Fabric Code: tpr473

Gulf sedimentary-volcanic

Siliceous to cherty (spiculitic and radiolarian) sedimentary lithics, which were probably clay inclusions. May be derived from Port Moresby Beds.

Fabric Class:

Quartzose-Feldspathic Lithic: Dominated by quartz and feldspar inclusions, with igneous and/or sedimentary lithics.

Sites:

Mineral and Rock Abundances

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
Max 2 3 4 2 0 0 0 0 0 0 0 2 4 0 siltstone, chert, microlitic, lathwork
Min 0 3 2 1 0 0 0 0 0 0 0 2 3 0 PNG

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
KM_1_13 Kikiniu (New Guinea) South Coast PNG 2 3 2 1 0 0 0 0 0 0 0 2 4 0 siltstone, chert, microlitic
KM_1_16 Kikiniu (New Guinea) PNG South Coast 0 3 4 2 0 0 0 0 0 0 0 2 3 0 siltstone, chert, lathwork

KM_1_13

BXU19i_5_a BXU19i_5_a
Sherd BXU19i_5 from Kikiniu (New Guinea). Slide KM_1_13 from K Marsaglia & B David. 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.

May be derived from Port Moresby Beds.


KM_1_16

BXU19i_10 BXU19i_10
Sherd BXU19i-10 from Kikiniu (New Guinea). Slide KM_1_16 from K Marsaglia & B David. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

May be derived from Port Moresby Beds.


References:

Petrographic analyses of sand temper/inclusions in ceramics of Kikiniu, Kikori River and modern sand (Marsaglia, KM, Kramer, KG, David, B. Shelly, RJ.)