Fabric Code: tpr390

Exotic Cikobia orogen

From Southern Viti Levu

Fabric Class:

Igneous Feldspathic: Dominated by igneous lithic inclusions with feldspars.

Dissected Orogen: Dominated by plutonic lithics such as microgranite, and those with microphaneritic textures, as well as metavolcanics. They have K-feldspars dominate, in addition to plagioclase.

Sites:

Mineral and Rock Abundances

None (0) Minor (1) Few (2) Common (3) Frequent (4) Major (5) Very Dominant (6)
0% 0-5% 5-15% 15-30 % 30-50% 50-70% 70-100%

Name Cal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
Max 0 2 4 2 1 2 0 0 0 1 0 4 0 0 microlitic, lathwork, microphaneritic, felsitic, vitric
Min 0 2 4 2 1 2 0 0 0 1 0 4 0 0 Fiji

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_98_22 Cikobia (Cikobia) Viti Levu 0 2 4 2 1 2 0 0 0 1 0 4 0 0 microlitic, lathwork, microphaneritic, felsitic, vitric

WD_98_22

Cikobia_CIK13 Cikobia_CIK13
Sherd CIK13 from Cikobia (Cikobia). Slide WD_98_22 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Microlitic, lathwork, microphaneritic, felsitic, vitric


References:

310 Nukubalavu, Natewa Bay, Vanua Levu, Fiji, 2014 (Dickinson, W.)

201 Cikobia, Fiji, 2001 (Dickinson, W.)