The making of pure quartzose sand in continental interiors: Paraná River (Brazil and Argentina)
Sedimentology, Volume 73, Issue 3, Page 802-837, April 2026.ABSTRACT As part of a comprehensive project on sedimentary processes in South America, this study focuses on sediment generation in the intracratonic Paraná Basin and monitors the evolution of sand composition along the Paraná River from central Brazil to the Río de la Plata estuary in Argentina.
Eduardo Garzanti +5 more
wiley +1 more source
Papers in Palaeontology, Volume 11, Issue 2, March/April 2025.Abstract A new exceptionally preserved euarthropod, Keurbos susanae gen. et sp. nov. from the Upper Ordovician Soom Shale Konservat‐Lagerstätte of South Africa, is described herein. Two specimens exhibit an unusual preservation style such that the cuticular exoskeleton is preserved in low relief but retains high‐fidelity details, whereas the internal ...
Sarah E. Gabbott +3 more
wiley +1 more source
First record of Early Devonian (Lochkovian) flora from the Santa Rosa Formation - Alarache, Southern Bolivia [PDF]
, 2008 New information on plants and palynomorphs from Angosto de Alarache, South Bolivia, is presented. The plant remains appear at the base of the section. Dichotomizing sterile forms are assigned to Hostinella sp.
Di Pasquo Lartigue, Maria +1 more
core +4 more sources
Biostratigraphy of the Ludlow chitinozoans from East Baltic drill cores [PDF]
Estonian Journal of Earth Sciences, 2009 The distribution of chitinozoans in the East Baltic Ludlow sequences was studied in the Ohesaare, Ventspils, Pavilosta, and Dubovskoye drill core sections.
Nestor, Viiu
doaj
Hirnantian (latest Ordovician) bio- and chemostratigraphy of the Stirnas-18 core, western Latvia [PDF]
Estonian Journal of Earth Sciences, 2010 Integrated study of the uppermost Ordovician Porkuni Stage in the Stirnas-18 core, western Latvia, has revealed one of the most complete Hirnantian successions in the eastern Baltic region.
Hints, Linda +6 more
doaj
The Llandovery (Silurian) conodont species diversity on the Upper Yangtze Platform, South China [PDF]
Estonian Journal of Earth Sciences, 2014 Conodonts are one of the stratigraphically most important fossil groups in the Silurian Period. We examine the regional diversity dynamics of the Llandovery condonts on the Upper Yangtze Platform.
Zhongyang Chen +3 more
doaj +1 more source
Biostratigraphy and palaeogeography of lower Devonian Chitinozoans, from East and West Moesia, Romania [PDF]
, 2005 The knowledge on the biostratigraphy of Moesia has been supplemented based on chitinozoan assemblages in two boreholes, one from East Moesia and the second one from West Moesia. Previous contributions on chitinozoans, acritarchs and miospores, using only
Vaida, M., Verniers, J.
core
The late Ordovician Soom Shale Lagerstȁtte: an extraordinary post-glacial fossil and sedimentary record [PDF]
, 2016 Fossils of the Late Ordovician Soom Shale Lagerstätte are characterized by exceptional preservation of their soft tissues in clay minerals. The low-diversity community lived in an unusual cold-water setting, dominated by anoxic bottom waters, in the ...
Browning, Claire +3 more
core +1 more source
Publicación Electrónica de la Asociación Paleontológica Argentina, 2010 This paper presents the first palynological record of the Punta Negra Formation, Devonian from the San Juan Precordillera, Argentina. Twelve acritarchs species, 11 spores species, 5 prasinophyte species, 2 chitinozoans genera and one incertae sedis were ...
Claudia V. Rubinstein
doaj
Ordovician chitinozoans and review on basin stratigraphy, biostratigraphy and paleobiogeography of northern Argentina along the Proto-Andean margin [PDF]
, 2023 G. Susana de la Puente +1 more
openalex +1 more source