Site: Ontong Java atoll

Island: Ontong Java atoll       Lithology: Reef island ( Nunn et al. (2016) )

Lithology: Reef ( Dickinson (2006) )

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

Near/In Geonames ID: 2104653       Wikidata ID: Q49668563       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None


In:

Malaita Province Wikidata ID: Q1190896

Solomon Islands Wikidata ID: Q685

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
tpr127 0 1 4 2 2 2 0 2 0 0 0 5 0 0 microphaneritic, microlitic
Buka microgranular 0 0 3 1 1 1 0 0 0 0 0 4 0 0 Solomons
tpr128 0 1 6 4 1 2 1 1 0 0 0 3 0 0 microphaneritic, microlitic
Buka plagioclase pyroxene 0 0 4 2 0 1 0 0 0 0 0 2 0 0 Solomons
tpr275 0 6 1 1 0 2 0 0 0 0 0 0 0 0 na
Ontong quartzose 0 6 0 0 0 2 0 0 0 0 0 0 0 0 Solomons
tpr276 0 3 4 1 1 0 0 0 0 0 0 4 0 0 plutonite
Ontong quartzo-feldspathic 0 3 4 1 1 0 0 0 0 0 0 4 0 0 Solomons

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_101_6 tpr127 (Buka microgranular) Buka 0 0 4 2 1 2 0 0 0 0 0 4 0 0 microphaneritic, microlitic
WD_101_7 tpr127 (Buka microgranular) Buka 0 0 3 2 1 2 0 0 0 0 0 5 0 0 microphaneritic
WD_35_19 tpr127 (Buka microgranular) Buka 0 0 4 2 1 2 0 0 0 0 0 4 0 0 microphaneritic
WD_35_20 tpr127 (Buka microgranular) Buka 0 0 3 2 1 2 0 0 0 0 0 5 0 0 microphaneritic
WD_35_18 tpr128 (Buka plagioclase pyroxene) Buka 0 0 5 4 0 1 0 1 0 0 0 3 0 0 microphaneritic
WD_101_8 tpr275 (Ontong quartzose) Unknown 0 6 1 1 0 2 0 0 0 0 0 0 0 0 na
WD_101_9 tpr276 (Ontong quartzo-feldspathic) Unknown 0 3 4 1 1 0 0 0 0 0 0 4 0 0 plutonite

WD_101_6

ontong4 ontong4
Sherd 4 from Ontong Java atoll (Ontong Java atoll). Slide WD_101_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.

Microgranular temper. May not be from Buka- has different hornblende:pyroxene ratio.


WD_101_7

ontong6 ontong6
Sherd 6 from Ontong Java atoll (Ontong Java atoll). Slide WD_101_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.

Microgranular temper. May not be from Buka- has different hornblende:pyroxene ratio.


WD_35_19

Bukaware_Pelau55_7 Bukaware_Pelau55_7
Sherd 55-7 from Ontong Java atoll (Ontong Java atoll). Slide WD_35_19 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.

Microgranular temper. May not be from Buka- has different hornblende:pyroxene ratio.


WD_35_20

Bukaware_Pelau55_8 Bukaware_Pelau55_8
Sherd 55-8 from Ontong Java atoll (Ontong Java atoll). Slide WD_35_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.

Microgranular temper. May not be from Buka- has different hornblende:pyroxene ratio.


WD_35_18

Bukaware_Pelau55_6 Bukaware_Pelau55_6
Sherd 55-6 from Ontong Java atoll (Ontong Java atoll). Slide WD_35_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.

Plagioclase and lesser clinopyroxene dominant.


WD_101_8

ontong3 ontong3
Sherd 3 from Ontong Java atoll (Ontong Java atoll). Slide WD_101_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.

Quartzose temper.


WD_101_9

ontong051 ontong051
Sherd 51 from Ontong Java atoll (Ontong Java atoll). Slide WD_101_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.

Quartzo-feldspathic temper.


References:

153 Bougainville, Buka, Nissan, Ontong Java, Shortland, Solomon, 1997 (Dickinson, W.)

051 Ontong Java atoll, Solomon 1973 (Dickinson, W.)

125 Ontong Java atoll, Solomon, 1996 (Dickinson, W.)