petrographic in English

adjective

['petrə'græfɪk]

pertaining to petrography, related to the study of rocks and minerals

Use "petrographic" in a sentence

Below are sample sentences containing the word "petrographic" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "petrographic", or refer to the context using the word "petrographic" in the English Dictionary.

1. Key words: alkali-aggregate reaction, concrete structures, laboratory tests, petrographic examination, rock types.

2. Differences between the flows are based on age rather than petrographic composition.

3. Petrographic analysis provided an additional description of their texture and mineral content, complementing the porosity maps.

4. Basalts may be broadly classified on a chemical and petrographic basis into two main groups: the tholeiitic and the alkali Basalts

5. The purpose of this paper is to combinethese petrographic observationsand derive someconstraints on the reactions involved in Bastiteformation

6. Clinker microstructure has been widely studied through numerous microscopic methods, including petrographic thin sections and the "Ono" method

7. The petrographic composition of the allothigenic boulders, their roundness, metamorphic stress and their state of conversation allows comparisons with rocks of the series of the Verrucano.

8. When viewed under crossed polarizers in a petrographic microscope, it displays first-order orange colors, giving a maximum birefringence of 0.0167 (determined by using the Michel- Levy chart).

9. Los Angeles abrasion and aggregate impact values were compared and correlations made between these parameters and the petrographic composition of the material, as well as some other common properties (particle shape, water absorption).

10. Petrographic observations show that in natural assemblages, staurolite breaks down more probably through reactions with muskovite + quartz rather than through the more simple reaction staurolite + quartz to Al-silicate + almandine.

11. Petrographic calculations, based on major elements, require 32% crystal accumulation mainly of plagioclase, K-feldspar and biotite for a direct model, while for a two-step model 21% and 14% crystal cumulate is required for the first and the second step respectively.

12. Petrographic Observations on Mixing of Acid and Basic Magmas: Genesis of the Dacitoïdes of the Qom-Aran Area (Central Iran) Among the Upper Eocene pyroclastic materials of the Qom-Aran area (Central Iran) there are rocks (named lava-breccias) with intermediate facies between lavas and pyroclastic rocks.

13. The research interests of the LEAPC include field archaeology, study of charred seeds, comparative study of animal bones, physical anthropology, pollen analysis, study of fish and shells, Archaeogeology, experimental archaeology, study of obsidian tools and flints and identification of use from traces, petrographic examinations of ceramics and