Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An irregular polygonal system of calcite-filled cracks occurring in certain rock concretions.
from The Century Dictionary.
- noun A concretion or nodule of considerable size, and roughly spherical in shape, of which the parts nearest the center have become cracked during the drying of the mass, the open spaces thus formed having been subsequently filled with some infiltrated mineral, usually calcite. Such septaria or septarian nodules are abundant in various shaly rocks, especially in the Liassic beds in England.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Geol.) A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology A flattened
concretionary nodule , usually oflimestone , intersected within by cracks which are often filled withcalcite ,barite , or otherminerals .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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I. Section of an iron-stone septarium, cut horizontally, as it lies in its bed.
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In the circular or horizontal section, they present the most elegant septarium; and, from the examination of this particular structure, the following conclusions may be drawn.
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Another septarium, cut both horizontally and perpendicularly.
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Part of a septarium, the divisions of which are more in straight lines.
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About the tropics of the large septarium above mentioned, are circular eminent lines, such as might have been left if it had been coarsely turned in a lathe.
The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation Erasmus Darwin 1766
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These lines seem to consist of a fluid matter, which seems to have exsuded in circular zones, as their edges appear blunted or retracted; and the septarium seems to have split easier in such sections parallel to its equator.
The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation Erasmus Darwin 1766
hernesheir commented on the word septarium
septarian nodule
December 19, 2010