Site: Vaitupu

Island: Vaitupu       Lithology: Reef island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 7601981       Wikidata ID: Q632495       Getty Thesaurus of Geographic Names ID: 1009600

Mindat Loc ID: 195222


In:

Tuvalu Wikidata ID: Q672

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. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
tpr287 0 0 3 5 1 2 1 0 0 0 0 3 0 0 microphaneritic, vitric, microlitic, lathwork
Exotic Vaitupu placer 0 0 3 4 0 2 0 0 0 0 0 3 0 0 Tuvalu
tpr288 3 0 2 4 1 3 0 0 0 0 0 2 0 0 microphaneritic, vitric, microlitic, lathwork
Exotic Vaitupu hybrid 3 0 2 4 1 3 0 0 0 0 0 2 0 0 Tuvalu

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_14_11 tpr287 (Exotic Vaitupu placer) Navatu, Viti Levu, Fiji 0 0 3 4 1 2 0 0 0 0 0 3 0 0 microphanertic, vitric, microlitic, lathwork
WD_14_8 tpr287 (Exotic Vaitupu placer) Navatu, Viti Levu, Fiji 0 0 3 4 1 2 0 0 0 0 0 3 0 0 microphaneritic, vitric, microlitic, lathwork
WD_14_12 tpr288 (Exotic Vaitupu hybrid) Navatu, Viti Levu, Fiji 3 0 2 4 1 3 0 0 0 0 0 2 0 0 microphoneritic, microlitic, vitric, lathwork

WD_14_11

Temei_53_2 Temei_53_2
Sherd 53-2 from Vaitupu (Vaitupu). Slide WD_14_11 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.

Has microgranular hypabyssal lithics as at Navatu, Fiji


WD_14_8

Temei_53_3 Temei_53_3
Sherd 53-3 from Vaitupu (Vaitupu). Slide WD_14_8 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.

Hypabassal lithics suggest Viti Levu Fiji as origin.


WD_14_12

Temei_53_6 Temei_53_6
Sherd 53-6 from Vaitupu (Vaitupu). Slide WD_14_12 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.

Calcareous hybrid


References:

092 Vaitupu, Tuvalu 1986 (Dickinson, W.)