Results 141 to 150 of about 1,147 (200)

Characterization of Polycyclic Aromatic Hydrocarbons in a Shale Strata Profile from the First Member of the Upper Cretaceous Qingshankou Formation in the Sanzhao Sag, Songliao Basin, NE China. [PDF]

ACS Omega
Xiao F, Yang J, Yao Y, Li S, Huang Y, Gao X.   +5 more
europepmc   +1 more source

586 The Ordovician acritarch genus Barakella

Japanese Journal of Palynology, 2012
Yan, Kui, Li, Jun, Servais, Thomas
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Cryogenian evolution of stigmasteroid biosynthesis. [PDF]

Sci Adv, 2017
Hoshino Y, Hoshino Y, Poshibaeva A, Meredith W, Snape C, Poshibaev V, Versteegh GJM, Kuznetsov N, Leider A, van Maldegem L, Neumann M, Naeher S, Moczydłowska M, Brocks JJ, Jarrett AJM, Tang Q, Xiao S, McKirdy D, Das SK, Alvaro JJ, Sansjofre P, Hallmann C.   +21 more
europepmc   +1 more source

Precipitation driven decadal scale decline and recovery of wetlands of Lake Pannon during the Tortonian.

Palaeogeogr Palaeoclimatol Palaeoecol, 2012
Kern AK, Harzhauser M, Soliman A, Piller WE, Gross M.   +4 more
europepmc   +1 more source

Fossil Focus : Acritarchs

, 2016
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Morphological variability of peteinoid acritarchs from the Middle Ordovician of Öland, Sweden, and implications for acritarch classification

Palynology, 2021
Investigation of large populations of peteinoid acritarchs recovered from Middle Ordovician strata of the Halludden and Horns Udde quarry sections (Oland, Sweden) allows for statistical analyses ba...
Kroeck, David, Eriksson, Mats, Lindskog, Anders, Munnecke, Axel, Dubois, Michel, Régnier, Sylvie, Servais, Thomas   +6 more
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Acritarch distribution in the Middle Ordovician of Öland, Sweden: Ecostratigraphical or biostratigraphical signal?

Palaeogeography, Palaeoclimatology, Palaeoecology
The Middle Ordovician of the palaeocontinent Baltica provides some of the best preserved and most diverse acritarch assemblages of the lower Palaeozoic.
Anders Lindskog, Mats Eriksson, Claude Monnet   +2 more
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Acritarchs of the Precambrian in mobile zones

Earth-Science Reviews, 1980
Abstract This report lists acritarchs found in the various countries studied for I.G.C.P. Project No. 2. The results are provisional as collecting was not always made in accordance with the adopted rules. The research on the acritarchs from different levels in the Precambrian of the countries studied for I.G.C.P. Project No.
B.V. Timofeyev, G. Choubert, A. Faure-Muret   +2 more
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Acritarchs

Notes for a Short Course: Studies in Geology, 1987
In 1934 the Geological Society of America published its second Memoir: “Paleozoic Plankton of North America,” by Rudolf Ruedemann. This work was concerned primarily with invertebrates, especially the enigmatic and now-extinct graptolites. The primary producers of that era were virtually unknown; accordingly, the author devoted only a few pages to ...
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