Site: Manus

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

Lithology and Age: Cenozoic volcanic and intrusive rocks. Mafic-felsic mixed volcanic rocks ( Chorlton (2007) )       Macrostrat Geological Map Link

Near/In Geonames ID: 2091496       Wikidata ID: Q602106       Getty Thesaurus of Geographic Names ID: 7002094

Mindat Loc ID: 206302


In:

Manus Province Wikidata ID: Q874935

Admiralty Islands Wikidata ID: Q119230

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
tpr191 0 0 4 4 4 2 0 0 0 0 0 3 0 0 microlitic, vitric
Manus andesitic 0 0 3 3 1 1 0 0 0 0 0 1 0 0 Bismarck
tpr191a 1 0 2 4 2 4 0 0 0 0 0 1 0 0 microlitic, vitric
Manus andesitic placer 0 0 2 4 2 4 0 0 0 0 0 1 0 0 Bismarck

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_41_7 tpr191 (Manus andesitic) Manus Admiralty Historical (800 - 0 BP) 0 0 4 3 4 1 0 0 0 0 0 1 0 0 vitric, microlitic
WD_41_4 tpr191 (Manus andesitic) Manus Admiralty Transitional (2300 - 1900 BP) 0 0 4 3 4 1 0 0 0 0 0 1 0 0 vitric, microlitic
WD_41_5 tpr191 (Manus andesitic) Manus Admiralty Post-Lapita (1800 - 800 BP) 0 0 3 3 1 2 0 0 0 0 0 3 0 0 vitric, microlitic
WD_41_6 tpr191a (Manus andesitic placer) Manus Admiralty Historical (800 - 0 BP) 0 0 2 4 2 4 0 0 0 0 0 1 0 0 vitric, microlitic

WD_41_7

GDE59_4 GDE59_4
Sherd GDE59-4 from Manus (Manus). Slide WD_41_7 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.

Quartz-free andesitic temper sand. Stream sand present. Pyroxene < Hornblende.


WD_41_4

Kohin_Cave59_1 Kohin_Cave59_1
Sherd 59-1 from Manus (Manus). Slide WD_41_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.

Quartz-free andesitic temper sand. Stream sand present. Pyroxene < Hornblende.


WD_41_5

GAO59_2 GAO59_2
Sherd GAO59-2 from Manus (Manus). Slide WD_41_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.

Quartz-free andesitic temper sand. Stream sand present. Pyroxene > Hornblende.


WD_41_6

GDB59_3 GDB59_3
Sherd GDB59-3 from Manus (Manus). Slide WD_41_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.

Quartz-free andesitic temper sand. Coastal placer sand present. Pyroxene > Hornblende.


References:

145 Manus, Admiralty, PNG, 1997 (Dickinson, W.)

150 Mussau, Manus, New Hanover, New Ireland, PNG, 1997 (Dickinson, W.)