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petrographical

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pe⋅trog⋅ra⋅phy

  [pi-trog-ruh-fee]
Use petrographical in a Sentence
–noun
the branch of petrology dealing with the description and classification of rocks, esp. by microscopic examination.
Origin:
1645–55; < NL petrographia. See petro- 1 , -graphy

Related forms:
pe⋅trog⋅ra⋅pher, noun
pet⋅ro⋅graph⋅ic  [pe-truh-graf-ik] , pet⋅ro⋅graph⋅i⋅cal, adjective
pet⋅ro⋅graph⋅i⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Metallography Equipment
Competitive Abrasive Cutters Mounting Press, Grinder & Polisher
www.WorldofTest.com/
Source Rock Analysis
Exploration & Production Labs Geochemistry Laboratories
www.intertek-cb.com
pe·trog·ra·phy   (pə-trŏg'rə-fē)   
n.  The description and classification of rocks.
pe·trog'ra·pher n., pet'ro·graph'ic (pět'rə-grāf'ĭk), pet'ro·graph'i·cal (-ĭ-kəl) adj., pet'ro·graph'i·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
petrography   (pə-trŏg'rə-fē)  Pronunciation Key 
The description and classification of rocks, especially by means of microscopic analysis.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Petrolab Analysis
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www.petrolab.co.uk
Petrographic Thinsections
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