Site: Tumleo

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

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

Near/In Geonames ID: 2085014       Wikidata ID: Q104991208       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
tpr89 0 3 4 1 1 0 0 0 0 1 0 4 2 0 microphaneritic, microlitic, felsitic
Northcoast PNG type E 0 2 3 0 1 0 0 0 0 0 0 3 1 0 PNG
tpr90 3 2 2 1 1 0 0 0 0 0 0 4 2 0 microphaneritic, microlitic, felsitic
Northcoast PNG type F 1 1 2 1 1 0 0 0 0 0 0 4 1 0 PNG
tpr91 0 2 4 3 2 3 0 0 0 3 0 4 3 0 microphaneritic, microlitic, felsitic
Northcoast PNG type G 0 1 2 1 1 1 0 0 0 1 0 2 1 0 PNG

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_29_4 tpr89 (Northcoast PNG type E) Aitape coast 0 3 3 1 1 0 0 0 0 0 0 3 2 0 microphaneritic, microlitic, felsitic
WD_28_25 tpr90 (Northcoast PNG type F) Aitape coast 3 1 3 1 1 0 0 0 0 0 0 4 2 0 microphaneritic, microlitic, felsitic
WD_29_14 tpr91 (Northcoast PNG type G) Aitape coast 0 1 3 2 2 1 0 0 0 1 0 3 2 0 microphaneritic, microlitic, felsitic

WD_29_4

Tumelo177_1 Tumelo177_1
Sherd 177-1 from Tumleo (Tumleo). Slide WD_29_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.

Type E. Abundant natural temper.


WD_28_25

Tumelo177_2 Tumelo177_2
Sherd 177-2 from Tumleo (Tumleo). Slide WD_28_25 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.

Type F. Abundant natural temper with sparse lithic fragments apparently added manually.


WD_29_14

Tumelo46_1A_41 Tumelo46_1A_41
Sherd 46-1A-41 from Tumleo (Tumleo). Slide WD_29_14 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.

Abundant well sorted and partially placered temper, manually added and typically pyroxene-rich (Type G). Clinopyroxene dominant, but minor orthopyroxene


References:

151 North Coast PNG, 1997 (superseded by 167) (Dickinson, W.)

167 sands, tempers, NW coast PNG, 2001 (Dickinson, W.)