Difference between revisions of "Shell composition"

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[[Foraminifera ]]  |  [[SHELL| shell]] | [[Shell size|size]]  | [[morphogenesis]]  |  [[shell architecture]]  |  [[functional morphology]]  |
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There are three basic types of foraminiferal tests:
 
There are three basic types of foraminiferal tests:
  
* organic-walled
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* [[Organic-walled foraminifera|organic-walled]]
* [[agglutinated]] (cemented foreign particles/grains)
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* [[Agglutinated foraminifera|agglutinated]] (cemented foreign particles/grains)
* secreted calcium carbonate (calcite or aragonite)
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: - with organic cement
: - microgranular
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: - with calcareous cement
: - porcellaneous
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* [http://en.wikipedia.org/wiki/Calcareous calcareous] from secreted [http://en.wikipedia.org/wiki/Calcium_carbonate calcium carbonate([http://www.webmineral.com/java/Calcite.shtml calcite] or [http://www.webmineral.com/java/Aragonite.shtml aragonite])
: - hyaline
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: - [[Microgranular foraminifera|microgranular]]
* secreted ???silica (very uncertain)
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: - [[Porcellaneous foraminifera|porcellaneous]]
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: - [[Hyaline foraminifera|hyaline]] (glassy)
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- secreted ???silica (very uncertain)

Latest revision as of 19:49, 9 June 2006