Site: Epi

Island: Epi       Lithology: Volcanic high island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 2137088       Wikidata ID: Q287248       Getty Thesaurus of Geographic Names ID: 7002053

Mindat Loc ID: None


In:

Shefa Province Wikidata ID: Q650617

Vanuatu Wikidata ID: Q686


Volcanoes:

East Epi: Basalt / Picro-Basalt, Cluster type, Stratovolcano(es).

Kuwae: Basalt / Picro-Basalt, Caldera type, Caldera.

Pomare: , Composite type, Stratovolcano.

Tavani Ruro: , Composite type, Stratovolcano.

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
tpr255 0 0 4 3 0 2 0 0 0 0 0 4 0 0 microlitic, vitric
Epi mafic lithic 0 0 4 2 0 1 0 0 0 0 0 4 0 0 Vanuatu
tpr239 0 0 5 2 0 3 0 0 0 0 0 4 0 0 vitric, felsitic, microlitic
Shepherd feldspathic 0 0 4 1 0 1 0 0 0 0 0 3 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_48_17 tpr255 (Epi mafic lithic) Epi 0 0 4 2 0 1 0 0 0 0 0 4 0 0 microlitic
WD_48_16 tpr255 (Epi mafic lithic) Epi 0 0 4 3 0 2 0 0 0 0 0 4 0 0 microlitic, vitric
WD_48_19 tpr239 (Shepherd feldspathic) Shepherd Islands 0 0 5 1 0 1 0 0 0 0 0 4 0 0 vitric

WD_48_17

EpiEP10 EpiEP10
Sherd EP10 from Epi (Epi). Slide WD_48_17 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.

Rock fragments are mafic, with less felsic.


WD_48_16

EpiEP9 EpiEP9
Sherd EP9 from Epi (Epi). Slide WD_48_16 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.

Rock fragments are mafic, with less felsic.


WD_48_19

EpiEP12 EpiEP12
Sherd EP12 from Epi (Epi). Slide WD_48_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.

Pale (felsic) vitric, may be from Efate.


References:

255 Vanuatu, 2006 (Dickinson, W.)