granite pegmatite

granite pegmatite

[′gran·ət ′peg·mə‚tīt]
(petrology)
References in periodicals archive ?
The major, minor, and trace element compositions of amphibolite, hornblende gneiss, schist, and granite pegmatite are given in Table 2.
Occurrence: In a Li-rich granite pegmatite. Associated minerals are: albite, potassic feldspar, roscherite, viitaniemiite, childrenite, quartz, apatite, herderite, elbaite and montmorillonite.
Occurrence: In a granite pegmatite. Closely associated minerals are: quartz, albite, apatite and stilpnomelane.
(2002) Kristiansenite, a new calcium-scandiumtin sorosilicate from granite pegmatite in Tordal, Telemark, Norway.
Occurrence: Intergrowths of magnesiotantalite, ferrotantalite, ferrocolumbite and uranium-bearing microlite form rims on manganotantalite crystals in andesine-calcite nests in a deeply desilicated granite pegmatite which cross-cuts serpentinite near its contact with marble.
The mine workings are located in a west-northwest-trending lenticular granite pegmatite which is over 100 meters in length and dips vertically or at a high angle toward the south-southwest.
Sirbescu, "The role of H2O in rapid emplacement and crystallization of granite pegmatites: Resolving the paradox of large crystals in highly undercooled melts," Contributions to Mineralogy and Petrology, vol.
(1940) Mineralogy of granite pegmatites of the Korosten pluton in Volyn and studies of ferruginous biotite.
The crystals are either collected from weathered granite pegmatites or alluvium, or they are removed from the miarolitic cavities by the local native artisans.
Included in the introduction is also a table covering twelve of the Alabashka Granite pegmatites and the minerals which have been found in the respective mines, and indicating each mineral's abundance in volume or weight percent.

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