Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A white, gray, or red iron-rich dolomitic or carbonate mineral, Ca(Fe,Mg,Mn)(CO3)2.
from The Century Dictionary.
- noun A crystallized variety of dolomite containing much iron.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A mineral closely related to dolomite, but containing iron.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy Any of a group of mixed
carbonate minerals , principally ofcalcium withiron ,magnesium andmanganese .
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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This assemblage is concentrated along the margins of a calcite/ankerite vein.
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A significant amount of quartz ankerite veining, in cases with significant sulphide mineralization was intersected at some locations and of the assays received to date one interval in drill hole DE-10-1 assayed 1. 77g/t gold over a 1.9 m core length, representing a new gold discovery in the area.
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Alteration consists of pervasive ankerite and sericite with local tourmaline, both disseminated and in veins.
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Alteration consists of pervasive ankerite and sericite with local tourmaline, both disseminated and in veins.
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Alteration consists of pervasive ankerite and sericite with local tourmaline, both disseminated and in veins.
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Recent mechanical trenching on the south vein system has uncovered considerable quartz-ankerite veining hosted within a package of strong carbonate altered and sheared mafic volcanic rocks containing pyrite and trace chalcopyrite mineralization.
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Quartz veins in sericite-ankerite schist 300 meters NE of the Stubby Zone Pyritic shear adjacent to New Silicified Zone
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Allochems (peloids, oolites) with oncolites & intercolumnal detritus, anthraxolite (dark), chert & chalcedony (matrix), hematite (red), ankerite (white/light colored rhombohedra), algal laminae are all visible in image.
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So, if I’m parsing it correctly, the red color is from hematite in the matrix, while most of the colored blobs and filamentary structures are stromatolites of various types; except for the white ones, which are ankerite.
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So, if I’m parsing it correctly, the red color is from hematite in the matrix, while most of the colored blobs and filamentary structures are stromatolites of various types; except for the white ones, which are ankerite.
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