Benoît Joseph Mbassa

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Questions related from Benoît Joseph Mbassa

Could anyone know any application which allows to be able to determine the modal composition of a rock from its whole rock chemical composition?

I have to classify some rocks using their modal composition, but no point counter in my disposal, that's why I would like to know if some one may help me with any Excel sheet or reliable...

01 November 2023 1,313 3 View

Is there any close relation between major or trace elements content (excluding isotope) of volcanic rock and the depth of magma chamber?

I would like to know how possible it is, to locate the depth of a magma chamber from where a lava flow is issued when you have its chemical composition .

23 June 2021 9,997 4 View

May someone provide me the full text of reference Ancey et al. (1978)?

I was asked to provide lower limits of detection of various oxides of micas, feldspars amphiboles, epidotes, spinels and chlorite analyzed with CAMECA SX50 microprobe

29 December 2019 647 2 View

Does Antoine provide litterature on crustal magmas mixing?

I currently study some crustal rocks (according to their Rb/Sr and Sm/Nd isotopic ranges), displaying mineralogical, chemical and petrographic features indicatif mixing as one of the main...

28 September 2019 917 0 View

Could anyone explain to me what process could lead to crystallization of prehnite lenses within biotite crystal in a granite?

I have some granite in which biotite crystals are often exhibit interleaving prehnite lenses in their core. I was first thinking about alteration process but I can't find any letterature talking...

16 September 2019 8,197 0 View