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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.the 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 Word Forms
- petrographer noun
- petrographic adjective
- petrographical adjective
- petrographically adverb
- ˌٰˈ adverb
- ˈٰDz noun
Word 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 Geognō′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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