Yasawa Group

Wikidata ID: Q136769

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

Geonames ID: 2194241       Getty Thesaurus of Geographic Names ID: 1010396

Mindat Loc ID: 302785

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Many fabrics have a range of abundances. The range maximum (top) and minimum (bottom) are shown.

** Has full slide image available.

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
tpr394 6 0 3 1 0 1 0 1 0 0 0 2 0 0 felsitic, microlitic, vitric, lathwork
Yasawa calcareous felsic 6 0 1 0 0 1 0 0 0 0 0 1 0 0 Fiji
tpr395 6 0 1 2 0 1 0 0 0 0 0 2 0 0 lathwork, vitric, microlitic, felsitic
Yasawa calcareous pyroxenic 6 0 1 2 0 1 0 0 0 0 0 2 0 0 Fiji
tpr396 ** 5 0 4 2 0 1 0 0 0 0 0 4 0 0 microlitic, lathwork, vitric, felsitic
Yasawa hybrid lithic 2 0 3 1 0 1 0 0 0 0 0 3 0 0 Fiji
tpr398 3 0 4 1 1 1 0 0 0 0 0 3 0 0 microlitic, vitric, lathwork, felsitic
Yasawa hybrid feldspathic 3 0 4 1 1 1 0 0 0 0 0 3 0 0 Fiji
tpr399 ** 4 0 3 1 1 2 0 0 0 0 0 5 0 0 vitric, microlitic, felsitic, lathwork
Yasawa hybrid feldspathic vitric 0 0 3 1 1 1 0 0 0 0 0 3 0 0 Fiji
tpr400 5 0 4 4 1 2 0 0 0 0 0 3 0 0 vitric, microlitic, lathwork, felsitic
Yasawa placer feldspathic 2 0 3 3 1 1 0 0 0 0 0 2 0 0 Fiji
tpr401 1 0 1 6 1 1 0 0 0 0 0 2 0 0 microlitic, vitric, lathwork
Yasawa placer pyroxenic 1 0 1 6 1 1 0 0 0 0 0 2 0 0 Fiji
tpr403 ** 0 0 2 4 1 4 0 0 0 0 0 3 0 0 vitric, lathwork, microlitic, felsitic
Yasawa placer 0 0 2 4 1 2 0 0 0 0 0 3 0 0 Fiji
tpr404 ** 0 0 4 2 0 1 0 0 0 0 0 5 0 0 microlitic, felsitic, vitric, lathwork
Yasawa lithic 0 0 4 0 0 1 0 0 0 0 0 4 0 0 Fiji
tpr405 ** 0 0 5 3 2 2 0 0 0 0 0 4 0 0 microlitic, felsitic, vitric, lathwork
Yasawa hornblendic 0 0 4 2 1 2 0 0 0 0 0 2 0 0 Fiji
tpr407 0 2 5 1 1 1 0 0 0 1 0 2 0 0 microlitic, felsitic, microphaneritic, vitric
Yasawa quartzose 0 2 5 1 1 1 0 0 0 1 0 2 0 0 Fiji
tpr402 ** 2 0 3 6 1 3 0 0 0 0 0 3 0 0 microlitic, lathwork, felsitic, vitric
Yasawa medially placered 0 0 2 4 1 1 0 0 0 0 0 2 0 0 Fiji
tpr393 6 0 2 1 0 1 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic
Yasawa calcareous mafic 6 0 2 1 0 1 0 0 0 0 0 2 0 0 Fiji
tpr406 ** 0 0 6 0 2 2 0 0 0 0 0 2 0 0 microlitic, vitric
Yasawa oxy-hornblendic 0 0 6 0 2 2 0 0 0 0 0 2 0 0 Fiji
tpr397 ** 4 1 3 1 0 1 0 0 0 0 0 5 0 0 vitric, felsitic, microlitic
Yasawa hybrid felsic 2 0 3 0 0 0 0 0 0 0 0 3 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_95_13 tpr407 (Yasawa quartzose) Mana or Malolo 0 3 5 1 1 1 0 0 0 1 0 2 0 0 microlitic, felsitic, microphaneritic, vitric
WD_95_8 tpr405 (Yasawa hornblendic) Yasawa 0 0 4 2 1 2 0 0 0 0 0 4 0 0 microlitic, felsitic, vitric, lathwork
WD_95_4 tpr403 (Yasawa placer) Yasawa 0 0 2 4 1 4 0 0 0 0 0 3 0 0 vitric, lathwork, microlitic, felistic
WD_95_1 tpr404 (Yasawa lithic) Yasawa 0 0 4 0 0 1 0 0 0 0 0 5 0 0 microlitic, felsitic, lathwork
WD_97_4 tpr394 (Yasawa calcareous felsic) Yasawa 6 0 2 1 0 1 0 0 0 0 0 1 0 0 felsitic, lathwork, microlitic, vitric
WD_97_8 tpr394 (Yasawa calcareous felsic) Yasawa 6 0 3 1 0 1 0 0 0 0 0 2 0 0 felsitic, microlitic
WD_97_9 tpr395 (Yasawa calcareous pyroxenic) Yasawa 6 0 1 2 0 1 0 0 0 0 0 2 0 0 lathwork, vitric, felsitic, microlitic
WD_97_11 tpr395 (Yasawa calcareous pyroxenic) Yasawa 6 0 1 2 0 1 0 0 0 0 0 2 0 0 lathwork
WD_97_23 tpr398 (Yasawa hybrid feldspathic) Yasawa 3 0 4 1 1 1 0 0 0 0 0 3 0 0 microlitic, vitric, lathwork, felsitic
WD_92_1 tpr399 (Yasawa hybrid feldspathic vitric) Yasawa 4 0 3 1 1 1 0 0 0 0 0 3 0 0 vitric, microlitic, felsitic, lathwork
WD_92_10 tpr396 (Yasawa hybrid lithic) Yasawa 3 0 4 2 0 1 0 0 0 0 0 4 0 0 vitric, microlitic, felsitic, lathwork
WD_92_5 tpr400 (Yasawa placer feldspathic) Yasawa 5 0 3 2 1 2 0 0 0 0 0 2 0 0 microlitic, vitric, lathwork, felsitic
WD_92_8 tpr400 (Yasawa placer feldspathic) Yasawa 5 0 3 2 1 1 0 0 0 0 0 2 0 0 vitric, microlitic, lathwork, felsitic
WD_92_12 tpr401 (Yasawa placer pyroxenic) Yasawa 1 0 1 6 1 1 0 0 0 0 0 2 0 0 vitric, microlitic, lathwork
WD_97_13 tpr396 (Yasawa hybrid lithic) Yasawa 3 0 4 2 0 1 0 0 0 0 0 4 0 0 lathwork, microlitic, vitric, felsitic
WD_97_16 tpr396 (Yasawa hybrid lithic) Yasawa 2 0 3 2 0 1 0 0 0 0 0 4 0 0 lathwork, microlitic, vitric, felsitic
WD_92_15 tpr402 (Yasawa medially placered) Yasawa 1 0 3 5 1 2 0 0 0 0 0 3 0 0 microlitic, vitric, felsitic, lathwork
WD_92_16 tpr402 (Yasawa medially placered) Yasawa 2 0 3 4 1 2 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic, lathwork
WD_92_17 tpr402 (Yasawa medially placered) Yasawa 0 0 3 5 1 1 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic, lathwork
WD_92_18 tpr402 (Yasawa medially placered) Yasawa 2 0 3 5 1 2 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic, lathwork
WD_92_20 tpr402 (Yasawa medially placered) Yasawa 1 0 3 5 1 3 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic, lathwork
WD_92_21 tpr402 (Yasawa medially placered) Yasawa 1 0 2 6 1 2 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic, lathwork
WD_95_11 tpr406 (Yasawa oxy-hornblendic) Kadavu or Bulia 0 0 6 0 2 2 0 0 0 0 0 2 0 0 microlitic, vitric
WD_97_1 tpr393 (Yasawa calcareous mafic) Yasawa 6 0 2 1 0 1 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic
WD_95_9 tpr405 (Yasawa hornblendic) Yasawa 0 0 4 3 2 2 0 0 0 0 0 2 0 0 microlitic, vitric, felsitic, lathwork
WD_97_21 tpr397 (Yasawa hybrid felsic) Yasawa 4 0 3 1 0 1 0 0 0 0 0 3 0 0 felsitic, microlitic, vitric

WD_95_13

Yasawa_7000_43 Yasawa_7000_43
Sherd 1991-1007-43 from Waya (Waya). Slide WD_95_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.

Quartzose temper from Southern islands.


WD_95_8

Yasawa_1015_8 Yasawa_1015_8
Sherd 1991-1015-8 from Waya (Waya). Slide WD_95_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.

Hornblendic, possibly local.


WD_95_4

Yasawa_1012_116 Yasawa_1012_116
Sherd 1991-1012-116 from Waya (Waya). Slide WD_95_4 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.

Clinopyroxenes.


WD_95_1

Yasawa_1016_72 Yasawa_1016_72
Sherd 1991-1016-72 from Waya (Waya). Slide WD_95_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.

Lithic.


WD_97_4

Yasawa_1002_157 Yasawa_1002_157
Sherd 1991-1002-157 from Waya (Waya). Slide WD_97_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.

Calcareous felsitic


WD_97_8

Yasawa_1006_162 Yasawa_1006_162
Sherd 1991-1006-162 from Waya (Waya). Slide WD_97_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.

Calcareous felsic.


WD_97_9

Yasawa_18_110 Yasawa_18_110
Sherd 1994-18-110 from Waya (Waya). Slide WD_97_9 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.

Calcareous with pyroxenes and lathwork lithics.


WD_97_11

Yasawa_1016_38 Yasawa_1016_38
Sherd 1991-1016-38 from Waya (Waya). Slide WD_97_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.

Voids indicative of calcareous temper.


WD_97_23

Yasawa_3001_3 Yasawa_3001_3
Sherd 1997-3001-3 from Waya (Waya). Slide WD_97_23 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 feldspathic.


WD_92_1

Yasawa_1001_23 Yasawa_1001_23
Sherd 1991-1001-23 from Waya (Waya). Slide WD_92_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.

Hybrid vitric.


WD_92_10

Yasawa_18_182 Yasawa_18_182
Sherd 1994-18-182 from Waya (Waya). Slide WD_92_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.

Hybrid lithic.


WD_92_5

Yasawa_18_2 Yasawa_18_2
Sherd 1994-18-2 from Waya (Waya). Slide WD_92_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.

Calcareous with pyroxenes.


WD_92_8

Yasawa_18_177 Yasawa_18_177
Sherd 1994-18-177 from Waya (Waya). Slide WD_92_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.

Hybrid pyroxenic


WD_92_12

Yasawa_18_160 Yasawa_18_160
Sherd 1994-18-160 from Waya (Waya). Slide WD_92_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.

Pyroxenic. Mainly clinopyroxene, an occasional orthopyroxene.


WD_97_13

Yasawa_20_6 Yasawa_20_6
Sherd 2002-20-6 from Nacula (Nacula). Slide WD_97_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.

Hybrid lithic.


WD_97_16

Yasawa_21_2 Yasawa_21_2
Sherd 2002-21-2 from Nacula (Nacula). Slide WD_97_16 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 lithic.


WD_92_15

Yasawa_YE9 Yasawa_YE9
Sherd YE-9 from Yasawairara (Yasawa). Slide WD_92_15 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.

Pyroxenic. Mainly clinopyroxene.


WD_92_16

Yasawa_YW4 Yasawa_YW4
Sherd YW-4 from Yasawairara (Yasawa). Slide WD_92_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.

Pyroxenic, mainly clinopyroxene.


WD_92_17

Yasawa_YW10 Yasawa_YW10
Sherd YW-10 from Yasawairara (Yasawa). Slide WD_92_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.

Pyroxenic, mainly clinopyroxene.


WD_92_18

Yasawa_YW7 Yasawa_YW7
Sherd YW-7 from Yasawairara (Yasawa). Slide WD_92_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.

Pyroxenic. Mainly clinopyroxene.


WD_92_20

Yasawa_YE2 Yasawa_YE2
Sherd YE-2 from Yasawairara (Yasawa). Slide WD_92_20 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, mainly clinopyroxene.


WD_92_21

Yasawa_YE1 Yasawa_YE1
Sherd YE-1 from Yasawairara (Yasawa). Slide WD_92_21 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, mainly clinopyroxene.


WD_95_11

Yasawa_7000_12 Yasawa_7000_12
Sherd 1991-7000-12 from Naviti (Naviti). Slide WD_95_11 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.

Oxyhornblende and hornblende fluvial temper.


WD_97_1

Yasawa_4000_32 Yasawa_4000_32
Sherd 1991-4000-32 from Naviti (Naviti). Slide WD_97_1 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.

Calcareous.


WD_95_9

Yasawa_NL5 Yasawa_NL5
Sherd NL5 from Nanuya Lailai (Nanuya Lailai). Slide WD_95_9 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.

Hornblende. Possibly local.


WD_97_21

Yasawa_NL_4 Yasawa_NL_4
Sherd NL4 from Nanuya Lailai (Nanuya Lailai). Slide WD_97_21 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 felsitic


References:

252 Yasawa, Mananuka, Fiji, 2006 (Dickinson, W.)