A swollen crinoid pluricolumnal from the Upper Ordovician of northern Kentucky, USA: the oldest record of an amorphous paleopathologic response in Crinoidea? [PDF]
Estonian Journal of Earth Sciences, 2014 Swollen or otherwise malformed crinoid remains are relatively common in the Phanerozoic. However, published reports typically describe swellings associated with a discrete pit, boring, embedment structure or encruster, and, moreover, are overwhelmingly ...
James R. Thomka +2 more
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The Ordovician brachiopod genus Cyrtonotella: taxonomy and distribution in the Baltic Basin [PDF]
Estonian Journal of Earth Sciences, 2019 The taxonomy of the Baltic Ordovician orthoidean brachiopods of the genus Cyrtonotella Schuchert & Cooper, 1931 is discussed, two neotypes are suggested and emended descriptions of species and subspecies are presented.
Linda Hints
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The succession of Hirnantian events based on data from Baltica: brachiopods, chitinozoans, conodonts, and carbon isotopes [PDF]
, 2008 The Hirnantian (late Ordovician) environment was complex and dynamic. Understanding the correct order of events and their precise correlation with a time scale are extremely important for the development of different kinds of environmental ...
Hints, Linda +3 more
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Biostratigraphy of Acritarchs and Chitinozoans in Ordovician Strata from the Fazel Abad Area, Southeastern Caspian Sea, Alborz Mountains, Northern Iran: Stratigraphic Implications [PDF]
Journal of Sciences, Islamic Republic of Iran, 2017 Sixty-four surface samples from the Lower Palaeozoic rock units (mainly Lalun,Abastu and Abarsaj formations) near Kholin-Darreh village in the Fazel Abad area,southeastern the Caspian Sea, Northern Iran, were analyzed to determine their agerelationships.
M. Ghavidel-syooki
doaj
Journal of Palaeogeography, 2020 Ostracods are described for the first time from the red-coloured marine sandstones of Arisu section (Arisu red beds) of the Upper Ordovician Tierekeawati Formation in Kalpin area of northwestern Tarim Basin, Xinjiang Uygur Autonomous Region (Xinjiang ...
Jun-Jun Song +5 more
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Review of the lithostratigraphy of the Middle Ordovician to Llandovery of the Condroz inlier (Belgium) by chitinozoan biostratigraphy: does the sedimentary succesion records the Ardennian deformation? [PDF]
, 2007 This paper reports on chitinozoans from the early Llanvirn (mid Darriwilian) Huy Formation found at three localities in the central Condroz Inlier: the Huy and Sart-Bernard railway sections and the Wépion borehole.
Vanmeirhaeghe, J.
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Penggunaan Zeolit sebagai penukar katian untuk menurunkan kesadaran air [PDF]
, 1993 Aluminium dengan valensi tiga dalam posisi tetrahedral memerlukan adanya penambahan muatan positif seperti alkali dan alkali tanah dldalam kerangka zeolit untuk mempertahankan kenetralan muatan listriknya, ion '- ion tersebut dapat ditukarkan dengan ion ...
Ishom , Faizul
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The Pre-Variscan sequence of the Carnic Alps [PDF]
, 2015 The Pre-Variscan sequence of the Carnic Alps includes rocks deposited between the Middle Ordovician and the early Late Carboniferous, and represents one of the most continuous sequence of the world in that time interval.
Corradini, C +3 more
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Assimilation, Hydrothermal Alteration and Graphite Mineralization in the Borrowdale Deposit (UK) [PDF]
, 2009 The volcanic-hosted graphite deposit at Borrowdale was formed through precipitation from C-O-H fluids. The G13C data indicate that carbon was incorporated into the mineralizing fluids by assimilation of carbonaceous metapelites of the Skiddaw Group by ...
Ortega Menor, Lorena +5 more
core +3 more sources
Ekspresi Lingual dalam Kontak Bahasa Komunitas Melayu Langkat di Stabat [PDF]
, 2010 Komunitas Melayu di Stabat adalah komunitas yang hidup berdampingan dengan berbagai komunitas lainnya. Kondisi ini menyebabkan beragamnya penggunaan bahasa dalam satu kawasan.
Adisaputera, A. (Abdurahman) +1 more
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