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Masirah Bay Formation

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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2014
GeoArabia (2014) 19 (2): 17-48.
.... The overlying Ediacaran Nafun Group of Oman is shown between 635 and 547 Ma based on geochronologic data, and divided into: (1) the Lower Nafun Supersequence (635–582 Ma) consisting of the Hadash Formation (cap carbonate), the Masirah Bay Formation (clastics) and the Khufai Formation (carbonates); and (2...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2010
GeoArabia (2010) 15 (2): 209-244.
... Manqil formations, all of the Abu Mahara Group, deposited between ca. 585–572 Ma), not the Sturtian and Miranoan glaciations. The deep-marine organic-rich shales and siliciclastics of Oman’s Masirah Bay Formation (coeval Arkahawl Formation of Mirbat Group) are syn-rift and reflect the Nafun Transgression...
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Image
Outer and middle ramp facies tracts. (A) Contact between <b>Masirah</b> <b>Bay</b> and Kh...
Published: 01 August 2014
Figure 6 Outer and middle ramp facies tracts. (A) Contact between Masirah Bay and Khufai Formations in at KDS2, hammer is 32 cm (12.6 in.) tall. (B) KDS2 0.7 intraclast wackestone slab from the section base. (scale in millimeters). (C) Photomicrograph of MD5 0.1 very fine recrystallized dolomite
Journal Article
Published: 01 July 2003
Journal of Sedimentary Research (2003) 73 (4): 572-588.
... the Oman Mountains and on Masirah Island ("obduction-orogen provenance"). Dominant cellular serpentinite grains from residual mantle harzburgites of the Sama'il ophiolite contrast with gabbroic, diabase, and basaltic grains from igneous crustal rocks of the Masirah ophiolite. Detritus from autochthonous...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2003
GeoArabia (2003) 8 (4): 643-662.
...., 1994; Marzouk and Abd El Sattar, 1994; Sharland et al., 2001 ). As a result of the transcurrent dynamics, the margin slope was steep and narrow, and the related slope deposits were probably of a limited extent. They correspond to the small outcrops of the Shin’zi Formation described in Masirah Island...
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Series: Geological Society, London, Special Publications
Published: 01 January 2012
DOI: 10.1144/SP366.10
EISBN: 9781862396142
... of Lahan-1, which comes from Bowring et al. (2007) . Of the 112 samples studied, 16 were from the Abu Mahara Group (Ghadir Manqil Formation), 78 from the Nafun Group and 18 from the Ara Group (including the A3, A4, A5 and A6 cycles). Within the Nafun, 11 samples were from the Masirah Bay Fm., 32 from...
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Journal Article
Published: 01 May 2001
Journal of the Geological Society (2001) 158 (3): 513-520.
... with late Cretaceous ages (91–95 Ma) previously reported for the formation of the Troodos and Oman ophiolite complexes further west along the Neo-Tethyan suture zone and also predates the early to mid-Cretaceous Masirah ophiolite (c. 150 Ma) and its alkaline volcanic seamounts (115–125 Ma). An andesitic...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2014
AAPG Bulletin (2014) 98 (8): 1631-1667.
...Figure 6 Outer and middle ramp facies tracts. (A) Contact between Masirah Bay and Khufai Formations in at KDS2, hammer is 32 cm (12.6 in.) tall. (B) KDS2 0.7 intraclast wackestone slab from the section base. (scale in millimeters). (C) Photomicrograph of MD5 0.1 very fine recrystallized dolomite...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2004
GSA Bulletin (2004) 116 (11-12): 1367-1384.
... the Arabian area. Ongoing research is evaluating these different geodynamic scenarios. The Nafun Group, as defined by Cozzi and Al-Siyabi (2004) is made of the Hadash Formation at the base, which in turn is overlain by two major clastic-carbonate cycles. The first is composed of the Masirah Bay...
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Image
Schematic depositional profiles of the Khufai though four major time steps....
Published: 01 August 2014
Figure 17 Schematic depositional profiles of the Khufai though four major time steps. Boxes show approximate zones of the Khufai dome, Mukhaibah dome, and Oman Mountain outcrop exposures. T1: SB in the Masirah Bay formation up through the maximum flooding surface in the lower Khufai Formation. T2
Image
Figure 3. Variations in chemical and mineralogical indexes of alternation (...
in > Geology
Published: 01 April 2007
al. (2002) and Allen et al. (2004) . Errors in CIA due to uncertainties in major-element concentrations are <1.5% (<1 CIA unit). Two sigma error bars are indicated for MIA values. MB Fm.—Masirah Bay Formation.
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2005
GeoArabia (2005) 10 (2): 89-122.
... extensive shale units, the underlying ‘U’-Shale Formation and the overlying Thuleilat Shale Member. The basinal Al Shomou Silicilyte and the time-equivalent platform carbonates were deposited during a TST to HST in sea-level characterised by reduced siliciclastic input. Silicilyte formation was replaced...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2005
GeoArabia (2005) 10 (2): 17-34.
... ; Allen et al., 2004 ) represents a trangressive cap carbonate that directly overlies and oversteps the Fiq Formation of the Abu Mahara Group. The Hadash Formation is overlain by two siliciclastic-carbonate depositional cycles; from base up: (1) Masirah Bay-Khufai formations, and (2) Shuram-Buah...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2008
GeoArabia (2008) 13 (4): 45-72.
..., 2006 ; Le Guerroué et al., 2006b ), strongly oversteps basement-cored basin margins demonstrating a major sea-level rise at its base. Above the Hadash Formation, the Nafun Group contains two siliciclastic-to-carbonate cycles, starting with the marine shales and sandstones of the Masirah Bay Formation...
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Journal Article
Published: 01 April 1982
Journal of the Geological Society (1982) 139 (2): 147-163.
...N. H. Woodcock; A. H. F. Robertson Abstract The segment of the Antalya Complex W of Antalya Bay displays the results of latest Cretaceous to Miocene deformation on a previously passive Mesozoic continental margin. The 300 km 2 area detailed here includes parts of, from W to E, a Mesozoic carbonate...
Image
Carbon isotope (δ 13 C) trends through core TM-6 ( Lee et al., 2013 ). A: M...
in > Geology
Published: 01 December 2015
Figure 2. Carbon isotope (δ 13 C) trends through core TM-6 ( Lee et al., 2013 ). A: Marine carbonates (note the gray points in Masirah Bay Formation are likely influenced by diagenetic processes). B: Bulk organic carbon. C: C 20 –C 28 n -alkanes, with gray circles indicating average δ 13 C. D: C
Journal Article
Published: 01 September 2007
Journal of the Geological Society (2007) 164 (5): 997-1009.
... ). This age is in agreement with the constraints provided by the 700–750 Ma age of the underlying basement based on Rb–Sr, K–Ar and Sm–Nd whole-rock and mineral analyses ( Gass et al . 1990 ; Worthing 2005 ; Mercolli et al . 2006 ), but is considered to be more robust. The Masirah Bay Formation sample...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2004
GeoArabia (2004) 9 (4): 11-36.
... alternating with shallow- and deep-marine clastics deposited in half-grabens ( Leather, 2001 ; Leather et al., 2002 ). These are capped by the Hadash Formation cap carbonate ( Leather, 2001 , Leather et al., 2002 ), which transitionally passes upward into the overlying Masirah Bay Formation in Jabal Akhdar...
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Journal Article
Journal: Geology
Published: 01 May 2005
Geology (2005) 33 (5): 413-416.
.... The Hadash Formation was sampled at 21 sites (60 samples) and the Masirah Bay Formation at 5 sites (36 samples). In the Mirbat Formation, samples of the dolostone, tillite, and siltstone were collected from 12 sites (31 samples). Where possible, samples were taken from either side of local fold structures...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 2013
AAPG Bulletin (2013) 97 (7): 1181-1207.
.... A. Leather J. , 2006 , Post-Marinoan marine siliciclastic sedimentation: The Masirah Bay Formation, Neoproterozoic Huqf Supergroup of Oman : Precambrian Research , v.  144 , p.  167 – 198 , doi: 10.1016/j.precamres.2005.10.006 . Antonellini M. Mollema P. N. , 2000 , A natural analog...
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