Difference between revisions of "Igneous"

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[[File:1999.214-F4870.jpg|thumb|'''MFA Acc. #:''' 1999.214]]
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[[File:1999.214-F4870.jpg|thumb|Grinding stone<br>MFA Acc.# 1999.214]]
 
== Description ==
 
== Description ==
  
Rocks that solidified from a hot, molten matrix such as [http://cameo.mfa.org/materials/fullrecord.asp?name=magma magma] or [http://cameo.mfa.org/materials/fullrecord.asp?name=lava lava]. When the magma cools slowly, individual components can crystalline and form coarse-grain rocks, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=granite granite], [http://cameo.mfa.org/materials/fullrecord.asp?name=diorite diorite], [http://cameo.mfa.org/materials/fullrecord.asp?name=basalt basalt], and [http://cameo.mfa.org/materials/fullrecord.asp?name=syenite syenite]. When the magma or lava cools quickly, fine-grain minerals and glass-like rocks, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=rhyolite rhyolite] and [http://cameo.mfa.org/materials/fullrecord.asp?name=obsidian obsidian], are formed.
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Rocks that solidified from a hot, molten matrix such as [[magma]] or [[lava]]. When the magma cools slowly, individual components can crystalline and form coarse-grain rocks, such as [[granite]], [[diorite]], [[basalt]], and [[syenite]]. When the magma or lava cools quickly, fine-grain minerals and glass-like rocks, such as [[rhyolite]] and [[obsidian]], are formed.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
igneo (Esp., Port.); igne (Fr.); Magmatisch (Deut.)
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igneo (Esp., Port.); ignée (Fr.); Magmatisch (Deut.)
  
== Authority ==
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==Resources and Citations==
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
  
* Anne Grimmer, Anne Grimmer, Glossary of Building Stone Terms, ''A Glossary of Historic Masonry Deterioration Problems and Preservation Treatments'', National Park Service, Washington DC, 1984
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* Anne Grimmer, Glossary of Building Stone Terms, ''A Glossary of Historic Masonry Deterioration Problems and Preservation Treatments'', National Park Service, Washington DC, 1984
  
 
* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
 
* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  
* Random House, Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997
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* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997
  
 
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
 
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998

Latest revision as of 09:10, 28 August 2020

Grinding stone
MFA Acc.# 1999.214

Description

Rocks that solidified from a hot, molten matrix such as Magma or Lava. When the magma cools slowly, individual components can crystalline and form coarse-grain rocks, such as Granite, Diorite, Basalt, and Syenite. When the magma or lava cools quickly, fine-grain minerals and glass-like rocks, such as Rhyolite and Obsidian, are formed.

Synonyms and Related Terms

igneo (Esp., Port.); ignée (Fr.); Magmatisch (Deut.)

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
  • Anne Grimmer, Glossary of Building Stone Terms, A Glossary of Historic Masonry Deterioration Problems and Preservation Treatments, National Park Service, Washington DC, 1984
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998