Calcareous concretions in the levriere (tributary of the epte, secondary tributary of the seine, eure department) [translation from: bull.ass.fr.etud.quaternaire 1973(2), 79-87, 1973]... The authors propose to make besides a petrographic examination of the calcareous precipitations and to see if their origin is connected to a biological activity, or if it is purely a case of a physical-chemical precipitation....
Of illite from a fractured granite... Petrographic examination showed that he illite has three modes of occurrence: (i) alteration product of biotite, (ii) microfracture (< 1 mm width) filling, (iii) macrofracture...
Alkali-silica reaction - possible cause of map cracking in gunite... Four test methods, the uranyl acetate method, petrographic examination, chemical analysis by electron microprobe, and X-ray diffraction, were used to investigate the presence of ASR within the gunite....
Method of test for petrographic examination of mineral aggregates... The primary criterion of a petrographic examination is the intended use of any particular material....
