Fabric Code: tpr348a

Kadavu biotite

Biotite andesite from Western Kadavu. Has oxyhornblende and hornblende.

Fabric Class:

Feldspathic Igneous-Amphibolic: Dominated by feldspar inclusions, with igneous lithics and amphiboles.

Andesitic Arc: Dominated by andesite and basalt lithic fragments, with microlitic, felsitic and vitric textures, and the andesite minerals (plagioclase, clinopyroxene and sometimes hornblende).

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 1 0 5 1 3 2 0 2 0 0 0 4 0 0 vitric, felsitic
Min 0 0 3 0 1 1 0 1 0 0 0 2 0 0 Fiji

Representative slides:

Slide Site Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_65_10 Burelevu (Kadavu) Burelevu 0 0 5 1 2 1 0 1 0 0 0 3 0 0 felsitic, vitric
WD_65_7 Tavuki (Kadavu) Tavuki 0 0 4 1 2 2 0 1 0 0 0 2 0 0 vitric, felsitic
WD_65_8 Tavuki (Kadavu) Tavuki 0 0 5 1 2 2 0 1 0 0 0 3 0 0 felsitic, vitric
WD_65_13 Muani (Kadavu) Western Kadavu 0 0 3 0 3 1 0 2 0 0 0 4 0 0 felsitic, vitric
WD_65_14 Muani (Kadavu) Western Kadavu 0 0 3 0 3 2 0 2 0 0 0 3 0 0 felsitic, vitric
WD_65_15 Matanuku (Matanuku) Matanuku Island 1 0 5 1 1 1 0 1 0 0 0 3 0 0 felsitic, vitric
WD_65_16 Matanuku (Matanuku) Matanuku Island 0 0 5 0 2 1 0 1 0 0 0 3 0 0 felsitic, vitric
WD_65_17 Matanuku (Matanuku) Matanuku Island 0 0 4 1 2 2 0 1 0 0 0 3 0 0 felsitic, vitric
WD_65_18 Matanuku (Matanuku) Matanuku Island 0 0 4 1 3 2 0 1 0 0 0 3 0 0 felsitic, vitric
WD_65_19 Matanuku (Matanuku) Matanuku Island 0 0 4 0 2 2 0 2 0 0 0 3 0 0 felsitic, vitric

WD_65_10

Kadavu_BK2 Kadavu_BK2
Sherd BK2 from Burelevu (Kadavu). Slide WD_65_10 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.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_7

Kadavu_TK1 Kadavu_TK1
Sherd TK1 from Tavuki (Kadavu). Slide WD_65_7 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.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_8

Kadavu_TK2 Kadavu_TK2
Sherd TK2 from Tavuki (Kadavu). Slide WD_65_8 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.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_13

Kadavu_MU2 Kadavu_MU2
Sherd MU2 from Muani (Kadavu). Slide WD_65_13 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.

Biotite andesite. Has oxyhornblende, from non-local place on western Kadavu.


WD_65_14

Kadavu_MU3 Kadavu_MU3
Sherd MU3 from Muani (Kadavu). Slide WD_65_14 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.

Biotite andesite, from non-local site in Western Kadavu. Oxyhornblende as well as hornblende.


WD_65_15

Kadavu_MN1 Kadavu_MN1
Sherd MN1 from Matanuku (Matanuku). Slide WD_65_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.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_16

Kadavu_MN2 Kadavu_MN2
Sherd MN2 from Matanuku (Matanuku). Slide WD_65_16 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_17

Kadavu_MN3 Kadavu_MN3
Sherd MN3 from Matanuku (Matanuku). Slide WD_65_17 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.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_18

Kadavu_MN4 Kadavu_MN4
Sherd MN4 from Matanuku (Matanuku). Slide WD_65_18 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.

Biotite andesite. Has oxyhornblende as well as hornblende.


WD_65_19

Kadavu_MN5 Kadavu_MN5
Sherd MN5 from Matanuku (Matanuku). Slide WD_65_19 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Biotite andesite. Has oxyhornblende as well as hornblende.


References:

284 Kadavu, Fiji, 2010 (Dickinson, W.)