Site: Feru Rockshelter

Island: Santa Ana       Lithology: Limestone high island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 2178512       Wikidata ID: None       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None


In:

Santa Ana Island Wikidata ID: Q2042567

Makira-Ulawa Province Wikidata ID: Q1116700

Solomon Islands Wikidata ID: Q685

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
tpr158 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
Santa Ana calcareous 6 0 0 0 0 0 0 0 0 0 0 0 0 0 Solomons
tpr159 0 0 3 4 0 1 1 0 0 0 0 3 0 0 na
Santa Ana placer volcanic sand 0 0 3 4 0 1 0 0 0 0 0 3 0 0 Solomons
tpr160 6 0 2 2 0 1 0 0 0 0 0 2 0 0 na
Santa Ana hybrid 6 0 2 2 0 1 0 0 0 0 0 2 0 0 Solomons

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_38_24 tpr158 (Santa Ana calcareous) Makira 6 0 0 0 0 0 0 0 0 0 0 0 0 0 na
WD_38_25 tpr159 (Santa Ana placer volcanic sand) Makira 0 0 3 4 0 1 0 0 0 0 0 3 0 0 na
WD_38_22 tpr160 (Santa Ana hybrid) Makira 6 0 2 2 0 1 0 0 0 0 0 2 0 0 na

WD_38_24

Feru_SantaAna_S2 Feru_SantaAna_S2
Sherd S2 from Feru Rockshelter (Santa Ana). Slide WD_38_24 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.

Rounded to subrounded calcareous sands.


WD_38_25

Feru_SantaAna_S3 Feru_SantaAna_S3
Sherd S3 from Feru Rockshelter (Santa Ana). Slide WD_38_25 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.

Subangular to subrounded but well sorted volcanic sand.


WD_38_22

Feru_SantaAna_S1 Feru_SantaAna_S1
Sherd S1 from Feru Rockshelter (Santa Ana). Slide WD_38_22 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.

Mixed calcareous and silicate sand of probable coastal origin.


References:

068 SE Solomon 1977 (Dickinson, W.)