petrographic वाक्य
उदाहरण वाक्य
मोबाइल
- This model of the outer layers of the earth has been confirmed by petrographic, gravimetric, and seismic evidence.
- In optical mineralogy, a petrographic microscope and cross-polarised light are often used to view the interference pattern.
- These material can be discerned by petrographic analysis and help to identify ores and fluxing agent used in the process.
- Related to crystal form, the quality of crystal faces is diagnostic of some minerals, especially with a petrographic microscope.
- The "'primary features of Nile silt "', as revealed by a petrographic microscope, include:
- Petrographic changes during the fall allowed estimates that the body was heated between 65 and 135 degrees during its atmospheric entry.
- Recognising a crenulation in a rock may require inspecting the rock with a hand-lens or petrographic microscope in thin section.
- He worked on petrography at the Geological Survey of Saxony and developed methods to recognize stratigraphic sequences by petrographic and structural analysis.
- Dr . Pring joined with Dr . U . Kolitsch ( Curator of minerals and deposit collection, Mineralogical-petrographic Abt.
- Petrographic analysis of marble collected from about found it to consist as much as five percent of the ghosts of recrystallised crinoid ossicles.
- American Journal of Archaeology " detailing the petrographic and chemical analysis of a number of the Amarna and Ugaritic letters sent from Alashiya.
- In petrographic thin section, the most distinguishing features of pyrope are those shared with the other common garnets : high relief and isotropy.
- Most commonly, rock and mineral samples are prepared as thin sections or grain mounts for study in the laboratory with a petrographic microscope.
- In 1980, the LNEC realized a study of the stone, for signs of degradation based on physical, chemical and petrographic assessments.
- To observe the interference figure, true petrographic microscopes usually include an accessory called a Bertrand lens, which focuses and enlarges the figure.
- The investigator fulfilled, in particular, the petrographic and granulometric analyses of the clastic material of the giant ripples at the key sites.
- For instance, he used petrographic techniques to trace the origin of stone used in the giant Olmec sculptures of La Venta, Tabasco Mexico.
- Under the petrographic microscope, a thin section of the mineral will display brilliant interference figures in greens or blues ( Moore, 1971 ).
- The Rosiwal method ( also called Delesse and Rosiwal ) is basically a method of petrographic analysis and led to the development of the stereograph.
- 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.
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