Early Carboniferous
Secondary phloem in Early Carboniferous seed plants: anatomical diversity and evolutionary implications
... Int. J. Plant Sci. 175(8):891–910. 2014. 䉷 2014 by The University of Chicago. All rights reserved. 1058-5893/2014/17508-0002$15.00 DOI: 10.1086/677650 SECONDARY PHLOEM IN EARLY CARBONIFEROUS SEED PLANTS: ...
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Faironia difasciculata, a new gymnosperm from the Early Carboniferous (Mississippian) of Montagne Noire, France
... Following the seed plant precursors (Gerrienne et al., 2004) and earliest seed plants of Devonian age (Fairon-Demaret and Scheckler, 1987; Rothwell et al., 1989; Serbet and Rothwell, 1992), there are more than forty taxa ...
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Anatomy, affinities, and evolutionary implications of new silicified stems of Sphenophyllum Brongniart, 1828 from the early Carboniferous (Mississippian) of France and Germany
... Early Carboniferous anatomically preserved specimens from the Saalfeld region (Fig. 1), close to and of similar age as those of Kahlleite quarry, were assigned to Sphenophyllum insigne by Solms-Laubach ...
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Whose Roots Are These? Linking Anatomically Preserved Lignophyte Roots and Stems from the Early Carboniferous of Montagne Noire, France
... among the lignophytes. In the Early Carboniferous, it is doc- umented in only two genera that are both present in the Mon- tagne Noire deposits, Protopitys and Stauroxylon. Protopitys is a genus of ...
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Geochemical constraints on carboniferous volcanic rocks of Yili Block (Xinjiang, NW China) ; implication for the tectonic evolution of western Tianshan.
... the Carboniferous sequence of the Yili Block displays a regressive character with a progressive evolution from a gently subsiding platform during the Early Carboniferous (C1) towards a Late ...
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Devonian and Carboniferous research: homage to Professor Edouard Poty
... Hans-Georg HERBIG Mississippian (Early Carboniferous) sequence stratigraphy of the Rhenish Kulm Basin, Germany Michael R.W. AMLER Shallow marine Rostroconchia (Mollusca) from the latest Devonian ...
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Early Ottawa and engineering
... There js still a "mill" at the Rideau Falls, the National Research Council today op- erating a small water power plant, recently rebuilt in connection with th[r] ...
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Early Stages of Concrete
... tJe cannot conclude that one type of cement is more predisposed than another to large initial shrinlcages, but direct measurement on the concrete intended for use at a building site, [r] ...
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The tholeiites of the Valaisan domain (Versoyen, western Alps): a Carboniferous magma emplaced in a small oceanic basin
... the Early Permian, the Variscan belt is characterized by a Complex story involving both convergence [Franck and Oncken, 1990] and syn to post-thickening crustal extension [Ménard and Molnar, ...that ...
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Comparative stratigraphy of the lower part of the Carboniferous-Permian Bird Spring Formation, Spring Mountains, Clark County, Nevada
... Fine-grained slightly silty dark-gray limestone with some chert nodules and beds. Fine-grained pink-brown weathering siltstone[r] ...
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Long range early warning
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...
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Probing early crustal reworking
... Nd) systems to constrain the early crustal evolution of the Northeastern Superior Province and the oldest section of the Nain Province in Canada. The ~2750 Ma tonalites and trondhjemites from the Superior craton ...
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An early Cambrian greenhouse climate
... the early Cambrian (~541 to 509 million years ago) were the setting for a marked diversification of animal ...the early Cambrian marine environment—remain unconstrained, in part because of a substantial ...
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Early eukaryote evolution: microanalyses of remarkable microfossils of the Late Mesoproterozoic–Early Neoproterozoic
... The Late Mesoproterozoic–Early Neoproterozoic is an important period to investigate the diversification of early eukaryotes, prior to large “snowball Earth” glaciations and during time of changing ocean ...
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The Early Early Type: Discovery of a Passive Galaxy at $_{Zspec}$ $\sim$ 3
... 4. DISCUSSION RS-235 appears to be a quenched, if not entirely passive, galaxy at z = 2.99, the most distant spectroscopically confirmed so far. Its spectrophotometric properties suggest that this galaxy formed the bulk ...
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Early Diagenesis Modelling with MEDUSA
... of Early Diagenesis in the Upper Sediment (A) bioturbated mixed-layer with 21 grid-points on top of a stack of thin layers (sediment core) solves time-dependent transport-reaction equations solids: calcite, ...
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Regulation of Early Folliculogenesis - Refollis
... Le financement du projet Refollis n’a pas été poursuivi. Malgré tout, ces technologies seront précieuses pour étudier le dialogue moléculaire entre les 2 compartiments et les mécanismes d’action de gènes comme BMP15 ...
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Early Machine Translation in France
... It is interesting that our main thesis which recommends basing future MT programmes on appropriate linguistic resources is far from being accepted. Many products on sale are almost empty shells that the user has to fill ...
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Information under control: Medical news in France between the early 1950s and early 1980s
... the early 1950s, was in fact marginal in the field of journalism: its distribution was very limited as the owners of television sets rep- resented only 1 per cent of French households in ...and early 1960s, ...
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Early stage litter decomposition across biomes
... main determinant of the mass loss while climate and land use had little effect. 4.1. Substrate quality effects on litter decomposition The effect of initial litter quality (chemical and physical composi- tion) has been ...
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