petrography

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pe·trog·ra·phy

 (pə-trŏg′rə-fē)
n.
The description and classification of rocks.
pe·trog′ra·pher n.
pet′ro·graph′ic (pĕt′rə-grăf′ĭk), pet′ro·graph′i·cal (-ĭ-kəl) adj.
pet′ro·graph′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

petrography

(pɛˈtrɒɡrəfɪ)
n
(Geological Science) the branch of petrology concerned with the description and classification of rocks. Abbreviation: petrog
peˈtrographer n
petrographic, ˌpetroˈgraphical adj
ˌpetroˈgraphically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pe•trog•ra•phy

(pɪˈtrɒg rə fi)

n.
the branch of petrology dealing with the description and classification of rocks, esp. by microscopic examination.
[1645–55; < New Latin petrographia. See petro-1, -graphy]
pe•trog′ra•pher, n.
pet•ro•graph•ic (ˌpɛ trəˈgræf ɪk) pet`ro•graph′i•cal, adj.
pet`ro•graph′i•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

petrography

the branch of geology that describes and classifies rocks, usually after microscopic study. Cf. lithology. — petrographer, n. — petrographic, petrographical, adj.
See also: Geology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.

petrography

The description and classification of rocks.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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References in periodicals archive ?
Besides, eight of these petrographically investigated samples were analyzed for major and trace elements using XRF.
PETROGRAPHY AND GEOCHEMISTRY OF THE MID-TRIASSIC TREDIAN SANDSTONE IN THE SALT AND TRANS INDUS SURGHAR RANGES, PAKISTAN: IMPLICATIONS FOR PROVENANCE
This suggests that cementation occurred at about 1 km paleoburial depth, as petrographically attested by the crosscutting relationship with compaction stylolites observed in Group I and III veins.
Understanding Fluid Flow during Tectonic Reactivation: An Example from the Flamborough Head Chalk Outcrop (UK)
Petrographically, the dominating thick finely laminated uniform siliceous-carbonate mudstone (MS) oil shale intercalates with variable intervals of grain-bearing oil shale, in which interbeds of proper mudstone alternate with laminae, lenses and thin interbeds of wackestone (WS).
Petrography and mineralogy of the Attarat Um Ghudran oil shale, Central Jordan
A polarizing microscope was used to visually inspect and petrographically describe the powdered mudstone and sandstone samples.
Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content
Petrographically identical samples of so-called "Silasia granite" were medium-grained biotite granite with allotriomorphic grains (quartz, feldspar) with the exception of biotite (hypidiomorphic) and directionless structure.
Characterizing gas permeability and pore properties of Czech granitic rocks
In this study 20 carbonate samples of Late Ladinian age, located between meters 40 and 120 of the section of Figure 2, representing tidal flat to offshore transition zone environments, have been characterised petrographically. According to the textural classification of Dunham (1962) the studied limestones are mainly mudstones and wackestones.
Strontium isotopes and sedimentology of a marine triassic succession (upper ladinian) of the westernmost Tethys, Spain
They included the western (granitic) pluton in the Creignish Hills pluton, to which it is petrographically similar, and inferred a similar ca.
Field relations, age, and tectonic setting of metamorphic and plutonic rocks in the Creignish Hills--North Mountain area, southwestern Cape Breton Island, Nova Scotia, Canada
Number of vessels reconstructed and fragmentary samples analyzed petrographically. Vasijas Sitio Cantaros Jarras, Cuencos y y Ollas jarros escudillas y vasos Cardonal 4 2 1 Bordo Marcial 0 0 0 IA-Falda del Cerro 2 0 0 Loma Alta 21 15 19 Tesoro I 3 2 2 Antigal de Tesoro 0 3 4 M.
Estudio petrografico de la ceramica arqueologica del primer milenio d.C. al sur de los valles calchaquies (Noroeste argentino)
Six soil profiles from four petrographically different areas in south-west Germany, a region characterised by a humid-temperate climate, were selected for the first runs of the new sequential extraction procedure, both to evaluate the method and to quantify the different Si-pools in the soil profiles.
Testing a new method for sequential silicon extraction on soils of a temperate--humid climate
Petrographically the section was discriminated between accretionary lapilli tuffs, fine hyaloclastite tuffs and mudstones cycles.
Fossilized microbial and algal textures in post eocene lacustrine zeolite tuff sequence, G. Abu Treifiya, Cairo-Suez road, Egypt

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