Site: Ulong Islet

Island: Chelbacheb


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
tpr50 0 2 3 1 0 4 0 0 0 0 0 3 0 3 felsitic, vitric, microlitic
Palau grog type B/C/D 0 2 3 1 0 4 0 0 0 0 0 3 0 1 Carolines
tpr51 5 0 3 2 1 2 0 0 0 0 0 3 0 0 microlitic, vitric
Palau hybrid type III 3 0 3 2 0 1 0 0 0 0 0 3 0 0 Carolines
tpr52 4 0 2 5 1 3 0 0 0 0 0 4 0 0 microlitic, vitric
Palau hybrid type IV 1 0 0 4 0 1 0 0 0 0 0 0 0 0 Carolines
tpr53 0 0 2 2 0 2 0 0 0 0 0 6 0 0 vitric, microlitic, felsitic
Palau lithic type V 0 0 2 2 0 0 0 0 0 0 0 6 0 0 Carolines
tpr54 0 0 4 3 0 1 0 0 0 0 0 3 0 2 vitric, microlitic
Palau grog type II 0 0 4 3 0 1 0 0 0 0 0 3 0 2 Carolines

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_12_11 tpr50 (Palau grog type B/C/D) Babeldoab (or nearby) 0 0 4 3 0 1 0 0 0 0 0 3 0 2 vitric, microlitic
WD_12_13 tpr51 (Palau hybrid type III) Babeldoab (or nearby) 4 0 3 2 0 2 0 0 0 0 0 3 0 0 microlitic, vitric
WD_12_14 tpr52 (Palau hybrid type IV) Babeldoab (or nearby) 1 0 2 4 0 1 0 0 0 0 0 4 0 0 microlitic, vitric
WD_12_19 tpr53 (Palau lithic type V) Babeldoab (or nearby) 0 0 2 2 0 2 0 0 0 0 0 6 0 0 vitric, microlitic, felsitic
WD_12_8 tpr54 (Palau grog type II) Babeldoab (or nearby) 0 0 0 0 0 0 0 0 0 0 0 0 0 6 na

WD_12_11

UL4 UL4
Sherd UL4 from Ulong Islet (Chelbacheb). Slide WD_12_11 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.

Mixtures of grog particles and terrigenous grains (terrigenous grains more abundant than grog particles). Grains either felsic or mafic. Vitric and microlitic lithics.


WD_12_13

UL6 UL6
Sherd UL6 from Ulong Islet (Chelbacheb). Slide WD_12_13 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.

Non-placered hybrid of terrigenous and calcareous sand grains.


WD_12_14

UL7 UL7
Sherd UL7 from Ulong Islet (Chelbacheb). Slide WD_12_14 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.

Placered hybrid of terrigenous and calcareous sand grains.


WD_12_19

UL12 UL12
Sherd UL12 from Ulong Islet (Chelbacheb). Slide WD_12_19 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.

Volcanic sand tempers, predominantly, polyminerallic volcanic rock fragments, with reddish vitric (glassy) groundmasses, but also some with microlitic and felsitic groundmass textures (all suitable for derivation from andesitic source rocks).


WD_12_8

UL1 UL1
Sherd UL1 from Ulong Islet (Chelbacheb). Slide WD_12_8 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.

Grog (composed of broken pottery).


References:

219 Ulong, Palau, 2002 (Dickinson, W.)