Examples of twinning and parallel growth in zircons from some Precambrian granites and gneisses
SUMMARY. Growth twins, parallel growths, and necked crystals are described from zircon popula-tions from granitic gneisses from the Precambrian of SW. Greenland. From observations of the distribution of internal growth zones it is concluded that whereas twinning takes place early in the growth histo...
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| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.625.2037 http://www.minersoc.org/pages/Archive-MM/Volume_39/39-305-587.pdf |