American Journal of Archaeology " detailing the petrographic and chemical analysis of a number of the Amarna and Ugaritic letters sent from Alashiya.
32.
In petrographic thin section, the most distinguishing features of pyrope are those shared with the other common garnets : high relief and isotropy.
33.
Most commonly, rock and mineral samples are prepared as thin sections or grain mounts for study in the laboratory with a petrographic microscope.
34.
In 1980, the LNEC realized a study of the stone, for signs of degradation based on physical, chemical and petrographic assessments.
35.
To observe the interference figure, true petrographic microscopes usually include an accessory called a Bertrand lens, which focuses and enlarges the figure.
36.
The investigator fulfilled, in particular, the petrographic and granulometric analyses of the clastic material of the giant ripples at the key sites.
37.
For instance, he used petrographic techniques to trace the origin of stone used in the giant Olmec sculptures of La Venta, Tabasco Mexico.
38.
Under the petrographic microscope, a thin section of the mineral will display brilliant interference figures in greens or blues ( Moore, 1971 ).
39.
The Rosiwal method ( also called Delesse and Rosiwal ) is basically a method of petrographic analysis and led to the development of the stereograph.
40.
Petrographic research is often presented at the International Symposium on Archaeometry, the European Meeting on Ancient Ceramics and the meetings of the Ceramic Petrology Group.