).

Mahari, R (2014) Facies and sedimentary environments of Ziarat Formation in the southeast of Azarbaijan, Iran. Indian Journal of Fundamental and Applied Life Sciences, 4: 140- 145.

Maleki, M (2010) Microbiostratigraphy of Ziyarat formation in Kamard region. Tarbiat Moalem University, 88 p. (in persian).

Martini, E (1970) Standard Palaeogene calcareous nannoplankton zonation. Nature, 226: 560-561. https://doi.org/10.1038/226560a0.

Martini, E (1971) Standard Tertiary and Quaternary Calcareous Nannoplankton Zonation. In: Farniacci, A. (Ed.), Proceedings, 2th International Conference on Planktonic Microfossils. Rome, Italy. Edizioni Tecnoscienza, 2: 739-785.

Nazari, H., Ritz, J. F., and Oghbeei, Sh (2006) New insight to paleogeography and structural evolution of the Alborz in Tethysid. Geosciences, 16 (64): 38-53. https://doi.org/10.22071/gsj.2008.58213 (in Persian).

Nogole Sadat, M. A. A (1978) Les zone de decrochement et les virgations structurales en Iran. Concequences des resultants de 1analyse structurale de la region de Qom. These university, scientifique et medicate de Grenoble, 201 p.

Notghi Moghaddam, M., Hadavi, F., Bodaghi, F., and Oftadeh, S (2014) Calcareous nannofossils of Ziyarat Formation in Mojen section (Northwest of Shahroud). The 9th conference of the Iranian Paleontology Association. Mashhad, 129-135 (in Persian).

Ozdinova, S (2013) Oligocene nannofossils from the Paleogene basins of the western Carpathian. Mineralia slovaca, 41(4): 534- 545.

Perch-Nielsen, K (1985) Plankton Stratigraphy “Cenozoic Calcareous Nannofossils”, In: Bolli, H. M., Saunders, J. B., and Perch-Nielsen, K (Eds.), Plankton Stratigraphy. Cambridge University Press, 427–554.

Poulton, A. J., Holligan, P. M., Charalampopoulou, A., and Adey, T. A (2017) Coccolithophore ecology in the tropical and subtropical Atlantic Ocean: New perspectives from the Atlantic meridional transect (AMT) program. Progress in Oceanography, 158: 150–170. doi:10.1016/j.pocean.2017.01.003

Rush, W. D., Self-Trail, J., Zhang, Y., Sluijs, A., Brinkhuis, H., Zachos, J., Ogg, J, Robinson, M (2023) Assessing environmental change associated with early Eocene hyperthermals in the Atlantic Coastal Plain, USA. EGU sphere.

Saïag, J., Collin, P. Y., Sizun, J. P., Herbst, F., Faÿ-Gomord, O., and Smith, C. C (2019) Classifying chalk microtextures: Sedimentology versus diagenetic origin (Cenomanian-Santonian, Paris Basin, France). Sedimentology, 66(7): 2976–3007. doi:10.1111/sed.12618.

Shcherbinina, E (2010) Respone of early Paleogene nannofossils to periodically increased nutrient availability in the NE Peri-Tethys. EGU General assembly, Vienna, 13597.

Stocklin, J (1974) Northern Iran: Alborz Mountain, Mesozoic-Cenozoic Orogenic Belt, data for Orogenic Studies. Geology Society London.

Wade, B. S., and Bown, P. R (2006) Calcareous nannofossils in extreme environments: The Messinian Salinity Crisic, Polemi basin, Cyprus.Palaeogeography, Palaeoclimatology, Palaeoecology, 233: 271- 286. doi:10.1016/j.palaeo.2005.10.007.

Watkins, D. K (2007) Quantitative analysis of the calcareous nannofossil assemblages from CIROS-1, Victoria Land Basin, Antarctica. Journal of Nannoplankton Research, 29 (2): 130-137.

Wright, V. P (1986) Facies sequences on a carbonate ramp: the Carboniferous limestone of South Wales. Sedimentology, 33: 221–241.

Young, J. R., Geisen, M., Cros, L., Kleijne, A., Sprengel, C., Probert, I., and Ostergaard, J. B (2003) A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research Special Issue, 1: 1- 125. https://www.researchgate.net/publication/284778794.

Young, J. R., Bown, P. R., and Lees, J, A (2020) Nannotax3 website. International nannoplankton association. Retrieved from http://www. mikrotax.org/Nannotax3.