Difference between revisions of "Cryptocrystalline"
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== Description == | == Description == | ||
| − | A material composed of crystals too small to be recognized even under polarizing microscope. Cryptocrystalline [ | + | A material composed of crystals too small to be recognized even under polarizing microscope. Cryptocrystalline [[sedimentary]] rocks include [[chalcedony]], [[chert]], and [[flint]]. [[Igneous]] cryptocrystalline rocks include [[carbonado]] (a type of [[diamond]]) and some felsic rocks such as [[rhyolite]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 13:59, 13 January 2014
Description
A material composed of crystals too small to be recognized even under polarizing microscope. Cryptocrystalline Sedimentary rocks include Chalcedony, Chert, and Flint. Igneous cryptocrystalline rocks include Carbonado (a type of Diamond) and some felsic rocks such as Rhyolite.
Synonyms and Related Terms
criptocristalino (Port.)
Authority
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: Cryptocrystalline (accessed March 2010)