Difference between revisions of "Accessory"

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(Created page with "# Applied to minerals occurring in small quantities in a rock. The presence or absence of these minor minerals does not affect the classification or the naming of the rock. Ho...")
 
 
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# Fragments derived from previously solidified volcanic rocks of related origin; i.e., the debris of earlier lavas and pyroclastic rocks from the same cone. See also: accessory mineral
 
# Fragments derived from previously solidified volcanic rocks of related origin; i.e., the debris of earlier lavas and pyroclastic rocks from the same cone. See also: accessory mineral
 
# Said of pyroclastics that are formed from fragments of the volcanic cone or earlier lavas; it is part of a classification of volcanic ejecta based on mode of origin, and is equivalent to resurgent ejecta. CF: auxiliary  <br/>Source: Dictionary of Mining, Mineral, and Related Terms
 
# Said of pyroclastics that are formed from fragments of the volcanic cone or earlier lavas; it is part of a classification of volcanic ejecta based on mode of origin, and is equivalent to resurgent ejecta. CF: auxiliary  <br/>Source: Dictionary of Mining, Mineral, and Related Terms
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[[category: geology]]

Latest revision as of 15:30, 11 May 2020

  1. Applied to minerals occurring in small quantities in a rock. The presence or absence of these minor minerals does not affect the classification or the naming of the rock. Holmes, 2
  2. Fragments derived from previously solidified volcanic rocks of related origin; i.e., the debris of earlier lavas and pyroclastic rocks from the same cone. See also: accessory mineral
  3. Said of pyroclastics that are formed from fragments of the volcanic cone or earlier lavas; it is part of a classification of volcanic ejecta based on mode of origin, and is equivalent to resurgent ejecta. CF: auxiliary
    Source: Dictionary of Mining, Mineral, and Related Terms


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