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Razak Formation

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(a) Photograph and (b) line drawing showing the Razak Formation (marls and sandstones) onlapping the Asmari Limestone some 100 km south of Shiraz. The height of the cliff is about 200 m (looking WSW, see Fig. 1 for location).

( a ) Photograph and ( b ) l ine drawing showing the Razak Formation (marl... Available to Purchase

Published: 01 November 2001
Fig. 4 ( a ) Photograph and ( b ) l ine drawing showing the Razak Formation (marls and sandstones) onlapping the Asmari Limestone some 100 km south of Shiraz. The height of the cliff is about 200 m (looking WSW, see Fig. 1 for location).
Image
(a) Photograph and (b) line drawing showing the Razak Formation (marls and sandstones) onlapping the Asmari Limestone some 100 km south of Shiraz. The height of the cliff is about 200 m (looking WSW, see Fig. 1 for location).

( a ) Photograph and ( b ) l ine drawing showing the Razak Formation (marl... Available to Purchase

Published: 01 November 2001
Fig. 4 ( a ) Photograph and ( b ) l ine drawing showing the Razak Formation (marls and sandstones) onlapping the Asmari Limestone some 100 km south of Shiraz. The height of the cliff is about 200 m (looking WSW, see Fig. 1 for location).
Image
Type section of the Razak Formation.

Type section of the Razak Formation. Available to Purchase

Published: 01 December 1965
Fig. 84. Type section of the Razak Formation.
Journal Article

Stratigraphy and Environmental Sedimentology of Lower Fars Group (Miocene), South-Southwest Iran Available to Purchase

Mansour S. Kashfi
Journal: AAPG Bulletin
Published: 01 December 1980
AAPG Bulletin (1980) 64 (12): 2095–2107.
DOI: https://doi.org/10.1306/2F919742-16CE-11D7-8645000102C1865D
...Mansour S. Kashfi Abstract On the basis of surface and subsurface geologic data, the lower Fars Group (Miocene) in the Zagros geosyncline of south-southwestern Iran can be divided into four major stratigraphic units: (1) anhydrite-salty facies (Gachsaran Formation); (2) sandy-silty facies (Razak...
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View PDF for article title, Stratigraphy and Environmental Sedimentology of Lower Fars Group (Miocene), South-Southwest Iran
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MAP SHOWING LIMITS OF THE GACHSARAN AND RAZAK FORMATIONS, AND AREA OF THICK DEVELOPMENT OF THE GURI MBR. OF THE MISHAN FORMATION.

MAP SHOWING LIMITS OF THE GACHSARAN AND RAZAK FORMATIONS, AND AREA OF THICK... Available to Purchase

Published: 01 December 1965
Fig. 85. MAP SHOWING LIMITS OF THE GACHSARAN AND RAZAK FORMATIONS, AND AREA OF THICK DEVELOPMENT OF THE GURI MBR. OF THE MISHAN FORMATION.
Journal Article

Evolution, paleoecology and sequence architecture of an Eocene carbonate ramp, southeast Zagros Basin, Iran Open Access

Afshin Zohdi, Reza Mousavi-Harami, Seyed Ali Moallemi, Asadollah Mahboubi, Adrian Immenhauser
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2013
GeoArabia (2013) 18 (4): 49–80.
DOI: https://doi.org/10.2113/geoarabia180449
... is capped by a major unconformity and overlain by the Lower Oligocene mixed clastic/carbonate Razak Formation. Based on data from field sections, eight facies associations and a series of sub-types have been established, which correspond to inner-, middle-and outer-ramp depositional environments...
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View PDF for article title, Evolution, paleoecology and sequence architecture of an Eocene carbonate ramp, southeast Zagros Basin, Iran
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Time-slice sketches (Ypresian Jahrum to Rupelian Razak formations) of the proposed paleoenvironmental and architectural evolution of the Jahrum Formation. The proposed location of different facies types is indicated. For key to symbols please refer to Figure 8. Note change from distally steepened ramp (Ypresian to Early Bartonian) to homoclinal ramp (Middle Bartonian to Rupelian). Relative position of studied anticline sections is indicated.

Time-slice sketches (Ypresian Jahrum to Rupelian Razak formations) of the p... Open Access

Published: 01 October 2013
Figure 14: Time-slice sketches (Ypresian Jahrum to Rupelian Razak formations) of the proposed paleoenvironmental and architectural evolution of the Jahrum Formation. The proposed location of different facies types is indicated. For key to symbols please refer to Figure 8 . Note change from
Image
Field pictures showing the Jarhum Formation deposits overlying the evaporitic Sachun Formation and unconformably overlain by Asmari/Razak Formations. Note the situation of the Somalina level at the lower part of the section and the studied level with imperforate LBF in the upper part.

Field pictures showing the Jarhum Formation deposits overlying the evaporit... Available to Purchase

Published: 01 July 2019
Figure 5. Field pictures showing the Jarhum Formation deposits overlying the evaporitic Sachun Formation and unconformably overlain by Asmari/Razak Formations. Note the situation of the Somalina level at the lower part of the section and the studied level with imperforate LBF in the upper part.
Image
(a and b) Schematic illustration showing transition from marine carbonate rocks of the Lower-Middle Eocene Jahrum Formation to continental and marine successions of the Oligocene Razak Formation (after Zohdi et al., 2013). In their overall context, these platforms show a southward-dipping inner-ramp-to-basin transect.

(a and b) Schematic illustration showing transition from marine carbonate r... Open Access

Published: 01 October 2014
Figure 3: (a and b) Schematic illustration showing transition from marine carbonate rocks of the Lower-Middle Eocene Jahrum Formation to continental and marine successions of the Oligocene Razak Formation (after Zohdi et al., 2013 ). In their overall context, these platforms show a southward
Image
Paleogeographic sketch maps envisage collision along the Zagros orogen. (A) Comparison between western (Lurestan region) and eastern (Fars region) parts of Zagros orogeny. These data were integrated from Homke et al. (2010); Mouthereau et al. (2012); Khadivi et al. (2012); and Pirouz (2013). (B) The Paleocene-Eocene in the Lurestan region. (C) The Paleocene-Eocene in the Fars region. (D) Earlier collision in the Lurestan and Kermanshah regions. (E) Later collision in the Fars and Neyriz regions (modified from Barrier et al., 2014). SaSZ—Sanandaj-Sirjan Zone; ZCZ—Zagros Crush Zone; SCB—South Caspian Basin; KO—Kermanshah ophiolite; NO—Neyriz ophiolite; Am.F—Amiran Formation; Sa.F—Sachun Formation; Ra.F—Razak Formation; As.f—Asmari Formation.

Paleogeographic sketch maps envisage collision along the Zagros orogen. (A)... Available to Purchase

Published: 08 November 2021
Crush Zone; SCB—South Caspian Basin; KO—Kermanshah ophiolite; NO—Neyriz ophiolite; Am.F—Amiran Formation; Sa.F—Sachun Formation; Ra.F—Razak Formation; As.f—Asmari Formation.
Journal Article

Constraints on palaeodrainage evolution induced by uplift and exhumation on the southern flank of the Zagros–Iranian Plateau Available to Purchase

S. Khadivi, F. Mouthereau, J. Barbarand, T. Adatte, O. Lacombe
Published: 01 January 2012
Journal of the Geological Society (2012) 169 (1): 83–97.
DOI: https://doi.org/10.1144/0016-76492011-031
... ) collected in fine- to medium-grained sandstones from the Razak (two samples), Agha Jari (seven samples) and Bakhtyari 1 (two samples) Formations ( Figs 6 and 7 ) and along the Chahar–Makan sections. The last were also subjected to AFT analysis. Above the major unconformity between Bk1 and Bk2 we collected...
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View PDF for article title, Constraints on palaeodrainage evolution induced by uplift and exhumation on the southern flank of the Zagros–Iranian Plateau
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Journal Article

Progressive unconformities within an evolving foreland fold–thrust belt, Zagros Mountains Available to Purchase

KHALED HESSAMI, HEMIN A. KOYI, CHRISTOPHER J. TALBOT, HADI TABASI, ESMAEL SHABANIAN
Published: 01 November 2001
Journal of the Geological Society (2001) 158 (6): 969–981.
DOI: https://doi.org/10.1144/0016-764901-007
...Fig. 4 ( a ) Photograph and ( b ) l ine drawing showing the Razak Formation (marls and sandstones) onlapping the Asmari Limestone some 100 km south of Shiraz. The height of the cliff is about 200 m (looking WSW, see Fig. 1 for location). ...
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View PDF for article title, Progressive unconformities within an evolving foreland fold–thrust belt, Zagros Mountains
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Geological cross sections across the Zagros. (a) SE of the Kazerun Fault (section A on Fig. 1), (b) NW of the Kazerun Fault (section B on Fig. 1). Shading indicates age of folds. The youngest marine sediments in strip ‘a’ are Eocene and were uplifted by folding in end Eocene. In strip ‘b’ the Asmari limestone is the youngest marine deposit was uplifted in Early Miocene. The Mishan Formation is the youngest marine sediment folded in strip ‘c’ which was uplifted by folding in Mid–Late Miocene. While, littoral clastics of the Razak in strip ‘c’ were restricted to the synclines. The strip ‘d’ was folded by the end Pliocene folding. Formations names are abbreviated as follows: Ep, Pabdeh Fm; Ej, Jahrom Fm; ICh, Hormuz salt; Kx, Cretaceous sediments in general; Mr, Razak Fm; Mgs, Gachsaran Fm; Mm, Mishan Fm; Ma, Agha Jari Fm; OMa, Asmari Fm; Plb, Bakhtyari Fm; Qal, Quaternary alluvium (modified after National Iranian oil company 1975b, 1976).

Geological cross sections across the Zagros. ( a ) SE of the Kazerun Fault ... Available to Purchase

Published: 01 November 2001
. In strip ‘b’ the Asmari limestone is the youngest marine deposit was uplifted in Early Miocene. The Mishan Formation is the youngest marine sediment folded in strip ‘c’ which was uplifted by folding in Mid–Late Miocene. While, littoral clastics of the Razak in strip ‘c’ were restricted to the synclines
Image
Present-day coastal-embayment depositional system in Brunei Bay, eastern Baram Delta Province. A) Geomorphological features and location of sub-depositional systems (satellite image from Bing), including 1) Padas delta, 2) Mengalong delta, 3) Lawas delta, 4) Trusan delta, 5) Limbang delta, and 6) Muara spit. The dashed white line is the axis of a surface anticline along the Klias Peninsula that plunges southwestwards into the subsurface and across the subaqueous entrance of Brunei Bay (Abdul Razak 2001; Lambiase and Cullen 2013). B) Simplified and partly schematic map of interpreted process depositional environments and geomorphological elements. Key for geomorphological elements is shown below. Refer to Figure 6A for ternary process diagram. C) Interpretation of equivalent facies successions (FS) preserved in the middle–late Miocene Belait Formation. Refer to Table 2 for classification of facies successions. After Abdul Razak (2001).

Present-day coastal-embayment depositional system in Brunei Bay, eastern Ba... Available to Purchase

Published: 03 April 2018
delta, and 6) Muara spit. The dashed white line is the axis of a surface anticline along the Klias Peninsula that plunges southwestwards into the subsurface and across the subaqueous entrance of Brunei Bay (Abdul Razak 2001; Lambiase and Cullen 2013 ). B) Simplified and partly schematic map
Journal Article

Neogene sediments and modern depositional environments of the Zagros foreland basin system Available to Purchase

MORTAZA PIROUZ, GUY SIMPSON, ABBAS BAHROUDI, ALI AZHDARI
Published: 01 June 2011
Geological Magazine (2011) 148 (5-6): 838–853.
DOI: https://doi.org/10.1017/S0016756811000392
... the distribution of major Neogene formations in the Zagros foreland basin based on published geological maps. (a) Distribution of the Razak, Gachsaran, Guri Member and Mishan units. (b) Distribution of the Agha Jari and Bakhtyari units. K-Q – Kazeroun-Qatar fault; M – Mengarak fault; ZMFF – Zagros Mountain Frontal...
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Journal Article

Reconstruction of ancestral drainage patterns in an internally draining region, Fars Province, Iran Available to Purchase

JACQUELINE LEE
Published: 17 February 2015
Geological Magazine (2015) 152 (5): 830–843.
DOI: https://doi.org/10.1017/S0016756814000685
... to the Agha Jari formation, which is considered to have been formed by fluvial systems ancestral to the present river systems in the Mesopotamian foreland basin (Vergés, 2007 ). This topographic analysis suggests that the Razak IDR represents a series of formerly integrated...
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View PDF for article title, Reconstruction of ancestral drainage patterns in an internally draining region, Fars Province, Iran
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Journal Article

Stratigraphic Nomenclature of Iranian Oil Consortium Agreement Area Available to Purchase

G. A. James, J. G. Wynd
Journal: AAPG Bulletin
Published: 01 December 1965
AAPG Bulletin (1965) 49 (12): 2182–2245.
DOI: https://doi.org/10.1306/A663388A-16C0-11D7-8645000102C1865D
...Fig. 84. Type section of the Razak Formation. ...
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View PDF for article title, Stratigraphic Nomenclature of Iranian Oil Consortium Agreement Area
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Petrographic modes shown in Qt/QmFL and QpLvmLsm ternary diagrams for sandstones collected along the Chahar–Makan section (see Fig. 7 for stratigraphic location). Qt/QmFL diagram shows that all samples belong to recycled lithic grains from a mixed orogen and magmatic source. The calculation of the mean petrographic composition in QpLvmLsm plot for the three studied group samples of the Razak, Agha Jari and Bakhtyari 1 formations reveals the increasing amount of sediment lithic fragments up section. For the group samples the mean is shown by a black square and the 95% confidence interval by a bold black line. These quantities have been computed using the CoDaPack3D Excel-based software (http://ima.udg.edu/~thio/).

Petrographic modes shown in Qt/QmFL and QpLvmLsm ternary diagrams for sands... Available to Purchase

Published: 01 January 2012
. The calculation of the mean petrographic composition in QpLvmLsm plot for the three studied group samples of the Razak, Agha Jari and Bakhtyari 1 formations reveals the increasing amount of sediment lithic fragments up section. For the group samples the mean is shown by a black square and the 95% confidence
Image
Lithostratigraphic framework of (A) the Fars region (after Beydoun et al., 1992; Petrolink, 1998; and Sheikholeslami et al., 2008) and (B) the Lurestan region (after Beydoun et al., 1992; Petrolink, 1998; and James and Wynd, 1965). The Miocene succession of the Neyriz region (Zagros Crush Zone) is equivalent to the Fars Group (Razak, Mishan, and Aghajari Formations). Formations in the Sanandaj-Sirjan Zone lack formal names. The red dots indicate the positions of zircon samples. Ages of strata are based on: (1) Homke et al. (2004); (2) Emami (2008); and (3) Pirouz et al. (2017). Metamorphic and magmatic events are based on: (4) Mouthereau et al. (2012); (5) and (9) Sarkarinejad and Alizadeh (2009); (6) Baharifar et al. (2004); (7) Sarkarinejad et al. (2009); (8) Zhang et al. (2018); (10) Houshmandzadeh (1990); and (11) Sheikholeslami et al. (2008). Constraints on orogenic phases are based on Khadivi et al. (2012) and Mouthereau et al. (2012).

Lithostratigraphic framework of (A) the Fars region (after Beydoun et al.,... Available to Purchase

Published: 08 November 2021
(Zagros Crush Zone) is equivalent to the Fars Group (Razak, Mishan, and Aghajari Formations). Formations in the Sanandaj-Sirjan Zone lack formal names. The red dots indicate the positions of zircon samples. Ages of strata are based on: (1) Homke et al. (2004) ; (2) Emami (2008) ; and (3) Pirouz et al
Journal Article

Potential leakage paths at the dams constructed on karst terrains in Iran Available to Purchase

Morteza Mozafari, Ezzat Raeisi
Published: 01 November 2021
Quarterly Journal of Engineering Geology and Hydrogeology (2022) 55 (2): qjegh2021-102.
DOI: https://doi.org/10.1144/qjegh2021-102
..., the following Cretaceous–Tertiary geological units were exposed in decreasing order of age: 350–900 m of calcareous shale and mudstone of the Pabdeh-Gurpi Formation (PGF); 500 m of limestone with marl inter-beds of the Asmari Formation (AF); 150–1300 m of marl and silty limestone of the Razak Formation...
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