Sarah Lambart

5 Questions 12 Answers 0 Followers

Questions related from Sarah Lambart

EPMA issue: matrix effect or something else?

Hi, I don't understand the results I get from my EPMA calibrations. When I analyze San carlos olivine as an unknown, I'm getting very good results and totals. This is true when San Carlos olivine...

last month 3,665 3 View

Fe-Ni oxides in mafic rocks?

Hi, I'm studying a rather peculiar mafic sample that contains a good amount of oxides (titanomagmetite mostly) but also some iron oxides that contain up to 4wt% NiO. The rest of the minerals are...

15 March 2023 2,380 1 View

How calculate the confining pressure during an uniaxial compaction test (with an axial load of σ) of a material in a non-deformable sleeve?

in other words, what is the corresponding confining pressure on the sample during an oedometer test at a given axial pressure?

14 September 2016 2,778 2 View

Proportion of metasomatic veins in the lithospheric mantle?

Do you know a paper that describes the proportion of metasomatic veins (or of pyroxenites) in the lithospheric mantle based on field observations?

03 November 2013 9,096 10 View

Are there any natural suites that define a simple reference liquid line of descent for basanites, or alkali olivine basalts?

How can LLD of a typical silica under-saturated magma (basanite / alkali olivine basalt) be described, like the Carmichael's paper (1964) on Thingmuli for oversaturated liquids?

25 September 2012 2,212 5 View