Results 121 to 130 of about 3,539 (164)

A palynological investigation of samples from the Devonian of SW England [PDF]

, 2006
The results of a palynological investigation aimed at determining the ages of 17 samples from the Devonian of SW England are reported. A key element in the extraction of determinable spores from these samples was successful oxidation of the material ...
Molyneux, S.G.
core  

Animal emergence during Snowball Earths by thermosynthesis in submarine hydrothermal vents [PDF]

, 2009
Darwin already commented on the lateness in the fossil record of the emergence of the animals, calling it a valid argument against his theory of evolution^1^.
Anthonie W. J. Muller
core   +2 more sources

Ediacaran Doushantuo-type biota discovered in Laurentia. [PDF]

Commun Biol, 2020
Willman S, Peel JS, Ineson JR, Schovsbo NH, Rugen EJ, Frei R.   +5 more
europepmc   +1 more source

Diagenetic nutrient supplies to the Proterozoic biosphere archived in divergent nitrogen isotopic ratios between kerogen and silicate minerals. [PDF]

Geobiology, 2022
Stüeken EE, Prave AR.
europepmc   +1 more source

PALYNOLOGICAL STUDY OF PALEOZOIC SEDIMENTS OF THE CHAL-I-SHEH AREA, SOUTHWESTERN IRAN [PDF]

Journal of Sciences, Islamic Republic of Iran, 1993
The Paleozoic sediments of the Chal-i-Sheh area in southwestern Iran comprising of Mila Formation, Ilebek Formation and Faraghan Formation, were studied palynologically. The samples containing well-preserved palynomorphs include acritarchs, chitinozoans,
doaj  

PALYNOSTRATIGRAPHY AND PACAIEOGEOGRAPHY OF EARLY PEFIMM STRATA IN THE ZAGROS BASIN, SOUTHEAST SOUTHWEST IRAN [PDF]

Journal of Sciences, Islamic Republic of Iran, 1997
A totall of 500 Early Permian samples from the Chal-i-Sheh Formation in the Zagros Basin were examined palynollogically in order to determine the stratigraphical age of the formation and to assess the palaeogeopaphicd relatianships of this basin to the ...
doaj  

Vegetation and climate change at the southern margin of the Neo-Tethys during the Cenomanian (Late Cretaceous): Evidence from Egypt. [PDF]

PLoS One, 2023
El Atfy H, Coiffard C, El Beialy SY, Uhl D.   +3 more
europepmc   +1 more source

Buried, not erased: palynofloras in ultra-high-pressure metamorphic rocks. [PDF]

Sci Rep
Carosi R, Montomoli C, Iaccarino S, Dana D, Corno A, De Cesari F, Spina A.   +6 more
europepmc   +1 more source

Timing and causes of forest fire at the K-Pg boundary. [PDF]

Sci Rep, 2022
Santa Catharina A, Kneller BC, Marques JC, McArthur AD, Cevallos-Ferriz SRS, Theurer T, Kane IA, Muirhead D.   +7 more
europepmc   +1 more source

Progress, challenges and future directions in marine organic-walled dinoflagellate cyst research: New insights from an international workshop. [PDF]

Mar Micropaleontol
García-Moreiras I, Amorim A, Pospelova V, Zonneveld K, Anderson DM, Beedessee G, Dale A, Dale B, David O, de Vernal A, Fatourou E, Folie-Boivin E, García-Portela M, Gu F, Gu H, Helenes J, Iratçabal V, Janouškovec J, Limoges A, Marret F, Meyvisch P, Nfongmo YN, Pochic V, Reguera B, Roza SEV, Sangiorgi F, Van Nieuwenhove N, Williams RW, Winifred V, Mertens KN.   +29 more
europepmc   +1 more source