| Sandstones with this component contain authigenic hematite intergrown with kaolinite and illite and replacing muscovite. |
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| The trend is produced by the presence of variable amounts of hemipelagic mud in the authigenic carbonates. |
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| This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated. |
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| Detrital quartz from an igneous source is usually substantially brighter in luminescence than quartz of an authigenic origin. |
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| These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides. |
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| Later, authigenic quartz was precipitated and carbonate phases were partly silicified. |
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| He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits. |
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| The Gracisce packstones contain a rich foraminiferal assemblage, composed of larger and planktonic foraminifera along with authigenic glauconite. |
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| The formation of botryoidal aragonite and clotted micrite was followed by silicification of carbonate phases and precipitation of authigenic quartz. |
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| As diagenetic growth of authigenic apatite continues within a bone, the isotopic composition of the whole bone will trend towards a purely diagenetic signal. |
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| The replacement of the authigenic magnetite by hematite probably occurred at the same time as the specular hematite that surrounds the dolomite grains. |
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| The occurrence of authigenic zeolites suggests deposition in hypersaline lacustrine waters in closed basins. |
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| Ilmjarv shows that there was intensive authigenic carbonate deposition since the Boreal up to the Sub-Atlantic. |
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| Early formation of authigenic silicates in the Kinnekulle Bed has been suggested by Kupli et al. |
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| Late diagenetic authigenic mineralization of sulphides associated with fractures and vugs took place in dolostones. |
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| The high Ba content is probably caused by authigenic accumulation of barite, although the source for authigenic accumulation of the element could be primary volcanic ash. |
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| Authigenic silicate minerals, where present in lower strata, are invariably represented by glauconite with shifts to chamosite only in intervals where the rock is lutitic. |
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