Site: Lachitu

Island: New Guinea       Lithology: NA ( Nunn et al. (2016) )

Lithology and Age: Cenozoic sedimentary rocks ( Chorlton (2007) )       Macrostrat Geological Map Link

Near/In Geonames ID: 2089163       Wikidata ID: Q139648406       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None


In:

Sandaun (West Sepik) Province Wikidata ID: Q753689

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
tpr181 0 1 5 0 4 1 0 0 0 0 0 2 0 0 vitric, felsitic
Northcoast PNG hornblendic 0 1 5 0 3 1 0 0 0 0 0 2 0 0 PNG
tpr185 6 0 1 0 0 0 0 0 0 0 0 0 0 0 na
Northcoast PNG calcareous type C 6 0 1 0 0 0 0 0 0 0 0 0 0 0 PNG

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_80_18 tpr181 (Northcoast PNG hornblendic) unknown 0 1 5 0 3 1 0 0 0 0 0 2 0 0 vitric, felsitic
WD_80_16 tpr181 (Northcoast PNG hornblendic) unknown 0 0 5 0 4 1 0 0 0 0 0 2 0 0 vitric, felsitic
WD_81_6 tpr185 (Northcoast PNG calcareous type C) unknown 6 0 1 0 0 0 0 0 0 0 0 0 0 0 na

WD_80_18

RQ4_16 RQ4_16
Sherd RQ4-16 from Lachitu (New Guinea). Slide WD_80_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.

Hornblendic volcanic sand temper.


WD_80_16

RQ4_1 RQ4_1
Sherd RQ4-1 from Lachitu (New Guinea). Slide WD_80_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.

Hornblendic volcanic sand temper.


WD_81_6

RQA111_5 RQA111_5
Sherd RQA111-5 from Lachitu (New Guinea). Slide WD_81_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.

Well sorted and rounded calcareous sand temper composed of modern reef detritus.


References:

279 Watinglo, Lachitu, PNG, 2009 (Dickinson, W.)