Fabric Code: tpr291

Samoan lithic

Contains sherds with a range of olivine to pyroxene ratios. Some sherds, hybrid calcareous with reef debris and basaltic rock sands.

Sites:

Mineral and Rock Abundances

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
Max 3 0 2 3 1 3 3 1 0 0 0 6 0 0 lathwork, vitric
Min 0 0 0 1 0 0 1 0 0 0 0 4 0 0 Samoa

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
FP_1_11 Mulifanua (Upolu) Upolu 0 0 0 1 0 0 1 0 0 0 0 6 0 0 microlitic, lathwork
FP_1_12 Mulifanua (Upolu) Upolu 0 0 1 1 0 0 1 0 0 0 0 6 0 0 microlitic, lathwork
FP_1_1 Mulifanua (Upolu) Upolu 3 0 0 2 0 0 3 0 0 0 0 4 0 0 lathwork
FP_1_4 Mulifanua (Upolu) Upolu 3 0 0 2 0 0 2 0 0 0 0 5 0 0 lathwork, vitric
FP_1_5 Mulifanua (Upolu) Upolu 0 0 0 2 1 0 1 0 0 0 0 6 0 0 lathwork, vitric
FP_1_9 Mulifanua (Upolu) Upolu 0 0 0 1 0 0 3 0 0 0 0 5 0 0 lathwork
FP_1_10 Mulifanua (Upolu) Upolu 0 0 0 2 0 0 1 0 0 0 0 6 0 0 Lathwork
FP_1_18 Mulifanua (Upolu) Upolu 0 0 0 2 0 0 2 1 0 0 0 6 0 0 lathwork, vitric
WD_24_1 To'aga (Ofu) Samoa 0 0 0 1 0 2 2 0 0 0 0 6 0 0 lathwork, microlitic
WD_24_13 To'aga (Ofu) Samoa 3 0 1 3 0 1 3 0 0 0 0 4 0 0 lathwork, microlitic

FP_1_11

Mulifanna_27v732 Mulifanna_27v732
Sherd 27-732 from Mulifanua (Upolu). Slide FP_1_11 from Petchey 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.

Coarse fabric, oxidised. May also contain trachyitic lithics (feldspathic basalts).


FP_1_12

Mulifanna_29v187 Mulifanna_29v187
Sherd 29-187 from Mulifanua (Upolu). Slide FP_1_12 from Petchey Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Coarse temper. May also contain trachyitic lithics (feldspathic basalts). Trachytic feldspathic basalt probably derive from Fagaloa Volcanics.


FP_1_1

Mulifanna_20v82 Mulifanna_20v82
Sherd 20-82 from Mulifanua (Upolu). Slide FP_1_1 from Petchey Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Picritic basalt. High olivine to pyroxene ratio. Reduced sherd.


FP_1_4

Mulifanna_22v46 Mulifanna_22v46
Sherd 22-46 from Mulifanua (Upolu). Slide FP_1_4 from Petchey 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.

Decorated sherd. Oxidised. Olivine is altered to iddingsite. Less olivine than pyroxene. Picritic basalt fragments with reddish glass. Tuff.


FP_1_5

Mulifanna_23v17 Mulifanna_23v17
Sherd 23-17 from Mulifanua (Upolu). Slide FP_1_5 from Petchey 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.

Oxidised sherd. Picritiic and vitric basalt fragments. Reddish glass. Olivines altered to iddingsite.


FP_1_9

Mulifanna_23v360 Mulifanna_23v360
Sherd 23-360 from Mulifanua (Upolu). Slide FP_1_9 from Petchey 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.

Reduced. High olivine to pyroxene ratio. Picritic basalts with reddish glass.


FP_1_10

Mulifanna_25v293 Mulifanna_25v293
Sherd 25-293 from Mulifanua (Upolu). Slide FP_1_10 from Petchey Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Reduced. Low olivine to pyroxene ratio.


FP_1_18

Mulifanna_32v333 Mulifanna_32v333
Sherd 32-333 from Mulifanua (Upolu). Slide FP_1_18 from Petchey 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.

Reduced core. Altered olivine. Reddish vitrics. Tuff. Picritic basalts.


WD_24_1

Toaga_MAS_6 Toaga_MAS_6
Sherd 6 from To'aga (Ofu). Slide WD_24_1 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.

Sparse basaltic temper.


WD_24_13

Toaga_MAS_26 Toaga_MAS_26
Sherd 26 from To'aga (Ofu). Slide WD_24_13 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 temper.


References:

050 Western Samoa 1973 (Dickinson, W.)

112 'Aoa Valley, Tutuila, American Samoa 1994 (Dickinson, W.)

098 Toaga, Ofu Island, Manua Group, American Samoa 1990 (Dickinson, W.)

Petchey MA Thesis 1995 (Petchey, F.)