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Middle East, Cretaceous-Eocene boundary

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Published: 01 December 2007
DOI: 10.5724/gcs.07.27.0045
EISBN: 978-0-9836096-3-6
... Abstract Seismic reflections interpreted to be top Oligocene, top Wilcox (approximately base middle Eocene), top Cretaceous, top Jurassic, and basement were mapped across portions of the Green Canyon, Keathley Canyon, Walker Ridge, Lund, Sigsbee Escarpment, Amery Terrace, and Lund South OCS...
Journal Article
Journal: Clay Minerals
Published: 01 September 2016
Clay Minerals (2016) 51 (4): 539-562.
... Formation ( Alişan & Derman, 1995 ). In addition, CretaceousEocene formations are exposed in the study area. The Kübler Index (KI, Kübler, 1968 ; Guggenheim et al. , 2002 ) was determined by measuring the full width at half maximum (FWHM) at the first basal illite reflection near 10 Å in air...
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Journal Article
Published: 01 November 1949
Journal of Paleontology (1949) 23 (6): 673-676.
...S. W. Tromp Abstract "Evidence is presented to show that the Cretaceous-Eocene boundary can be established in the Middle East very accurately by using the method of quantitative generic analyses. The boundary cuts through the so-called Danian and makes this term superfluous, at least in the Middle...
Journal Article
Published: 01 October 2007
Journal of Foraminiferal Research (2007) 37 (4): 360-371.
...-earliest Middle Jurassic interval, whereas Alpides sutures formed in the Late Cretaceous-Late Eocene interval. Figure 1 shows major Alpides sutures in Turkey and tectonic units that collided along them. The tectonic units were separated and isolated from each other by branches of the Neo-Tethys Ocean...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.3
EISBN: 9781786203724
... and limestones. The marine deposition in the Central Pontides ended with a thick sequence of Lower–Middle Eocene turbidites in the north, and coeval carbonates in the south. The southern part of the Central Pontides consists mainly of metamorphic and ophiolitic rocks representing Jurassic and Cretaceous...
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Journal Article
Published: 01 May 2015
Journal of Sedimentary Research (2015) 85 (5): 489-508.
..., Middle East Technical University, for mineralogical and microfacies analysis. Besides the first Paleocene forms, some Cretaceous forms are also observed in the first Danian sample (B14) such as Globotruncana arca, Globotruncana orientalis, Globotruncanita pettersi, Globotruncanita stuartiformis...
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Journal Article
Journal: Economic Geology
Published: 01 June 2013
Economic Geology (2013) 108 (4): 641-666.
... composed of phlogopitic biotite and magnetite ( Kuşcu et al., 2011 ). The present-day configuration of these tectonostratigraphic units is the consequence of southerly transport of nappes duing three major periods—the Late Cretaceous, late Eocene, and early to middle Miocene. The older two periods...
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Journal Article
Journal: Economic Geology
Published: 01 March 2011
Economic Geology (2011) 106 (2): 261-288.
..., (5) Late Cretaceous post-collisional to late orogenic magmatic rocks emplaced into the basement and sedimentary sequences, and (6) marine sedimentary and volcanic rocks of Paleocene-Eocene age overlain by continental sedimentary and volcanic units of Miocene to Plio-Quaternary age. Unlike...
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Series: AAPG Memoir
Published: 01 January 2014
DOI: 10.1036/13431864M106395
EISBN: 9781629812663
... There are working petroleum systems in different basins of Turkey. SE Turkey is the main oil producing region. About 40 oil fields have been discovered (Figure 2 ) in structural traps. Mainly Middle Cretaceous source rocks and partly Paleozoic source rocks charge...
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Journal Article
Published: 01 September 2002
Geological Magazine (2002) 139 (5): 559-576.
... sequence lies nonconformably on the metamorphic complex. According to the early work of Blumenthal (1941) , this sequence starts with deposits of early Middle Eocene age. The more detailed map of Blumenthal (1952) shows a narrow ridge of Palaeocene limestones to the east of Çamardi, but the sediments...
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Journal Article
Published: 28 March 2017
Geological Magazine (2017) 155 (2): 356-376.
... the sedimentary cover of the SK Terrane ( Fig. 2 ). In turn, the units from the IPS zone are topped by klippens of the IZ Terrane as documented c. 20 km east of Araç. The uppermost Paleocene – middle Eocene deposits of the Karabük–Kastamonu basin seal the relationships among the IZ and SK terranes and the IPS...
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Journal Article
Journal: Geosphere
Published: 27 October 2017
Geosphere (2017) 13 (6): 1774-1787.
... belt formation and a lower degree of metamorphism, which occurred during the collision and accretion of this block during the Cretaceous to Eocene ( Okay and Tüysüz, 1999 ). The Kırşehir block, composed of mainly Cretaceous high-temperature metamorphic rocks and igneous intrusions ( Göncüoğlu et al...
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Series: Geological Society, London, Special Publications
Published: 01 January 2017
EISBN: 9781862399600
... uplift of the Central Pontides as a consequence of the collision of an oceanic edifice. Cretaceous Oceanic Red Beds are marker beds of Santonian age along the much of the Pontides and are of mainly Campanian age within the Eastern Pontides. The Middle Campanian–Paleocene was a non-volcanic period...
Journal Article
Journal: Geosphere
Published: 25 September 2017
Geosphere (2017) 13 (6): 1788-1805.
... of Volcanology and Geothermal Research , v. 63 , no. 1–2 , p. 59 – 87 , doi:10.1016/0377-0273(94)90018-3. Le Pichon , X. , and Kreemer , C. , 2010 , The Miocene-to-Present Kinematic Evolution of the Eastern Mediterranean and Middle East and its implications for dynamics : Annual Review...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2011
GSA Bulletin (2011) 123 (5-6): 1141-1160.
... populations of Triassic, Early to Middle Jurassic, and Late Cretaceous zircons within Sevier hinterland deposits of east-central Nevada suggests geographic isolation from early Mesozoic terranes of western Nevada and the Sierra Nevada magmatic arc. Geographic isolation is also reflected in late Eocene Sevier...
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Journal Article
Published: 01 January 2005
Bulletin de la Société Géologique de France (2005) 176 (1): 93-105.
... separated from the main Maracaibo block along the Valera fault. According to Stéphan [1982], the N170°E-trending Caribbean compression developed in this area from late Cretaceous to Eocene. It was followed by a N105°E-trending compression older than middle Miocene, and finally by the NW-SE Andean...
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2011
GeoArabia (2011) 16 (4): 29-82.
... ranges in age from Late Coniacian to Late Eocene and spans the Cretaceous/Tertiary boundary, which is marked by a depositional hiatus in the upper part of the Muwaqqar Chalk-Marl ( Yassini, 1979 ). The age of the lowermost chalk was formerly considered to be Santonian ( Burdon, 1959 ; Wetzel and Morton...
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Journal Article
Published: 29 August 2017
Geological Magazine (2017) 155 (2): 506-535.
... that is mapped as the Paleocene ‘pm’ in MTA ( 2002 ) and as the Upper Cretaceous ‘kk’ Karadağ Formation + ‘ks’ Samanlik Formation and Paleocene Dizlltaşlar Formation in MTA ( 2010 ). These Cretaceous–Paleocene sediments are mapped in Figure 2a as ‘cp’. To the east these units thrust over the ‘e’ Eocene clastic...
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Journal Article
Published: 01 August 2013
Journal of Sedimentary Research (2013) 83 (8): 637-668.
... kaolinite in middle–upper Pennsylvanian cyclic coal-bearing strata of the Illinois basin (IB) presented herein provide proxy records of middle–late Pennsylvanian equatorial terrestrial environments. Collectively, these data provide a better understanding of the polygenetic history of ancient soils preserved...
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Journal Article
Published: 01 January 2003
Rocky Mountain Geology (2003) 38 (1): 101-120.
... paleontology, geochronology, sequence stratigraphy, electric well logs, and two cored wells. Between 69 and 54 Ma, the Denver Basin accumulated sedimentary rocks that recorded the withdrawal of a seaway, the uplift of a mountain range, and evidence of the Cretaceous-Tertiary and Paleocene-Eocene boundary...
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