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petrography
[pi-trog-ruh-fee]
noun
the branch of petrology dealing with the description and classification of rocks, especially by microscopic examination.
petrography
/ ˌpɛtrəˈɡræfɪk, pɛˈtrɒɡrəfɪ /
noun
petrog.Ìýthe branch of petrology concerned with the description and classification of rocks
petrography
The description and classification of rocks, especially by means of microscopic analysis.
Other 51³Ô¹Ï Forms
- petrographer noun
- petrographic adjective
- petrographical adjective
- petrographically adverb
- ËŒ±è±ð³Ù°ù´Çˈ²µ°ù²¹±è³ó¾±³¦²¹±ô±ô²â adverb
- ±è±ðˈ³Ù°ù´Ç²µ°ù²¹±è³ó±ð°ù noun
51³Ô¹Ï History and Origins
Origin of petrography1
Example Sentences
They will also do “petrography†on the concrete — studying it chemically and microscopically to test its strength and quality.
Petrography, diagenesis and provenance of Eocene Tyee Basin sandstones, southern Oregon Coast Range: new view from sequence stratigraphy.
Endress, M., Spettel, B. & Bischoff, A. Chemistry, petrography and mineralogy of the Tonk CI chondrite: preliminary results.
Geognosy, je-og′no-si, n. the study of the materials of the earth's substance, now frequently called Petrography—also GeognÅ′sis.—n.
Delicate cleavage-plates of gypsum are used in microscopic petrography for the determination of certain optical constants in the rock-forming minerals.
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