Site: Sasoa’a

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

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

Near/In Geonames ID: 4035074 Wikidata ID: None Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None

In:

Samoa Wikidata ID: Q683

Upolu Wikidata ID: Q274569

Samoan Islands Wikidata ID: Q162126

Volcanoes:

Upolu: Basalt / Picro-Basalt, Shield type, Shield.

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.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics/ Region
tpr295	0	0	1	5	0	3	4	0	0	0	0	6	0	0	lathwork, vitric
Samoan ferromagnesian beach	0	0	0	3	0	1	2	0	0	0	0	3	0	0	Samoa
tpr290b	0	0	5	2	0	2	0	0	0	0	0	6	0	0	lathwork, vitric
Samoan crushed lathwork lithic	0	0	3	0	0	1	0	0	0	0	0	4	0	0	Samoa
tpr293b	1	0	2	1	2	0	1	0	0	0	0	6	0	0	microlitic, lathwork, vitric
Samoan microlitic trachytic	0	0	0	0	0	0	0	0	0	0	0	5	0	0	Samoa

Slides:

Slide	Fabric	Possible Origin	Ware	Cal.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics
FL_1_51	tpr290b (Samoan crushed lathwork lithic)	Upolu	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	3	0	0	1	0	0	0	0	0	4	0	0	lathwork, vitric
FL_1_50	tpr290b (Samoan crushed lathwork lithic)	Upolu	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	3	1	0	1	0	0	0	0	0	5	0	0	lathwork, vitric
FL_1_29	tpr290b (Samoan crushed lathwork lithic)	Upolu	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	3	1	0	1	0	0	0	0	0	6	0	0	lathwork, vitric
FL_1_26	tpr290b (Samoan crushed lathwork lithic)	Upolu	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	3	1	0	1	0	0	0	0	0	6	0	0	lathwork, vitric
FL_1_27	tpr295 (Samoan ferromagnesian beach)	Upolu	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	0	3	0	2	2	0	0	0	0	5	0	0	lathwork, vitric
WD_25_8	tpr293b (Samoan microlitic trachytic)	Samoa	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	1	0	0	0	0	0	0	0	0	6	0	0	microlitic, lathwork
WD_23_21	tpr295 (Samoan ferromagnesian beach)	Samoa	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	1	4	0	2	3	0	0	0	0	3	0	0	lathwork
WD_23_22	tpr295 (Samoan ferromagnesian beach)	Samoa	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	0	3	0	3	4	0	0	0	0	3	0	0	lathwork, microlitic
WD_22_10	tpr290b (Samoan crushed lathwork lithic)	Samoa	Samoa Polynesian Plainware (2500 - 1700 BP)	0	0	3	0	0	1	0	0	0	0	0	6	0	0	microlitic, lathwork

FL_1_51

Sasoaa_435 — Sherd AH-435 from Sasoa’a (Upolu). Slide FL_1_51 from Leach Collection, Auckland University. 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.

Sasoaa_435 — Sherd AH-435 from Sasoa’a (Upolu). Slide FL_1_51 from Leach Collection, Auckland University. 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.

Thick coares sherd. Basaltic.

FL_1_50

Sasoaa_464 — Sherd AH-464 from Sasoa’a (Upolu). Slide FL_1_50 from Leach Collection, Auckland University. 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.

Sasoaa_464 — Sherd AH-464 from Sasoa’a (Upolu). Slide FL_1_50 from Leach Collection, Auckland University. 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.

Basaltic.

FL_1_29

Sasoaa_399 — Sherd AH-399 from Sasoa’a (Upolu). Slide FL_1_29 from Leach Collection, Auckland University. 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.

Sasoaa_399 — Sherd AH-399 from Sasoa’a (Upolu). Slide FL_1_29 from Leach Collection, Auckland University. 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.

Thin fine sherd. Basaltic.

FL_1_26

Sasoaa_391 — Sherd AH-391 from Sasoa’a (Upolu). Slide FL_1_26 from Leach Collection, Auckland University. 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.

Sasoaa_391 — Sherd AH-391 from Sasoa’a (Upolu). Slide FL_1_26 from Leach Collection, Auckland University. 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.

Thin fine sherd. Basaltic.

FL_1_27

Sasoaa_421 — Sherd AH-421 from Sasoa’a (Upolu). Slide FL_1_27 from Leach Collection, Auckland University. 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.

Sasoaa_421 — Sherd AH-421 from Sasoa’a (Upolu). Slide FL_1_27 from Leach Collection, Auckland University. 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.

Crystal.

WD_25_8

Sasoaa_25_4 — Sherd 25-4 from Sasoa’a (Upolu). Slide WD_25_8 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.

Sasoaa_25_4 — Sherd 25-4 from Sasoa’a (Upolu). Slide WD_25_8 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.

Trachytic.

WD_23_21

Sasoaa_25_8 — Sherd 25-8 from Sasoa’a (Upolu). Slide WD_23_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.

Sasoaa_25_8 — Sherd 25-8 from Sasoa’a (Upolu). Slide WD_23_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.

Ferromagnetic.

WD_23_22

Sasoaa_25_10 — Sherd 25-10 from Sasoa’a (Upolu). Slide WD_23_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.

Sasoaa_25_10 — Sherd 25-10 from Sasoa’a (Upolu). Slide WD_23_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.

Ferromagnetic.

WD_22_10

Sasoaa_25_1 — Sherd 25-1 from Sasoa’a (Upolu). Slide WD_22_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.

Sasoaa_25_1 — Sherd 25-1 from Sasoa’a (Upolu). Slide WD_22_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.

Crushed rock.

References: