Louisiade Archipelago

Wikidata ID: Q1127200

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

Geonames ID: 2133000       Getty Thesaurus of Geographic Names ID: 1010115

Mindat Loc ID: 256922

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Many fabrics have a range of abundances. The range maximum (top) and minimum (bottom) are shown.

** Has full slide image available.

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
tpr186 ** 0 4 4 0 3 0 0 0 0 0 0 1 0 0 microphaneritic
Muyua/Woodlark quartzose-feldspathic 0 4 4 0 2 0 0 0 0 0 0 0 0 0 PNG
tpr447 0 4 4 1 3 0 0 3 3 0 1 4 0 0 metavolcanic, plutonio
DEntrecasteaux quartzose feldspathic 0 3 3 1 2 0 0 2 2 0 1 3 0 0 PNG
tpr448 0 0 6 4 0 0 0 0 0 0 0 4 0 0 microlitic
Louisiade feldspathic 0 0 5 2 0 0 0 0 0 0 0 2 0 0 PNG
tpr449 0 4 4 0 1 0 0 0 0 0 0 6 0 0 felsitic
Exotic Louisiade felsitic 0 2 2 0 1 0 0 0 0 0 0 5 0 0 PNG
tpr450 0 3 4 2 0 2 0 0 0 0 0 4 0 0 plutonite, microphaneritic, vitric, microlitic
Louisiade quartzose feldspathic 0 3 4 1 0 1 0 0 0 0 0 4 0 0 PNG
tpr451 0 6 3 1 0 1 0 0 0 0 0 0 0 0 na
Louisiade quartzose feldspathic sparse 0 5 0 0 0 0 0 0 0 0 0 0 0 0 PNG
tpr453 0 0 2 2 0 3 0 0 0 0 0 3 2 0 vitric, microlitic, lathwork, argillitic
Louisiade feldspathic lithic sparse 0 0 2 1 0 2 0 0 0 0 0 2 1 0 PNG
tpr455 0 2 0 5 0 1 0 0 0 0 0 4 0 0 plutonite
Louisiade mafic lithic 0 1 0 4 0 0 0 0 0 0 0 1 0 0 PNG
tpr456 0 0 0 6 0 0 0 0 0 0 0 1 0 0 microlitic
Louisiade ferromagnesian placer 0 0 0 6 0 0 0 0 0 0 0 1 0 0 PNG
tpr454 0 0 0 0 0 5 0 0 0 0 0 5 5 0 argillitic, chert, microlitic
Louisiade lithic sparse 0 0 0 0 0 4 0 0 0 0 0 0 0 0 PNG
tpr457 0 0 5 5 0 0 0 0 0 0 0 0 0 0 na
Louisiade feldspathic ferromagnesian 0 0 4 4 0 0 0 0 0 0 0 0 0 0 PNG
tpr452 0 0 2 2 0 2 0 0 0 0 0 3 2 0 vitric, lathwork, microlitic, argillitic, chert
Louisiade feldspathic lithic 0 0 2 2 0 1 0 0 0 0 0 2 1 0 PNG
tpr446 0 0 5 0 2 0 0 2 0 0 0 3 0 0 vitric, felsitic
Wangiela feldspathic 0 0 5 0 2 0 0 1 0 0 0 3 0 0 PNG

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_41_2 tpr186 (Muyua/Woodlark quartzose-feldspathic) Muyua 0 4 4 0 3 0 0 1 0 0 0 1 0 0 microphaneritic
WD_41_3 tpr186 (Muyua/Woodlark quartzose-feldspathic) Muyua 0 4 4 0 3 0 0 1 0 0 0 1 0 0 microphaneritic

WD_41_2

Muyua63_2 Muyua63_2
Sherd 63-2 from Muyua (Muyua). Slide WD_41_2 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.

Moderately sorted, fine- to medium-grained, subangular to subrounded quartzo-feldspathic temper sands in which both kinds of feldspar and microphaneritic igneous rock fragments are prominent.


WD_41_3

Muyua Muyua
Sherd Muyua from Muyua (Muyua). Slide WD_41_3 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.

Moderately sorted, fine- to medium-grained, subangular to subrounded quartzo-feldspathic temper sands in which both kinds of feldspar and microphaneritic igneous rock fragments are prominent.


References:

154 Solomon Sea, PNG 1997 (Dickinson, W.)