Site: Etapakengaroasa

Island: Emananus       Lithology: Composite high island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 2097716       Wikidata ID: Q49637595       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None


In:

New Ireland Province Wikidata ID: Q838690

St Matthias Islands Wikidata ID: Q1401458

Emananus Island Wikidata ID: Q49637595

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
tpr92 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
Mussau type A 6 0 0 0 0 0 0 0 0 0 0 0 0 0 Bismarck
tpr93 6 1 2 1 0 1 0 0 0 0 0 1 1 0 felsitic, vitric, chert
Mussau type B 6 1 1 0 0 0 0 0 0 0 0 0 0 0 Bismarck
tpr96 0 1 5 2 3 4 0 1 0 0 0 3 0 0 felsitic, vitric
Mussau type F 0 1 3 1 1 2 0 0 0 0 0 2 0 0 Bismarck
tpr97 4 1 4 5 3 5 0 1 0 0 0 3 0 0 felsitic, vitric
Mussau type G 0 0 1 2 0 1 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_36_7 tpr92 (Mussau type A) Mussau or Admiralty 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
WD_36_8 tpr92 (Mussau type A) Mussau or Admiralty 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
WD_36_24 tpr93 (Mussau type B) Admiralty 6 1 1 0 0 0 0 0 0 0 0 0 1 0 felsitic, vitric, chert
WD_39_6 tpr96 (Mussau type F) Manus or Lavongai 0 1 3 2 2 4 0 0 0 0 0 2 0 0 felsitic, vitric
WD_39_13 tpr97 (Mussau type G) Manus or Lavongai 0 0 2 5 3 3 0 0 0 0 0 3 0 0 felsitic, vitric

WD_36_7

EHB1_5_12 EHB1_5_12
Sherd EHB1-5-12 from Etapakengaroasa (Emananus). Slide WD_36_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.

Calcareous (Type A).


WD_36_8

EHB2_3_8 EHB2_3_8
Sherd EHB2-3-8 from Etapakengaroasa (Emananus). Slide WD_36_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 (Type A).


WD_36_24

EHB1_4_19 EHB1_4_19
Sherd EHB1-4-19 from Etapakengaroasa (Emananus). Slide WD_36_24 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 marginally hybrid (Type B).


WD_39_6

EHB1_3_15 EHB1_3_15
Sherd EHB1-3-15 from Etapakengaroasa (Emananus). Slide WD_39_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.

Pyroxene bearing hornblendic-feldspathic (Type F).


WD_39_13

EHB1_6_5 EHB1_6_5
Sherd EHB1-6-5 from Etapakengaroasa (Emananus). Slide WD_39_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.

Pyroxenic (Type G).


References:

Talepakemalai: Lapita and Its Transformations in the Mussau Islands of Near Oceania (Dickinson, W. & Kirch, P.)