The Oligo-Miocene deepwater system of the Levant Basin

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- 17 -Table 2: Correlation of interpreted seismic horizons to lithostratigraphic units of the Levant Basin. See also the Tertiarystratigrpahy in Figure 3.Seismic Horizon Lithostratigraphic Boundary Estimated AgeViolet Top Mavqiim/Afiq (M horizon) Latest Messinian (latest Miocene)PurpleTop middle Ziqim/Pattish,Late Tortonian (Late Miocene)or base anhydrites (N horizon)Cyan Top Bet Guvrin/ Ziqlag Langhian (early Middle Miocene)Red Top Avedat Late Eocene to Early OligoceneGreen Top Talme Yafe/ Yagur / Negba / Daliyya Albian to Turonian4.2 Identification of Tertiary unconformities in the seismic data4.2.1 Elevated, eastern margin of the basinThree Tertiary unconformities that were identified by Gardosh et al. (2006, 2008) in the LevantBasin are marked on the seismic profiles by the red, cyan and purple horizons (Figs. 5-12). Thethree surfaces correspond respectively to major stratigraphic boundaries of (a) base Oligocene (b)lower Middle Miocene and (c) base Messinian anhydrite (Table 2). All three surfaces arecharacterized on the seismic data by incision, truncation and onlapping of seismic events. Thesephenomena are clearly recognized in the eastern, elevated part of the basin in an area extendingfrom the present-day coastline to some 50-70 km westward.An excellent example for Tertiary incision is observed in a seismic profile near the Hanaha-1borehole (Fig. 5). A conspicuous truncation surface, marked by the red horizon, is found at thecenter of the profile at about 3.6 sec TWT. The surface shows 800 m deep gorge cut into a mildlyfolded package of parallel reflections. At the bottom of this gorge, the Hanaha-1 boreholepenetrated the lower Cretaceous Gevar’am Formation, whereas the overlying canyon-fill iscorrelated by biostratigraphic data to the lower Oligocene Bet Guvrin Formation (Fig. 5) (Micro-Strat, 2003). This truncation surface is therefore correlated to the lowermost Oligocene regionalunconformity at the base of the Saqiye Group.A second, shallower incision surface, marked by the cyan horizon, is found in the seismic profile atabout 2.8 sec TWT (Fig. 5). The surface is characterized by truncation, forming a wide, 100-200 mdeep canyon. In the Hanaha-1 borehole, the strata below the canyon floor (at 2,862 m below MSL)were dated as lowermost Middle Miocene (top of Bet Guvrin Formation) whereas the canyon fill isof Middle Miocene, possibly Serravallian age (Micro-Strat, 2003). This truncation surface istherefore correlated to a regional unconformity of early Middle Miocene age.
- 18 -aSWNETWT (ms)bSWHanaha-1NEMavqiimZiqimTWT (ms)B. GuvrinGevaramFigure 5: Time migrated 2D seismic profile across the western part of the AshdodCanyon (a) uninterpreted, (b) interpreted. See location in Figures 13 to 15.
Page 1 and 2: The Oligo-Miocene deepwater system
Page 4 and 5: ITable of contentPageAbstract …
Page 6: IIIFigure 16: Depth map of the base
Page 9 and 10: - 2 -Oligo-Miocene sands were depos
Page 11 and 12: - 4 -The discoveries of the early 2
Page 13 and 14: - 6 -the southeastern part of the b
Page 15 and 16: - 8 -Legend2D survey A2D survey B2D
Page 17 and 18: - 10 -2.2 Seismic dataThe seismic i
Page 19 and 20: - 12 -conditions, and possibly sedi
Page 21 and 22: - 14 -3.3.2 Lower Oligocene sedimen
Page 23: - 16 -Druckman, 2006; Bertoni and C
Page 27 and 28: - 20 -aNWSETWT (ms)bYam West-1Ziqim
Page 29 and 30: - 22 -WETWT (ms)aYam Yafo-1multiple
Page 31 and 32: - 24 -NW SEaYam West-2Plio-Pleistoc
Page 33 and 34: - 26 -A third incision surface, mar
Page 35 and 36: - 28 -4.2.2 Deep, central part of t
Page 37 and 38: - 30 -10812591167Figure 13: Time st
Page 39 and 40: - 32 -10812591167Figure 15: Time st
Page 41 and 42: - 34 -HaifaQishon302829AtlitCaesare
Page 43 and 44: - 36 -Figure 19: Depth map on the t
Page 45 and 46: - 38 -SW NEAfiq Canyon Ashdod Canyo
Page 47 and 48: - 40 -The Beer Sheva-Afiq Canyon lo
Page 49 and 50: - 42 -SWNE SW NE SW NEPlio-Pleistoc
Page 51 and 52: - 44 -SWHanaha-1NE SW NE SW Hof Ash
Page 53 and 54: - 46 -BMSL1400m.1500200025003000Han
Page 55 and 56: - 48 -WE W E NW SEPlio-PleistoceneC
Page 57 and 58: - 50 -W EPlio-PleistoceneMessinian
Page 59 and 60: - 52 -S NPlio-PleistoceneM.-U. Mioc
Page 61 and 62: Figure 31: Stratigraphic section al
Page 63 and 64: - 56 -W ELower-slope and basin floo
Page 65 and 66: - 58 -SlopeSusita + En-GevsandsShel
Page 67 and 68: - 60 -In the Hadera Canyon the seis
Page 69 and 70: - 62 -Additional mechanisms for tra
Page 71 and 72: - 64 -The existence of channel fill
Page 73 and 74: - 66 -SlopePartly Uplifted ?Hordos
Page 75 and 76:
- 68 -Oligo-Miocene sands were depo
Page 77 and 78:
- 70 -Druckman, Y., Conway, B.H., E
Page 79 and 80:
- 72 -Neev, D., 1960, A pre-Neogene
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The Oligo-Miocene deepwater system of the Levant Basin

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