Fabric Code: tpr294a

Samoan basaltic lithic A

Four subtypes. Sand temper rich in chilled tachylitic VRF grains and containing either olivine and/or clinopyroxene in addition to plagioclase.

Fabric Class:

Lathwork: Dominated by lathwork inclusions.

Oceanic Basalt: Mainly contain olivines, clinopyroxenes and plagioclase, and have lathwork and mafic vitric lithic fragments.

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 0 0 1 1 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
Min 0 0 1 0 0 0 0 0 0 0 0 6 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
WD_79_1 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 1 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_79_6 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 0 0 0 1 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_24 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_10 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 1 0 0 0 0 0 0 0 6 0 0 lathwork, microlitic
WD_87_3 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 1 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_12 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_16 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_17 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_18 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_4 Tula (Tutuila) Olomoana Mountain Tutuila 0 0 1 1 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork

WD_79_1

Tula_199A Tula_199A
Sherd 199A from Tula (Tutuila). Slide WD_79_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.

Intersertal with tachylitic glass and subordinate hyalopilitic. A3.


WD_79_6

Tula_161_18D Tula_161_18D
Sherd 161-18D from Tula (Tutuila). Slide WD_79_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.

Intersertal to intergranular with minor hyalopilitic.


WD_87_24

Tula_196_24A Tula_196_24A
Sherd 196-24A from Tula (Tutuila). Slide WD_87_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.

Intersertal with tachylitic glass and subordinate hyalopilitic. A3.


WD_87_10

Tula_190_23_a Tula_190_23_a
Sherd 190-23 from Tula (Tutuila). Slide WD_87_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.

Intersertal to intergranular with minor hyalopilitic.


WD_87_3

Tula_145_17D Tula_145_17D
Sherd 145-17D from Tula (Tutuila). Slide WD_87_3 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.

Intersertal to intergranular with minor hyalopilitic.


WD_87_12

Tula_145_17A Tula_145_17A
Sherd 145-17A from Tula (Tutuila). Slide WD_87_12 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.

Intersertal to intergranular with minor hyalopilitic.


WD_87_16

Tula_161_181 Tula_161_181
Sherd 161-18I from Tula (Tutuila). Slide WD_87_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.

Intersertal to intergranular with minor hyalopilitic.


WD_87_17

Tula_174_19B_a Tula_174_19B_a
Sherd 174-19B from Tula (Tutuila). Slide WD_87_17 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.

Intersertal to intergranular with minor hyalopilitic.


WD_87_18

Tula_174_19D Tula_174_19D
Sherd 174-19D from Tula (Tutuila). Slide WD_87_18 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 with higher exposure. Imaged by K. Hardy and M. Leclerc, ANU.

Intersertal to intergranular with minor hyalopilitic.


WD_87_4

Tula_161_18B Tula_161_18B
Sherd 161-18B from Tula (Tutuila). Slide WD_87_4 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.

Intersertal to intergranular with minor hyalopilitic.


References:

298 Tula, Tutuila, American Samoa, 2011 (Dickinson, W.)