Difference between revisions of "Ooid"
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== Description == | == Description == | ||
| − | Spherical to ellipsoidal body which may or may not have a nucleus and has concentric or radial structure or both. Ooids are is usually calcareous, but may be siliceous, hematitic, or of other composition. A [ | + | Spherical to ellipsoidal body which may or may not have a nucleus and has concentric or radial structure or both. Ooids are is usually calcareous, but may be siliceous, hematitic, or of other composition. A [[sedimentary|sedimentary]] rock containing numerous ooid grains that are cemented together is called an oolite. See also [[oolitic%20limestone|oolitic limestone]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 09:57, 10 May 2016
Description
Spherical to ellipsoidal body which may or may not have a nucleus and has concentric or radial structure or both. Ooids are is usually calcareous, but may be siliceous, hematitic, or of other composition. A Sedimentary rock containing numerous ooid grains that are cemented together is called an oolite. See also Oolitic limestone.
Synonyms and Related Terms
oolith; oólito (Port.)
Other Properties
Usually less than 2 mm in size
Sources Checked for Data in Record
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009.