Fabric Code: tpr295a

Samoan ferromagnesian crystal

Subset of Samoan ferromagnesian. Olivines equal or more than pyroxenes. Vitric and picritic basaltic lithics. Oliviines often altered to iddingsite.

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 1 1 4 0 0 4 0 0 0 0 4 0 0 lathwork, vitric
Min 0 0 0 2 0 0 3 0 0 0 0 3 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_8 Mulifanua (Upolu) Upolu 1 0 0 2 0 0 3 0 0 0 0 4 0 0 lathwork, vitric
FP_1_15 Mulifanua (Upolu) Upolu 1 0 0 3 0 0 4 0 0 0 0 4 0 0 lathwork, vitric
FP_1_16 Mulifanua (Upolu) Upolu 0 0 0 4 0 0 4 0 0 0 0 3 0 0 lathwork
FL_1_4 Mulifanua (Upolu) Upolu 0 0 0 3 0 0 3 0 0 0 0 4 0 0 lathwork, vitric
WD_23_3 Mulifanua (Upolu) Samoa 0 0 1 3 0 1 4 0 0 0 0 4 0 0 lathwork, microlitic
WD_23_6 Mulifanua (Upolu) Samoa 3 0 1 2 0 1 3 0 0 0 0 4 0 0 lathwork, microlitic
WD_23_8 Mulifanua (Upolu) Samoa 0 0 1 2 0 1 3 0 0 0 0 4 0 0 lathwork, microlitic
WD_23_9 Mulifanua (Upolu) Samoa 2 0 1 3 0 1 4 0 0 0 0 4 0 0 lathwork, microlitic

FP_1_8

Mulifanna_23v252 Mulifanna_23v252
Sherd 23-252 from Mulifanua (Upolu). Slide FP_1_8 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. Has trace quartz and feldspars from Fagaloa formation.


FP_1_15

Mulifanna_30v151 Mulifanna_30v151
Sherd 30-151 from Mulifanua (Upolu). Slide FP_1_15 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.

Oxidised sherd. Picritic lithics. Altered olivines. More olivines than pyroxenes.


FP_1_16

Mulifanna_30v330 Mulifanna_30v330
Sherd 30-330 from Mulifanua (Upolu). Slide FP_1_16 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. Equal olivines and pyroxenes. Mainly picritic basaltic lithics.


FL_1_4

Mulifauna_509 Mulifauna_509
Sherd 509 from Mulifanua (Upolu). Slide FL_1_4 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.

Ferromagnesian.


WD_23_3

Mulifanua_SU_P18_19 Mulifanua_SU_P18_19
Sherd SU/P18/19 from Mulifanua (Upolu). Slide WD_23_3 from Dickinson Collection, Bishop Museum. 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.

Crystal lithic beach sand.


WD_23_6

Mulifanua_SU_P18_56 Mulifanua_SU_P18_56
Sherd SU/P18/56 from Mulifanua (Upolu). Slide WD_23_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.

Crystal lithic.


WD_23_8

Mulifanua_SU_P18_77 Mulifanua_SU_P18_77
Sherd SU/P18/77 from Mulifanua (Upolu). Slide WD_23_8 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.

Crystal lithic beach sand.


WD_23_9

Mulifanua_SU_P18_79 Mulifanua_SU_P18_79
Sherd SU/P18/79 from Mulifanua (Upolu). Slide WD_23_9 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.

Crystal lithic beach sand.


References:

Petchey MA Thesis 1995 (Petchey, F.)