Petrographic Pet`ro*graph"ic, Petrographical Pet`ro*graph"ic*al, a. Pertaining to petrography. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • petrographical — adjective see petrography …   New Collegiate Dictionary

  • petrographical — See petrographer. * * * …   Universalium

  • petrographical — petrÉ™ græfɪkl adj. of petrography, related to the study and classification of rocks …   English contemporary dictionary

  • petrographical — pet·ro·graph·i·cal …   English syllables

  • petrographical — adjective see petrographic …   Useful english dictionary

  • Petrographic — Pet ro*graph ic, Petrographical Pet ro*graph ic*al, a. Pertaining to petrography. [1913 Webster] …   The Collaborative International Dictionary of English

  • petrography — noun Etymology: New Latin petrographia, from petr + Latin graphia graphy Date: 1651 the description and systematic classification of rocks • petrographer noun • petrographic or petrographical adjective • petrographically adverb …   New Collegiate Dictionary

  • Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… …   Wikipedia

  • Petrography — is that branch of petrology which focuses on detailed descriptions of rocks. Someone who studies petrography is called a petrographer. The mineral content and the textural relationships within the rock are described in detail. Petrographic… …   Wikipedia

  • Ferdinand André Fouqué — (June 21, 1828 March 7, 1904) was a French geologist and petrologist.He was born at Mortain, in the Manche département .At the age of twenty one he entered the École Normale in Paris, and from 1853 to 1858 he held the appointment of keeper of the …   Wikipedia

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