Site: Ugaga

Island: Ugaga       Lithology: Volcanic low island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 2197336       Wikidata ID: Q24566364       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None


In:

Beqa Group Wikidata ID: Q135986740

Viti Levu Group Wikidata ID: Q1778643

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. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
tpr171 0 5 4 2 2 1 0 1 0 1 0 3 2 0 microphaneritic, felsitic, microlitic, siltstone, tectonite, chert
Rewa Delta orogen 0 3 2 1 1 0 0 0 0 0 0 1 1 0 Fiji
tpr354 0 2 4 2 2 3 1 1 0 2 0 4 0 0 microphaneritic, microlitic, vitric
Beqa feldspathic 0 1 3 1 1 1 0 0 0 0 0 3 0 0 Fiji
tpr356 5 0 2 5 1 4 1 1 0 0 0 2 0 0 microlitic, vitric
Beqa hybrid 2 0 1 3 0 2 0 0 0 0 0 1 0 0 Fiji
tpr357 0 0 2 5 4 3 0 0 0 0 0 2 0 0 microlitic, vitric
Exotic Ugaga pyribole-rich 0 0 1 4 3 2 0 0 0 0 0 2 0 0 Fiji
tpr358 5 5 4 1 0 1 0 0 0 0 0 1 0 0 felsitic
Exotic Ugaga quartzose 0 3 3 1 0 1 0 0 0 0 0 1 0 0 Fiji

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_66_3 tpr354 (Beqa feldspathic) Beqa 0 2 3 2 2 3 0 0 0 2 0 3 0 0 microlitic, microphaneritic,,vitric
WD_66_4 tpr354 (Beqa feldspathic) Beqa 0 2 4 1 2 1 1 1 0 0 0 4 0 0 microlitic, microphaneritic, vitric
WD_66_5 tpr356 (Beqa hybrid) Beqa 3 0 2 4 0 3 0 0 0 0 0 1 0 0 microlitic, vitric
WD_66_6 tpr357 (Exotic Ugaga pyribole-rich) Vaga Bay 0 0 1 4 4 3 0 0 0 0 0 2 0 0 microlitic, vitric
WD_66_11 tpr354 (Beqa feldspathic) Beqa 0 2 4 2 1 1 0 1 0 1 0 3 0 0 microphanertitic, microlitic, vitric
WD_66_12 tpr171 (Rewa Delta orogen) Rewa Delta 0 4 3 1 1 1 0 0 0 1 0 3 1 0 microlitic, vitric, microphaneritic, argillitic, silstone, chert, quartzite, felsitic
WD_66_14 tpr356 (Beqa hybrid) Beqa 3 0 2 4 0 3 0 0 0 0 0 2 0 0 microlitic, vitric
WD_66_15 tpr358 (Exotic Ugaga quartzose) Udu, Vanua Levu 5 3 3 1 0 1 0 0 0 0 0 1 0 0 felsitic
WD_66_16 tpr358 (Exotic Ugaga quartzose) Udu, Vanua Levu 0 5 4 1 0 1 0 0 0 0 0 1 0 0 felsitic

WD_66_3

Ugaga_UGA3 Ugaga_UGA3
Sherd UGA-3 from Ugaga (Ugaga). Slide WD_66_3 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.

Feldspathic.


WD_66_4

Ugaga_UGA6 Ugaga_UGA6
Sherd UGA-6 from Ugaga (Ugaga). Slide WD_66_4 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.

Feldspathic temper.


WD_66_5

Ugaga_UGA7 Ugaga_UGA7
Sherd UGA-7 from Ugaga (Ugaga). Slide WD_66_5 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.

Hybrid pyroxenic temper.


WD_66_6

Ugaga_UGA8 Ugaga_UGA8
Sherd UGA-8 from Ugaga (Ugaga). Slide WD_66_6 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.

Pyroxenic-rich with clinopyroxene. Possibly from Vaga Bay on Beqa due to hornblendes.


WD_66_11

Ugaga_2671 Ugaga_2671
Sherd UGA-2671 from Ugaga (Ugaga). Slide WD_66_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.

Feldspathic.


WD_66_12

Ugaga_2079 Ugaga_2079
Sherd UGA-2079 from Ugaga (Ugaga). Slide WD_66_12 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.

From Viti Levu.


WD_66_14

Ugaga_1044 Ugaga_1044
Sherd UGA-1044 from Ugaga (Ugaga). Slide WD_66_14 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.

Hybrid calcareous feldspathic.


WD_66_15

Ugaga_1158 Ugaga_1158
Sherd UGA-1158 from Ugaga (Ugaga). Slide WD_66_15 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.

Hybrid quartzose. Exotic to Ugaga, possibly from Udu, Vanua Levu.


WD_66_16

Ugaga_2064 Ugaga_2064
Sherd UGA-2064 from Ugaga (Ugaga). Slide WD_66_16 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.

Exotic to Ugaga, possibly from Udu Vanua Levu.


References:

163 Ugaga, Beqa, Fiji, 1997 (Dickinson, W.)

188 Viti Levu, Fiji, 1999 (Dickinson, W.)