Results 1 to 10 of about 2,075 (183)

PALYNOFACIES ANALYSIS OF NAOKELEKAN FORMATION, NORTHERN IRAQ; pp. 318–336 [PDF]

Oil Shale, 2019
Palynofacies analysis of 38 rock samples of the Late Oxfordian-Early Kimmeridgian Naokelekan Formation from two exploratory wells and two outcrops in northern Iraq was performed.
JAN ISAMEL, Hükmü Orhan
doaj   +2 more sources

The paleoecology and taphonomy of a Santonian-Campanian (Upper Cretaceous) dinosaur-bearing vertebrate locality from Bulgaria: a window into an underexplored part of the Late Cretaceous European Archipelago [PDF]

Swiss Journal of Palaeontology
The Upper Cretaceous European vertebrate fossil record has improved significantly in the past three decades but there still remain chronostratigraphic and geographic gaps, which obscure our understanding of the paleobiogeography and evolution within the ...
Vladimir Nikolov, Polina Pavlishina, Docho Dochev, Stephen L. Brusatte   +3 more
doaj   +2 more sources

Fácies Orgânica da Formação La Luna, Bacia do Valle Superior del Magdalena, Colômbia:Implicações para a Geração de Petróleo e Caracterização Paleoambiental. [PDF]

Anuário do Instituto de Geociências, 2007
Upper Cretaceous pelitic rocks generate most of the oil reserves in Colombia. In Del Magdalena Upper Valley (MUV), the existenceof good quality outcrops and thermal evolution levels that vary from immaturity to the end of the oil generation “window ...
Juliana Andrade Iemini, João Graciano Mendonça Filho, Felix Thadeu Teixeira Gonçalves, Taíssa Rêgo Menezes   +3 more
doaj   +4 more sources

Integrated biostratigraphy of the Maastrichtian-Danian sequence in the southern Tethys with insights into paleoenvironmental implications [PDF]

Scientific Reports
The Cretaceous-Paleogene (K/Pg) sequence offers a global perception of the paleoecological evolution in the southern Tethys realm. High-resolution calcareous nannofossil and dinoflagellate cyst analyses were conducted on subsurface Maastrichtian-Danian ...
Ramadan M. El-Kahawy, Aya Raafat
doaj   +2 more sources

Provenance, environments, and tectonic signatures of Tanjong-Sandakan Formations, Northeast Sabah, Malaysia: Implications from sedimentology, palynology, and geochemistry [PDF]

Heliyon
This study investigates marginal marine deposits found in the Tanjong and Sandakan formations from the Early to Late Miocene in Northeast Sabah. It examines sedimentology, trace elements (TE), rare earth elements (REE), hydrocarbon generation potential ...
Muhammad Firdaus Abd Halim, Nor Syazwani Zainal Abidin, Ery Arifullah   +2 more
doaj   +2 more sources

Palynostratigraphy, Paleoenvironments and Kerogen Evaluation of the Campanian-Maastrichtian Enugu Shale, Anambra Basin, Nigeria

Fountain Journal of Natural and Applied Sciences (FUJNAS), 2020
Palynological and palynofacies analyses were used to investigate the paleoenvironments and hydrocarbon potential of the Campanian-Maastrichtian Enugu Shale, Anambra Basin, Nigeria.
M. A. Olayiwola, E. U. Durugbo, O. T. Fajemila   +2 more
doaj   +3 more sources

Palynofacies and Palaeoenvironment of the Sanganeh Formation, East and the Center of the Kopet-Dagh Basin [PDF]

Journal of Stratigraphy and Sedimentology Researches, 2021
In order to identify the palynofacies and to reconstruct the paleoenvironment of the Lower Cretaceous depositions in the Kopet-Dagh sedimentary basin, the Sanganeh Formation was sampled and studied.
Narges Shokri, Ebrahim Ghasemi-nejad, Ali Reza Ashouri   +2 more
doaj   +1 more source

Study of water-level fluctuations throughout the deposition of the Gurpi Formation based on palynological data in the west of Dehrolan, south of Ilam [PDF]

Journal of Stratigraphy and Sedimentology Researches, 2020
To analyze the sedimentary palaeoenvironment of the Gurpi Formation in Bisheh–Deraz section in south of Ilam, various factors including diversity and abundance of dinocysts, a ratio of Peridinioid to Gonyaulacoid (P/G) dinoflagellate cysts, palynofacies ...
Mahsa Amiri, Elahe Zarei
doaj   +1 more source

Palynology of Early Cretaceous (Barremian to Aptian) hydrocarbon (methane) seep carbonates and associated mudstones, Wollaston Forland, Northeast Greenland

Acta Palaeobotanica, 2022
Palynostratigraphic and palynofacies analysis have been performed on hydrocarbon seep carbonate, carbonate nodule and mudstone samples from the Early Cretaceous Kuhnpasset Beds in the Kuhnpasset area of Wollaston Forland, Northeast Greenland.
Emil Bang, Hans Arne Nakrem, Crispin T.S. Little, Wolfram Kürschner, Simon R.A. Kelly, Morten Smelror   +5 more
doaj   +1 more source

Integrated organic geochemistry with palynofacies analysis of the Chia Gara Formation in the Kirkuk and Hamrin oilfields, North Iraq [PDF]

Kirkuk Journal of Science, 2016
The idea of the present work was to combine Rock-Eval pyrolysis and palynofacies analysis in an integrated approach to study 51 source rock cores and cuttings samples collected from the middle Tithonian- Berriasian Chia Gara Formation, in well K-109 ...
S.Y. El Beialy, W. Sh. El Diasty, A. M. Al Tarif, A.Q. Mahdi   +3 more
doaj   +1 more source