Site: Rotuma

Island: Rotuma Lithology: Volcanic high island ( Nunn et al. (2016) )

Lithology and Age: None ( Chorlton (2007) ) Macrostrat Geological Map Link

Near/In Geonames ID: 6324593 Wikidata ID: Q2169106 Getty Thesaurus of Geographic Names ID: 7016794

Mindat Loc ID: None

In:

Rotuma Group Wikidata ID: Q934813

Rotuma Islands Wikidata ID: Q2169106

Fiji Wikidata ID: Q712

Note that to see the 'Geology' layer (layer options in top right corner) you may have to zoom out.

Fabrics:

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.	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Ig./Met. Rocks	Lithics/ Region
tpr387	1	0	6	1	1	1	1	microlitic, lathwork
Exotic Rotuma pyroxenic	1	0	6	0	1	1	1	Fiji
tpr392	0	2	2	0	1	3	6	vitric, lathwork
Rotuma olivine lithic	0	2	0	0	0	2	5	Fiji

Slides:

Slide	Fabric	Possible Origin	Cal.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics
WD_111_1	tpr392 (Rotuma olivine lithic)	Rotuma	0	0	2	2	0	1	2	0	0	0	0	6	0	0	lathwork

WD_111_1

Rotuma_57_10 — Sherd 57-10 from Rotuma (Rotuma). Slide WD_111_1 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

High ratio olivine to pyroxene. Indigenous temper. Intergranular textured lithics typical of alkalic basalt lava. Only clinopyroxene, no orthopyroxene.