scholarly journals Controls on deep-water slope channel complex fill, propagation, stacking, and orientation in the Middle Eocene-Oligocene Kırkgeçit Formation, Elazığ, eastern Turkey

2020 ◽  
Vol 29 (6) ◽  
pp. 976-1003
Author(s):  
Hasan ÇELİK ◽  
Bryan Thomas CRONIN
2005 ◽  
Vol 244 (1) ◽  
pp. 155-180 ◽  
Author(s):  
Bryan T. Cronin ◽  
Hasan Çelik ◽  
Andrew Hurst ◽  
Ibrahim Turkmen

2012 ◽  
Vol 36 (1) ◽  
pp. 83-99 ◽  
Author(s):  
Polina Alekseevna Safronova ◽  
Karin Andreassen ◽  
Jan Sverre Laberg ◽  
Tore Ola Vorren

2013 ◽  
Vol 87 (4) ◽  
pp. 589-602 ◽  
Author(s):  
Steffen Kiel ◽  
Kazutaka Amano

Bathymodiolin mussels are a group of bivalves associated with deep-sea hydrothermal vents and other reducing deep-sea habitats, and they have a particularly rich early Cenozoic fossil record in western Washington State, U.S.A. Here we recognize six species from middle Eocene to latest Oligocene deep-water methane seep deposits in western Washington. Two of them are new: Vulcanidas? goederti from the middle Eocene Humptulips Formation and Bathymodiolus (sensu lato) satsopensis from the late Oligocene part of the Lincoln Creek Formation. Very similar to the latter but more elongate are specimens from the early Oligocene Jansen Creek Member of the Makah Formation and are identified as B. (s.l.) aff. satsopensis. Bathymodiolus (s.l.) inouei Amano and Jenkins, 2011 is reported from the Lincoln Creek Formation. Idas? olympicus Kiel and Goedert, 2007 was previously known from late Eocene to Oligocene whale and wood falls in western Washington and is here reported from Oligocene seep deposits of the Makah and Pysht Formations. Vulcanidas? goederti occurs at a seep deposit from a paleodepth possibly as great as 2000 m, suggesting that its living relative, Vulcanidas insolatus Cosel and Marshall, 2010, which lives at depths of only 150–500 m, is derived from a deep-water ancestor. The bathymodiolins in western Washington indicate that the group originated at least in the middle Eocene and underwent a first diversification in the late Eocene to Oligocene. Early ontogenetic shells of all fossil species investigated so far, including the middle Eocene Vulcanidas? goederti, reflect planktotrophic larval development indicating that this developmental mode is an ancestral trait of bathymodiolins.


Author(s):  
U. Z. Naumenko ◽  
V. M. Matsui

Finding out the conditions of the geological past under which tar secretions were fossilised and primary bio-sedimentary deposits of protoamber were accumulated and amber-succinite placers formed in the marine environment is an important link in scientific research. Insufficient study of amber-succinite as an organic formation, which has gone through a difficult path of transition from wildlife to minerals, leads to irrational use and search for such valuable raw materials and its extraction is much less beneficial than planned. The authors have carried out a comprehensive systematization of accumulated knowledge on amber-succinite and other mineral types of mineral resins in Ukraine and the entire Baltic-Dnipro amber province. The article discusses the creation of a new map of mineral fossil resins in Ukraine. In addition to the known amber-bearing zones, deposits and occurrences of amber, the map carriespaleogeological and predicted loads, is closely related to the formation of both secondary placers of amber-succinite and primary biogenic-sedimentary deposits – resin bodies, transitional composition in the first half of the Middle Eocene (Buchakian time). In order to develop a reasonable forecast of the deposits, the authors identified the root source of amber-succinite placers, which is represented by biogenic-sedimentary deposits of resin bodies.  These deposits were formed in the Lower Middle Eocene during the Buchakian time on land of the Ukrainian Shield, most often within swampy accumulative depressions associated with ancient faults and structural tectonic traps. The conditions of the geological past, under which tar secretions were fossilized and primary biogenic-sedimentary deposits of the protoamber were accumulated, as well as the formation of amber-succinite placers, the first intermediate collectors in the coastal-marine, liman delta and deep-water parts of the paleoshelf, have been clarified. The work carried out by the authors resulted in predicted conclusions about the possibility of finding new areas promising for the discovery of industrial deposits of the most valuable type of fossil resins – amber succinite.


2017 ◽  
Vol 130 (1-2) ◽  
pp. 193-207 ◽  
Author(s):  
D. Rodelli ◽  
L. Jovane ◽  
E. Özcan ◽  
M. Giorgioni ◽  
R. Coccioni ◽  
...  

2018 ◽  
Vol 484 ◽  
pp. 329-340 ◽  
Author(s):  
Maximilian Vahlenkamp ◽  
Igor Niezgodzki ◽  
David De Vleeschouwer ◽  
Torsten Bickert ◽  
Dustin Harper ◽  
...  

AAPG Bulletin ◽  
2014 ◽  
Vol 98 (3) ◽  
pp. 515-544 ◽  
Author(s):  
Polina A. Safronova ◽  
Sverre Henriksen ◽  
Karin Andreassen ◽  
Jan Sverre Laberg ◽  
Tore O. Vorren

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