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CALCAREOUS ROCKS

Miscellaneous

• Family: Raw Mineral
• Region: None
• Mined At: Unspecified
• Raw Mineral: Yes
• Generic: No

Notes

(Richard Willis)

Sedimentary rocks. Specific instances are often called “limestones”. In general, any rock that is principally of calcium carbonate, in contrast to rocks principally of calcium oxides. Given its numerous varieties, often accompanied by albite, orthoclase, anorthite and/or syenite feldspars. Can be purely or evolutionarily either sedimentary or metamorphic in origin. Dolomite and crete are exemplary calcareous minerals often found in rock formation.. Low-fire earthenware, such as maiolica, clays are exemplary calcareous-rock clays. In general, calcium carbonates, owing to their higher oxygen count, flux at lower temperatures than Ca oxides. Sandstone-looking rock formations on islands originating as sea beds raised above sea level are typically more of calcium carbonate than silica, owing to their abundant content of granulated shells and bones, and, in general, high alkali content.

Authors

• Richard Willis (Owner)

XML

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<material name="CALCAREOUS ROCKS" descrip="" generic="0" rawmineral="1" searchkey="" loi="0.00">
<families>
<family name="Raw Mineral"/>
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<notes>
<note>Sedimentary rocks. Specific instances are often called &amp;#147;limestones&amp;#148;. In general, any rock that is principally of calcium carbonate, in contrast to rocks principally of calcium oxides. Given its numerous varieties, often accompanied by albite, orthoclase, anorthite and/or syenite feldspars. Can be purely or evolutionarily either sedimentary or metamorphic in origin. Dolomite and crete are exemplary calcareous minerals often found in rock formation.. Low-fire earthenware, such as maiolica, clays are
exemplary calcareous-rock clays. In general, calcium carbonates, owing to their higher oxygen count, flux at lower temperatures than Ca oxides. Sandstone-looking rock formations on islands originating as sea beds raised above sea level are typically more of calcium carbonate than silica, owing to their abundant content of granulated shells and bones, and, in general, high alkali content.&lt;BR&gt;

</note>
</notes>
</material>

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