petrographic analysis

petrographic analysis

A laboratory determination of the mineralogical and chemical character of rocks; by extension, an analysis of the constituents of concrete, yielding the approximate cement content.
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Samples for petrographic analysis were collect from the core for positive identification of the hornfels and other white sericite although were not submitted for lack of gold and the weak pathfinder elements of As, Sb and Hg in the core.
The company continues its re-logging, surveying and sampling of historical drill core, collecting lithogeochemical samples and completing petrographic analysis.
Petrographic analysis can yield entrained air content and water/cement ratio figures, plus insight on the condition of existing concrete, including crack types and cracking mechanisms.
A petrographic analysis of coal (reflectance of vitrinite Rr, vitrinite Vitr, inertinite Inert, liptinite Lipt) was determined according to ISO 7404 (ISO 7404-5, 2009; ISO 7404-3, 2009) and performed using microscopic assembly of Nikon Labophot 2 with a DS-CCD Nikon DS-5M camera equipped with immersion lens with a magnification of 40x and a Marzhauser motorized scanning stage.
"Following an extensive petrographic analysis, the correct stone needed to reinstate the wall has now been identified and we are currently awaiting delivery.
Petrographic analysis was carried out according to the guidelines of ASTM C-295 (ASTM, 1998a).
Detrital modes in the sand fraction were quantified by petrographic analysis of thin sections using the integrated point counting method (Gazzi, 1966; Dickinson, 1970; Zuffa, 1985).
Plaquemine recipes: using computer-assited petrographic analysis to investigate Plaquemine ceramic recipies.
While it is still early days as we await on the results from the assays together with litho-geochemical and petrographic analysis, we believe the Blackflake West project has the potential to be a new discovery of merit.
Petrographic analysis revealed planar deformation features broadly supportive of shock metamorphism (Spooner et al.
It is therefore very likely a local product though future petrographic analysis will be needed to confirm this hypothesis.