Malakula Island

Wikidata ID: Q618594

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

Geonames ID: 2136122       Getty Thesaurus of Geographic Names ID: 1007993

Mindat Loc ID: None

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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
tpr250 0 0 3 1 1 2 0 0 0 0 0 6 0 0 felsitic, microlitic, vitric
Malakula pyribole-poor 0 0 2 0 0 1 0 0 0 0 0 6 0 0 Vanuatu
tpr252 0 0 3 0 3 2 0 0 0 0 0 6 0 0 felsitic, microlitic, vitric
Malakula hornblendic 0 0 3 0 2 2 0 0 0 0 0 4 0 0 Vanuatu
tpr254 ** 0 0 3 0 1 2 0 0 0 0 0 5 0 0 microphaneritic, felsitic, microlitic, vitric
Malakula microdioritic 0 0 3 0 1 2 0 0 0 0 0 5 0 0 Vanuatu
tpr249 ** 4 0 4 3 1 2 0 0 0 0 0 4 0 0 limeclast, microlitic, felsitic, vitric, microphaneritic
Malakula limeclast hybrid 3 0 1 1 0 1 0 0 0 0 0 3 0 0 Vanuatu
tpr251 0 0 3 3 2 3 0 0 0 0 0 5 0 0 felsitic, microlitic, vitric, microphaneritic
Malakula pyroxenic lithic 0 0 3 2 1 1 0 0 0 0 0 5 0 0 Vanuatu
tpr253 0 0 3 4 2 2 0 0 0 0 0 4 0 0 felsitic, microlitic, vitric
Malakula pyribole-rich 0 0 3 4 2 2 0 0 0 0 0 4 0 0 Vanuatu

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_49_10 tpr250 (Malakula pyribole-poor) Malakula 0 0 3 0 1 2 0 0 0 0 0 6 0 0 felsitic
WD_49_3 tpr250 (Malakula pyribole-poor) Malakula 0 0 3 0 0 1 0 0 0 0 0 6 0 0 felsitic, microlitic
WD_49_19 tpr252 (Malakula hornblendic) Malakula 0 0 3 0 3 2 0 0 0 0 0 5 0 0 felsitic
WD_49_22 tpr254 (Malakula microdioritic) Malakula 0 0 3 0 1 2 0 0 0 0 0 5 0 0 microphaneritic, felsitic
WD_58_24 tpr249 (Malakula limeclast hybrid) Malakula 3 0 3 3 0 2 0 0 0 0 0 4 0 0 limeclast, microlitic, felsitic, vitric, microphaneritic
WD_49_4 tpr250 (Malakula pyribole-poor) Malakula 0 0 3 0 0 2 0 0 0 0 0 6 0 0 felsitic, microlitic
WD_49_7 tpr250 (Malakula pyribole-poor) Malakula 0 0 2 0 0 2 0 0 0 0 0 6 0 0 felsitic
WD_49_6 tpr251 (Malakula pyroxenic lithic) Malakula 0 0 3 2 1 2 0 0 0 0 0 5 0 0 felsitic
WD_49_21 tpr253 (Malakula pyribole-rich) Malakula 0 0 3 4 2 2 0 0 0 0 0 4 0 0 felsitic, microlitic

WD_49_10

Tuato12_6 Tuato12_6
Sherd 12-6 from Malakula (Malakula). Slide WD_49_10 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.

Lithic, primarily felsitic.


WD_49_3

Bethel12_5 Bethel12_5
Sherd 12-5 from Malakula (Malakula). Slide WD_49_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.

Felsitic, microlitic lithic.


WD_49_19

Litzlitz Litzlitz
Sherd litz from Malakula (Malakula). Slide WD_49_19 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, has mainly felsite.


WD_49_22

PortStanley12_4 PortStanley12_4
Sherd 12-4 from Malakula (Malakula). Slide WD_49_22 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.

With microdiorite.


WD_58_24

MalakulaNHM47 MalakulaNHM47
Sherd NHM47 from Malakula (Malakula). Slide WD_58_24 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.

Hybrid with limeclast calcareous and feldspar, microlitic and felsitic rock volcanic sands. Older sherd.


WD_49_4

Amok635 Amok635
Sherd 635 from Amok (Malakula). Slide WD_49_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.

Lithic, pyribole poor.


WD_49_7

Lakatoro12_2 Lakatoro12_2
Sherd 12-2 from Lakatoro (Malakula). Slide WD_49_7 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.

Lithic, mainly felsitic.


WD_49_6

Lakatoro633X Lakatoro633X
Sherd 633x from Lakatoro (Malakula). Slide WD_49_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.

Pyroxenic and lithic.


WD_49_21

Lakatoro633 Lakatoro633
Sherd 633 from Lakatoro (Malakula). Slide WD_49_21 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.

Pyroxenes, felsitic and microlitic.


References:

117 Vanuatu Report (Dickinson, W.)

180 Malakula, Vanuatu, 1999 (Dickinson, W.)

228 Vao Tempers, 2003 (Dickinson, W.)

155 Malakula, Vanuatu, 1997 (Dickinson, W.)