Site: Boeng islet

Island: Tanga       Lithology: Volcanic high island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 2086161       Wikidata ID: Q4931253       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: 344335


In:

New Ireland Province Wikidata ID: Q838690

Tanga Group Wikidata ID: Q1401361

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
tpr313 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
Tanga calcareous 6 0 0 0 0 0 0 0 0 0 0 0 0 0 Bismarck
tpr314 0 0 0 0 0 0 0 0 0 0 0 6 0 0 plutonite
Tanga crushed rock 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Bismarck
tpr315 0 0 6 3 0 2 0 2 0 0 0 2 0 0 vitric
Tanga feldspathic pyroxenic mica 0 0 5 2 0 1 0 1 0 0 0 1 0 0 Bismarck
tpr316 0 0 6 3 0 2 0 0 0 0 0 2 0 0 vitric
Tanga feldspathic pyroxenic 0 0 5 1 0 2 0 0 0 0 0 1 0 0 Bismarck
tpr317 0 0 2 6 0 3 1 1 0 0 0 1 0 0 lathwork, microlitic
Tanga pyroxene placer 0 0 1 5 0 2 0 0 0 0 0 1 0 0 Bismarck
tpr318 2 0 2 5 1 6 1 1 0 0 0 3 0 0 lathwork, microlitic
Tanga pyroxene opaque placer 0 0 1 3 0 4 0 0 0 0 0 1 0 0 Bismarck

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_33_1 tpr313 (Tanga calcareous) Tanga 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
WD_33_2 tpr314 (Tanga crushed rock) Tanga not Boeng 0 0 0 0 0 0 0 0 0 0 0 6 0 0 plutonite
WD_33_13 tpr315 (Tanga feldspathic pyroxenic mica) Tanga not Boeng 0 0 6 2 0 1 0 1 0 0 0 1 0 0 vitric
WD_33_16 tpr315 (Tanga feldspathic pyroxenic mica) Tanga not Boeng 0 0 6 3 0 2 0 1 0 0 0 1 0 0 vitric
WD_33_4 tpr316 (Tanga feldspathic pyroxenic) Tanga not Boeng 0 0 5 3 0 2 0 0 0 0 0 1 0 0 vitric
WD_30_7 tpr318 (Tanga pyroxene opaque placer) Tanga not Boeng 0 0 1 5 0 4 0 0 0 0 0 1 0 0 lathwork, microlitic
WD_30_2 tpr317 (Tanga pyroxene placer) Tanga not Boeng 0 0 1 6 0 3 0 0 0 0 0 1 0 0 lathwork, microlitic

WD_33_1

Boeng_EUV10 Boeng_EUV10
Sherd EUV10 from Boeng islet (Tanga). Slide WD_33_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.

Exclusively calcareous temper sand. From reef. From Lifafaesing.


WD_33_2

Boeng_EUX1 Boeng_EUX1
Sherd EUX1 from Boeng islet (Tanga). Slide WD_33_2 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.

Sherd from Matambek. Exceptionally angular sand-sized gabbro fragments as sand temper.


WD_33_13

Boeng_EUV12 Boeng_EUV12
Sherd EUV12 from Boeng islet (Tanga). Slide WD_33_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.

Lifafaesing site. Feldspathic temper sand that contains abundant clinopyroxene and sparse mica.


WD_33_16

Boeng_EUX12 Boeng_EUX12
Sherd EUX12 from Boeng islet (Tanga). Slide WD_33_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.

Matambek site. Feldspathic temper sand that contains abundant clinopyroxene and sparse mica.


WD_33_4

Boeng_EUX17 Boeng_EUX17
Sherd EUX17 from Boeng islet (Tanga). Slide WD_33_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.

Matambek site. Feldspathic temper sand that contains abundant clinopyroxene no biotite.


WD_30_7

Boeng_ERP2 Boeng_ERP2
Sherd ERP2 from Boeng islet (Tanga). Slide WD_30_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.

Matampul. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_2

Boeng_EUV6 Boeng_EUV6
Sherd EUV6 from Boeng islet (Tanga). Slide WD_30_2 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.

Lifafaesing. Pyroxene-rich ferromagnesian placer sand temper.


References:

239 Tanga, PNG, 2004 (Dickinson, W.)