Results 111 to 120 of about 3,539 (164)

ACRITARCHS AND CONODONTS FROM THE CAMBRO - ORDOVICIAN FURUHÄLL (KÖPINGSKLINT) SECTION (ÖLAND, SWEDEN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2020
Cambrian to Lower Ordovician acritarchs and Lower Ordovician conodont species have been recorded from the Furuhäll Section at Köpingsklint on Öland, Sweden. The acritarchs are represented by three different microfloras.
GABRIELLA BAGNOLI   +2 more
doaj  

Devonian and Carboniferous palynostratigraphy of the South Portuguese Zone, Portugal : an overview [PDF]

open access: yes, 2007
A Zona Sul Portuguesa (ZSP) representa o ramo sul do Orógeno Varisco Ibérico e compreende os seguintes domínios, de norte para sul: o Antiforma do Pulo do Lobo, a Faixa Piritosa Ibérica, o Grupo do Flysch do Baixo Alentejo e o Sector Sudoeste ...
Fernandes, Paulo   +3 more
core   +1 more source

Biostratigrafie spodní křídy manínské jednotky (lom Butkov, Strážovské vrchy, Západní Karpaty) [PDF]

open access: yes, 2003
This paper is a continuation of systematic stratigraphical research of Lower Cretaceous sequence of the Manín Unit excavated in the Butkov quarry. Calcareous deposits are significant especially by richness of ammonites.
Halásová, Eva   +3 more
core   +1 more source

UPPER DEVONIAN ACRITARCHS AND MIOSPORES FROM THE GEIRUD FORMATION IN CENTRAL ALBORZ RANGE, NORTHERN IRAN [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1994
The Geirud Formation consists mainly of clastic sediments which are interbedded with limestone stringers. This rock unit is well-exposed along the Central Alborz Range in northern Iran.
doaj  

Impact of Chinese palaeontology on evolutionary research. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2022
Ma X, Wang G, Wang M.
europepmc   +1 more source

Devonian and carboniferous palynostratigraphy of the South Portuguese zone, Portugal - an overview [PDF]

open access: yes, 2014
The South Portuguese Zone (SPZ) represents the southern branch of the Iberian Variscides and comprehends the following geologic domains: the Pulo do Lobo Antiform, the Iberian Pyrite Belt, the Baixo Alentejo Flysch Group and the Southwest Portugal ...
Fernandes, Paulo   +3 more
core  

Siliceous and calcareous sources in marine high-quality hydrocarbon source rocks: skeleton-wall-shell of organism and their debris

open access: yesShiyou shiyan dizhi
Using techniques such as ultra-microscopic organic petrology, the study explores the relationship between bioclasts such as siliceous and calcareous skeleton-wall-shell organism and high-quality hydrocarbon source rocks in terms of their biomolecular ...
Longfei LU   +5 more
doaj   +1 more source

Environmental variables database from a Miocene marine stratigraphic section: A multivariate statistical analysis. [PDF]

open access: yesData Brief, 2021
Navarro EL   +7 more
europepmc   +1 more source

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