exotic composition igneous rock
http://inspire.ec.europa.eu/codelist/LithologyValue/exoticCompositionIgneousRock
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kalsilitic and melilitic rocks
Igneous rock containing greater than 10 percent melilite or kalsilite. Typically undersaturated, ultrapotassic (kalsilitic rocks) or calcium-rich (melilitic rocks) mafic or ultramafic rocks.
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carbonatite
Igneous rock composed of more than 50 percent modal carbonate minerals.
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exotic alkaline rock
Kimberlite, lamproite, or lamprophyre. Generally are potassic, mafic or ultramafic rocks. Olivine (commonly serpentinized in kimberlite), and phlogopite are significant constituents.
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kalsilitic and melilitic rock
Igneous rock containing greater than 10 percent melilite or kalsilite. Typically undersaturated, ultrapotassic (kalsilitic rocks) or calcium-rich (melilitic rocks) mafic or ultramafic rocks.
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