Results 91 to 100 of about 1,541,264 (242)

Petrochemical features of upper jurassic deposits in Southeastern Caucasus (Azerbaijan)

Известия высших учебных заведений: Геология и разведка
Background. This paper presents the results of complex lithological studies of the Upper Jurassic sediments in the southeastern part of Azerbaijan, the Greater Caucasus area. Aim. Determination of the formation characteristics of Upper Jurassic carbonate-
Z. N. Mehdiyeva
doaj   +1 more source

The Jurassic of North-East Greenland: A new Middle–Upper Jurassic succession on Hold with Hope, North-East Greenland [PDF]

Geological Survey of Denmark and Greenland Bulletin, 2004
A succession of marine, Jurassic sediments was recently discovered on Hold with Hope, North-East Greenland. The discovery shows that the area was covered by the sea during Middle–Late Jurassic transgressive events and thus adds to the understanding of ...
Vosgerau, Henrik, Larsen, Michael, Piasecki, Stefan, Therkelsen, Jens   +3 more
doaj  

Reflux stratabound dolostone and hydrothermal volcanism- associated dolostone: a two-stage dolomitization model (Jurassic, Lebanon) [PDF]

, 2004
The Kesrouane Formation, which is characterized by pervasive dolomitization, has a stratigraphic thickness that exceeds 1000 m. It is part of a broad carbonate platform deposited in the Levant region and represents 60% of the Lebanese Jurassic rocks. Two
Nader, F.H., Ellam, R.M., Ellam, R., Swennen, R.   +3 more
core   +1 more source

Evaluation of the Rb/Sr ratio as an indicator of chemical weathering: a case study from five sedimentary sections in Northeast China

Boreas, EarlyView.
Chemical weathering plays a pivotal role in the Earth's surface material cycle and global climate regulation. It not only facilitates the reconstruction of palaeoclimate characteristics but also provides essential insights into Earth's evolutionary history.
Zhenyu Wei, Yuanyun Xie, Jie Meng, Lei Sun, Chunguo Kang, Yunping Chi, Peng Wu, Haijin Liu, Ruonan Liu, Ruitong Chang   +9 more
wiley   +1 more source

Widespread complex enameloid microstructure in teeth and rostral denticles of Cretaceous sclerorhynchoid skates (Rajiformes: †Sclerorhynchoidei)

Journal of Anatomy, EarlyView.
This article demonstrates that the teeth and rostral denticles of an extinct clade of sawfish‐like skates display an extremely derived enameloid microstructure, similar to what is known among sharks. The presence of tooth‐like enameloid microstructure in dermal denticles opens new perspectives about the origins and development of chondrichthyan ...
Endy Chateauneuf‐Gautier, Guillaume Guinot   +1 more
wiley   +1 more source

PREDICTION OF PARAMETERS FOR COMMERCIAL OIL-AND-GAS CONTENT ZONES OF JURASSIC SEDIMENTS IN THE NORTH OF WESTERN SIBERIA

Известия высших учебных заведений: Нефть и газ, 2019
Discovered hydrocarbon deposits in a number of fields are the characteristic of the industrial productivity of Jurassic sediments in the north of Western Siberia.
Ya. I. Gladysheva
doaj   +1 more source

Heterodonty in the teeth of the turiasaurian sauropod from Angeac‐Charente (Early Cretaceous, southwestern France): Comparison of anatomical and geometric morphometric approaches

Journal of Anatomy, EarlyView.
Turiasaurian teeth from Angeac‐Charente exhibit five dental morphotypes and reveal clear heterodonty and anteroposterior size gradient. Qualitative comparative anatomy quickly and efficiently identifies morphotypes, while 3D geometric morphometrics combined with machine learning refine ambiguous cases, demonstrating that qualitative and quantitative ...
Clémence Le Gouellec, Ronan Allain, Jean Goedert, Romain Pintore, Jackson Carter, Rafael Royo‐Torres, Dominique Augier, Raphaël Cornette   +7 more
wiley   +1 more source

The palaeoecology of two Scottish encrinites: Jurassic crinoid assemblages from the Trotternish Peninsula, Isle of Skye, Scotland [PDF]

, 2009
Despite a long history of investigation, articulate crinoids from the Jurassic of Scotland have not received great attention compared to their counterparts in Southern England or continental Europe; this is thought to be largely due to poor preservation.
Clark, N., Hunter, Aaron, Hunter, A.W., Clark, N.D.L.   +3 more
core   +1 more source

Evolution, Routing and Reservoir Characteristics of Submarine Channels in a Structurally Deforming Slope Setting: Deep‐Water Joint Development Zone of Nigeria and São Tomé and Príncipe

Journal of Petroleum Geology, EarlyView.
ABSTRACT Deep‐water slope channels and associated facies are a major part of clastic sediment dispersal system extending from the shelf‐edge to the abyssal plain. The toe‐thrust area of the deep‐water Niger Delta enables the analysis of these channels and their interaction with evolving fault‐controlled sea‐floor topography to be determined ...
Stanley Ang, Mike Mayall, Lidia Lonergan
wiley   +1 more source

The heat flow, thermal history of the oil source Lower Jurassic Togurskaya suite and oil-and-gas potential of the Paleozoic of the Koltogor mezodepression(southern segment of the Koltogor-Urengoy paleorift)

Геофизический журнал, 2019
Input of the pre-Jurassic («Paleozoic») oil is important to the reproduction of the in-situ resources base of Western Siberian oil and gas extraction.
G. A. Lobova, T. E. Luneva, V. I. Isaev, A. N. Fomin, Ju. V. Korzhov, M. F. Galieva, D. S. Krutenko   +6 more
doaj   +1 more source