Title | Thin section of ijolite |
Description | This is the plain polarized thin section of ijolite. The major minerals are pyroxene (aegirine), biotite and nepheline. Minor orthoclase, titanite (sphene) and apatite are also present. |
Chronostratigraphy | Late Precambrian |
Location | USA ▹ Colorado. McClure Mountains. |
Photographer | Darla Sondrol. 2001-11-01. |
Collection | Ward’s Collection of Classic North American Rocks #19. |
Key words | ijolite, Precambrian, Colorado |
Tech details | 1.68 MB. Thin section. Nikon FDX-35. |
GeoDIL number | 1727 |
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