Difference between revisions of "Igneous"
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| − | [[File:1999.214-F4870.jpg|thumb| | + | [[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 [ | + | 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 == | ||
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igneo (Esp., Port.); ignée (Fr.); Magmatisch (Deut.) | igneo (Esp., Port.); ignée (Fr.); Magmatisch (Deut.) | ||
| − | == | + | ==Resources and Citations== |
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 | ||
Latest revision as of 09:10, 28 August 2020
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