पेट्रोग्राफिक,

petrographic's Usage Examples:

is done by lowering the stage (increasing the focal distance) of the petrographic microscope and observing which direction the light appears to move.

From a petrographic point of view, the coal of Sulukta contains fusain and clarain.

Norite may be essentially indistinguishable from gabbro without thin section study under the petrographic.

worked at chemistry and mineralogy, and qualified himself for those petrographical researches for which he was distinguished.

Addition of plates between the polarizers of a petrographic microscope makes the optical identification of minerals.

determination of these two properties with chemical, X-ray diffraction, or petrographic analysis are required for identification.

distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.

cross-polarized light dims, as viewed through a thin section of a mineral in a petrographic microscope.

essentially indistinguishable from gabbro without thin section study under the petrographic microscope.

"Geochemical and petrographical characteristics of low-rank Balingian coal from Sarawak, Malaysia: Its.

polarizing petrographic microscope, electron microscope and electron microprobe.

exhibited by minerals of the mica group under cross polarized light of the petrographic microscope.

by dark bands (or isogyres), which can be produced using a geological petrographic microscope for the purposes of mineral identification and investigation.