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<< < 1 2 3 4 5 6 7 8 9 10 11 12 13 > >>    122 offers found

Dissolution of halogen into complex high-pressure fluids

Description:

 

Halogen group elements, particularly fluorine and chlorine, are useful in tracing range of fluid that may be present during prograde metamorphisms associate to subduction. For example, recent result from LMV reported contrasting findings. (1) High pressure hydrothermal experiment determined... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Earth Science Subject2:Geochemistry 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


The role of sulfides as trace element reservoirs in the early solar system : an experimental study

Description:

 

Sulfide minerals are amongst the main constituents of meteorites, together with silicates and metal. The most abundant sulfide type is troilite, FeS. However, in meteorites condensed or equilibrated at very low oxygen fugacities a collection of more varied sulfides such as MgS , MnS... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Geochemistry Subject2:Earth Science Subject3:Astronomy, Astrophysics 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Quantitative microtopography and diachronic analysis of volcanic edifices in unrest and eruptive phase: insights from photogrammetry

Description:

 

Changes of topography with time at active volcanoes are the result of endogenic processes (ground deformation related to magmatic intrusions, hydrothermal activity) and exogenic processes (eruptive products: dome growth, pyroclastic flows, lava flows, etc.). Different methods allow... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Volcanology Subject2:Geophysics Subject3:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Cooling, crystallization and vesiculation of active lava: implications for flow rheology and dynamics

Description:

 

Understanding how lava flowing in a channel cools, crystallizes and vesiculates with distance from the vent is imperative if we are to track down flow changes in the flow rheology (viscosity and yield strength). These factors, in turn, will control the ability of the lava to move, and... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Volcanology Subject2:Geology Subject3:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Cerium isotope fractionation

Description:

 

Cerium is a rare earth element (REE). REE cations are all trivalent except two of them that present two different oxidation states. Amongst them cerium may be present under both the Ce3+ and Ce4+ forms. The coexistence of these two cations has important implications... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Geochemistry Subject2:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Geothermobarometry and genetic conditions for alkaline magmas

Description:

 

Although it is present on a large part of the Earth’s surface, and in various geodynamic settings, the alkaline magma series is probably the least studied of the magmatic series. Magma chamber systems in alkaline environments are complicated, with various differentiation levels,... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Volcanology Subject2:Geology Subject3:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Magma degassing speedometry

Description:

 

Rates at which gas has exsolved from magma is one of a fundamental parameter characterizes the nature of volcanic eruption. Volcanologists have made significant effort extracting degassing rate (or decompression rate since it is the fundamental criteria), from erupted material by studying... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Volcanology Subject2:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Dynamics of pyroclastic flows generated from continuous supply, an experimental approach.

Description:

 

Pyroclastic flows are mixtures of gas and particles generated by explosive volcanic eruptions and that can propagate at high velocity over distances of several kilometres. Field studies and recent experimental works suggest that the deposit of individual flows of small volume form incrementally,... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Volcanology Subject2:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


Geochemical study of active volcanism in Northern Andes (Ecuador-Peru): origin of eruptive patterns (effusive versus explosive)

Description:

 

Hazards and dangers associated with volcanic activity generally increase with the explosive degree of eruptions. The explosive degree of volcanic eruptions depends on various parameters including the amount and composition of gas and its ability to escape from magma. These parameters... read more

Start Date: 01 October 2014duration: 36 months, deadline to apply: 01 June 2014

Subject1:Volcanology Subject2:Geochemistry Subject3:Earth Science 
Lab:Laboratoire Magmas et Volcans
Institution:University Blaise Pascal City:Clermont-Ferrand Region:Auvergne
Salary:20-25k€ annual gross Fund category:Public Funding - University Doct. School:Basic Sciences


In vivo in situ cell metabolism monitoring using multiphoton excited intrinsic fluorescence lifetime imaging through a double clad optical fiber.

Description:

Description:

The accurate study of pathology and the quest for new therapeutic tools requires the monitoring of cellular metabolism in vivo in situ. Cellular metabolism can be measured through the fluorescence of intrinsic intracellular substrates such as NADH. The fluorescence... read more

Start Date: 01 September 2014duration: 36 months, deadline to apply: 01 September 2014

Subject1:Engineering Subject2:Biology 
Lab:Xlim / Photonic http://www.xlim.fr/photonique
Institution:University of Limoges City:Limoges Region:Limousin
Salary:Not Specified Fund category:Not Defined Doct. School:Science and engineering for information, mathematics (S2I)


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