Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Peter L. Roeder"'
Autor:
Jean-Francois Valarcher, Nick J. Knowles, Valery Zakharov, Alexey Scherbakov, Zhidong Zhang, You-Jun Shang, Zai-Xin Liu, Xiang-Tao Liu, Aniket Sanyal, Divakar Hemadri, Chakradhar Tosh, Thaha J. Rasool, Bramhadev Pattnaik, Kate R. Schumann, Tammy R. Beckham, Wilai Linchongsubongkoch, Nigel P. Ferris, Peter L. Roeder, David J. Paton
Publikováno v:
Emerging Infectious Diseases, Vol 15, Iss 7, Pp 1046-1051 (2009)
We investigated the molecular epidemiology of foot-and-mouth disease virus (FMDV) serotype Asia 1, which caused outbreaks of disease in Asia during 2003–2007. Since 2004, the region affected by outbreaks of this serotype has increased from disease-
Externí odkaz:
https://doaj.org/article/ce77510bd95f4d4892ad9e7d641da7af
Autor:
Peter L. Roeder
Publikováno v:
Preventive Veterinary Medicine. 102:98-106
This paper describes the demise of rinderpest, focussing on the 20th Century and especially the period of the Global Rinderpest Eradication Programme, before proceeding to describe the process of accreditation of rinderpest freedom which is now virtu
Autor:
Daniel J. Schulze, Peter L. Roeder
Publikováno v:
Journal of Petrology. 49:1473-1495
Groundmass spinel grains in 46 kimberlite and related rocks have been analyzed and compared. The majority of the spinel analyses are classified as high-chromium chromite (Chr) and magnesioulvo« spinel^magnetite (Mum) and represent two significant st
Publikováno v:
Journal of Petrology. 47:883-900
The volume %, distribution, texture and composition of coexisting olivine, Cr-spinel and glass has been determined in quenched lava samples from Hawaii, Iceland and mid-oceanic ridges. The volume ratio of olivine to spinel varies from 60 to 2800 and
Publikováno v:
Journal of Volcanology and Geothermal Research. 134:245-248
Publikováno v:
The Canadian Mineralogist. 41:671-676
On trouve des cristaux bleu pâle de siderotil le long de la gallerie B de la mine Richmond (minerai de Cu-Zn-pyrite) a Iron Mountain, en Californie, en presence de coquimbite, romerite, halotrichite, copiapiteet voltaite. Les resultats d'analyses a
Publikováno v:
Journal of Volcanology and Geothermal Research. 123:245-265
The morphology and composition of spinel in rapidly quenched Pu’u ’O’o vent and lava tube samples are described. These samples contain glass, olivine phenocrysts (3–5 vol.%) and microphenocrysts of spinel (∼0.05 vol.%). The spinel surrounde
Autor:
Stephen Barnes, Peter L. Roeder
Publikováno v:
Journal of Petrology. 42:2279-2302
Compositional fields for spinels from a wide variety of mafic– a wide range of conditions from mafic and ultramafic ultramafic igneous rock types and tectonic environments have been magmas and, in the case of chromites, are often among determined f
Autor:
A. A. Poustovetov, Peter L. Roeder
Publikováno v:
Contributions to Mineralogy and Petrology. 142:58-71
A set of empirical equations is developed which allows calculation of chromian spinel composition in equilibrium with a basaltic melt under a known set of conditions. These equations are calibrated with published experimental data for the temperature
Publikováno v:
The Canadian Mineralogist. 39:397-416
Microphenocrysts of chromian spinel in glass from an East Pacific Rise lava and three Icelandic subglacial lavas show a variety of complex skeletal, hopper, vermiform and chain textures. These grains of chromian spinel are larger than those found in