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Aplite: Quiz

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Question 1: The accessory minerals of these rocks are principally oligoclase, muscovite, apatite and ________.
ZirconUraniumDiamondXenotime

Question 2: Dykes and threads of aplite are commonly observed traversing ________ bosses; they occur also, though less frequently, in syenites, diorites, quartz-diabases and gabbros.
Igneous rockFelsicBasaltGranite

Question 3: Aplite (pronounced /ˈæplaɪt/) in petrology, the name given to intrusive rock in which quartz and ________ are the dominant minerals.
AnorthitePlagioclaseFeldsparOrthoclase

Question 4: This article incorporates text from the Encyclopædia Britannica, Eleventh Edition, a publication now in the ________.
Intellectual propertyPublic domainCopyright infringementCopyright

Question 5: The aplites of ________ areas, for example, are the last part of the magma to crystallize, and correspond in composition to the quartzo-feldspathic aggregates that fill up the interspaces between the early minerals in the main body of the rock.
GraniteBasaltFelsicIgneous rock







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