In similar contrast to the Okenyenya xenolith suite, lithologies such as wehrlite, eclogite and pyroxenite are also absent. |
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It occurs in a marble xenolith included in a nepheline syenite, associated with pectolite, apophyllite, quartz and minor aegirine. |
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The xenolith is composed predominantly of biotite and microcline with minor amounts of catapleiite, apatite, zircon and other accessory minerals. |
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Following the characterization of the mineral La-enriched calcioburbankite was encountered in a vug in a fragment of marble xenolith. |
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Sheldrickite occurs in a marble xenolith in the nepheline syenite intrusive unit close to a large unit of hornfels. |
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The new mineral petarasite occurs as irregular grains in a xenolith in the nepheline syenite at Mont St-Hilaire, Quebec. |
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More than 72 minerals have been recorded from the same xenolith. |
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Nalipoite was first collected in 1988 from a sodalite syenite xenolith. |
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Rounded, yellow, weathered peridotite xenolith in a nephelinite lava flow at Kaiserstuhl, SW Germany. |
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This pattern coincided with a geophysical signature related to the xenolith package. |
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In geology, the term xenolith is almost exclusively used to describe inclusions in igneous rock during magma emplacement and eruption. |
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Although the term xenolith is most commonly associated with igneous inclusions, a broad definition could include rock fragments which have become encased in sedimentary rock. |
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