American Samoa

Wikidata ID: Q16641

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

Geonames ID: 5880801       Getty Thesaurus of Geographic Names ID: 7005667

Mindat Loc ID: 405506


Volcanoes:

Tutuila: Basalt / Picro-Basalt, Cluster type, Tuff cone(s).

Ofu-Olosega: Basalt / Picro-Basalt, Shield type, Shield(s).

Ta'u: Basalt / Picro-Basalt, Shield type, Shield.

brown pot Site has a full slide image.

brown pot Site has an image.

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Note that to see the 'Geology' layer (layer options in top right corner) you may have to zoom out.

Many fabrics have a range of abundances. The range maximum (top) and minimum (bottom) are shown.

** Has full slide image available.

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
tpr294 ** 0 0 0 1 0 1 1 0 0 0 0 6 0 0 vitric
Samoan colluvium 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Samoa
tpr290a ** 0 0 5 0 0 2 0 0 0 0 0 6 0 0 microlitic, vitric
Samoan crushed microlitic lithic 0 0 3 0 0 0 0 0 0 0 0 4 0 0 Samoa
tpr292 ** 0 0 0 5 0 1 3 0 0 0 0 3 0 0 vitric, lathwork
Samoan ferromagnesian stream 0 0 0 5 0 1 3 0 0 0 0 3 0 0 Samoa
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
tpr291 ** 3 0 2 3 1 3 3 1 0 0 0 6 0 0 lathwork, vitric
Samoan lithic 0 0 0 1 0 0 1 0 0 0 0 4 0 0 Samoa
tpr291b 6 0 1 2 0 1 1 0 0 0 0 2 0 0 lathwork, vitric
Samoan calcareous 5 0 0 2 0 0 1 0 0 0 0 3 0 0 Samoa
tpr293a ** 0 0 1 0 0 0 0 0 0 0 0 6 0 0 felsitic
Samoan felsitic trachytic 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Samoa
tpr294a ** 0 0 1 1 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
Samoan basaltic lithic A 0 0 1 0 0 0 0 0 0 0 0 6 0 0 Samoa
tpr294b ** 0 0 0 0 0 0 0 0 0 0 0 6 0 0 microlitic
Samoan basaltic lithic B 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Samoa
tpr294c ** 0 0 1 0 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
Samoan basaltic lithic C 0 0 0 0 0 0 1 0 0 0 0 6 0 0 Samoa
tpr294d ** 0 0 1 0 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
Samoan basaltic lithic D 0 0 1 0 0 0 1 0 0 0 0 6 0 0 Samoa

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_25_17 tpr294 (Samoan colluvium) Aunu'u Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 1 0 1 0 0 0 0 0 6 0 0 vitric
WD_22_21 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 5 0 0 1 0 0 0 0 0 4 0 0 lathwork, microlitic
WD_24_1 tpr291 (Samoan lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 1 0 2 2 0 0 0 0 6 0 0 lathwork, microlitic
WD_24_13 tpr291 (Samoan lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 3 0 1 3 0 1 3 0 0 0 0 4 0 0 lathwork, microlitic
WD_24_18 tpr291b (Samoan calcareous) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 6 0 1 2 0 1 1 0 0 0 0 2 0 0 lathwork, microlitic
WD_24_19 tpr292 (Samoan ferromagnesian stream) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 5 0 1 3 0 0 0 0 3 0 0 vitric, lathwork
WD_24_20 tpr292 (Samoan ferromagnesian stream) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 5 0 1 3 0 0 0 0 3 0 0 vitric, lathwork
WD_24_23 tpr292 (Samoan ferromagnesian stream) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 5 0 1 3 0 0 0 0 3 0 0 vitric, lathwork
WD_24_24 tpr292 (Samoan ferromagnesian stream) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 5 0 1 3 0 0 0 0 3 0 0 vitric, lathwork
WD_24_4 tpr295 (Samoan ferromagnesian beach) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 4 0 1 2 0 0 0 0 5 0 0 lathwork
WD_25_14 tpr294 (Samoan colluvium) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 0 1 0 0 0 0 6 0 0 vitric, lathwork
WD_25_11 tpr293a (Samoan felsitic trachytic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 0 0 0 0 0 6 0 0 felsitic
WD_22_23 tpr294 (Samoan colluvium) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 4 0 0 1 1 0 0 0 0 6 0 0 vitric
WD_22_12 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 5 0 0 1 0 0 0 0 0 4 0 0 microlitic, lathwork, vitric
WD_22_13 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 5 0 0 1 0 0 0 0 0 4 0 0 lathwork, microlitic
WD_22_14 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 3 0 0 1 0 0 0 0 0 6 0 0 lathwork, microlitic
WD_22_15 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 4 0 0 1 0 0 0 0 0 6 0 0 lathwork, microlitic
WD_22_18 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 4 0 0 1 0 0 0 0 0 6 0 0 lathwork, microlitic
WD_22_11 tpr290a (Samoan crushed microlitic lithic) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 4 0 0 1 0 0 0 0 0 5 0 0 microlitic, victric, lathwork
WD_25_13 tpr294 (Samoan colluvium) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 1 0 0 0 0 0 6 0 0 vitric
WD_22_22 tpr295 (Samoan ferromagnesian beach) Samoa Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 5 0 1 3 0 0 0 0 3 0 0 lathwork, microlitic
WD_79_1 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 1 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_79_10 tpr294b (Samoan basaltic lithic B) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 0 0 0 0 0 0 6 0 0 microlitic
WD_79_11 tpr294b (Samoan basaltic lithic B) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 0 0 0 0 0 0 6 0 0 microlitic
WD_79_15 tpr294c (Samoan basaltic lithic C) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 1 0 0 0 0 6 0 0 microlitic, lathwork
WD_79_16 tpr294c (Samoan basaltic lithic C) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
WD_79_17 tpr294c (Samoan basaltic lithic C) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
WD_79_19 tpr294d (Samoan basaltic lithic D) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
WD_79_20 tpr294d (Samoan basaltic lithic D) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 1 0 0 0 0 6 0 0 lathwork, microlitic
WD_79_6 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 1 0 0 0 0 6 0 0 microlitic, lathwork
WD_79_9 tpr294b (Samoan basaltic lithic B) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 0 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_24 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_10 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 1 0 0 0 0 0 0 0 6 0 0 lathwork, microlitic
WD_87_3 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 1 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_12 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_16 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_17 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_18 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork
WD_87_4 tpr294a (Samoan basaltic lithic A) Olomoana Mountain Tutuila Samoa Polynesian Plainware (2500 - 1700 BP) 0 0 1 1 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork

WD_25_17

Aunuu_AS_17 Aunuu_AS_17
Sherd AS17 from Aunu’u (Aunu’u). Slide WD_25_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.

Very weathered inclusions.


WD_22_21

Toaga_MAS_18 Toaga_MAS_18
Sherd 18 from To'aga (Ofu). Slide WD_22_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.

Feldspathic basaltic temper.


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.


WD_24_18

Toaga_MAS_30 Toaga_MAS_30
Sherd 30 from To'aga (Ofu). Slide WD_24_18 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.

Calcareous temper.


WD_24_19

Toaga_MAS_1 Toaga_MAS_1
Sherd 1 from To'aga (Ofu). Slide WD_24_19 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.

Profuse basaltic temper.


WD_24_20

Toaga_MAS_2 Toaga_MAS_2
Sherd 2 from To'aga (Ofu). Slide WD_24_20 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.

Profuse basaltic temper.


WD_24_23

Toaga_MAS_5 Toaga_MAS_5
Sherd 5 from To'aga (Ofu). Slide WD_24_23 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.

Profuse basaltic temper.


WD_24_24

Toaga_MAS_7 Toaga_MAS_7
Sherd 7 from To'aga (Ofu). Slide WD_24_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.

Profuse basaltic temper.


WD_24_4

Toaga_MAS_19 Toaga_MAS_19
Sherd 19 from To'aga (Ofu). Slide WD_24_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.

Sparse basaltic temper.


WD_25_14

Aoa_AS_4 Aoa_AS_4
Sherd AS4 from ‘Aoa Valley (Tutuila). Slide WD_25_14 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.

Weathered.


WD_25_11

Aoa_AS_15 Aoa_AS_15
Sherd AS15 from ‘Aoa Valley (Tutuila). Slide WD_25_11 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_22_23

Aoa_AS_7 Aoa_AS_7
Sherd AS7 from ‘Aoa Valley (Tutuila). Slide WD_22_23 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.

Vacuoles suggest the past presence of calcareous inclusions.


WD_22_12

Aoa_AS_1 Aoa_AS_1
Sherd AS1 from ‘Aoa Valley (Tutuila). Slide WD_22_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.

Basaltic temper.


WD_22_13

Aoa_AS_2 Aoa_AS_2
Sherd AS2 from ‘Aoa Valley (Tutuila). Slide WD_22_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.

Crushed rock temper.


WD_22_14

Aoa_AS_3 Aoa_AS_3
Sherd AS3 from ‘Aoa Valley (Tutuila). Slide WD_22_14 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.

Basaltic lithic temper.


WD_22_15

Aoa_AS_12 Aoa_AS_12
Sherd AS12 from ‘Aoa Valley (Tutuila). Slide WD_22_15 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.

Basaltic lithic temper.


WD_22_18

Aoa_AS_16 Aoa_AS_16
Sherd AS16 from ‘Aoa Valley (Tutuila). Slide WD_22_18 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.

Basaltic.


WD_22_11

Tagaga_3 Tagaga_3
Sherd 3 from Tataga-Matau (Tutuila). Slide WD_22_11 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.

Basaltic rock fragments have glassy groundmass with plagioclase laths and altered pyroxene and olivines.


WD_25_13

Toaga_4 Toaga_4
Sherd 4 from Tataga-Matau (Tutuila). Slide WD_25_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.

Sparse temper.


WD_22_22

Vaota_69_1 Vaota_69_1
Sherd 67-1 from Va'ota (Ofu). Slide WD_22_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.

Rocks have holocrystalline plagioclase-clinopyroxene groundmasses.


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_10

Tula_182_21D Tula_182_21D
Sherd 182-21D from Tula (Tutuila). Slide WD_79_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 (fluidal fabric).


WD_79_11

Tula_182_21B Tula_182_21B
Sherd 182-21B from Tula (Tutuila). Slide WD_79_11 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 (fluidal fabric).


WD_79_15

Tula_139_15B Tula_139_15B
Sherd 139-15B from Tula (Tutuila). Slide WD_79_15 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.

Intergranular with minor hyalopilitic


WD_79_16

Tula_142_16 Tula_142_16
Sherd 142-16 from Tula (Tutuila). Slide WD_79_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.

Intergranular with minor hyalopilitic.


WD_79_17

Tula_161_18Aa Tula_161_18Aa
Sherd 161-18A from Tula (Tutuila). Slide WD_79_17 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.

Intergranular with minor hyalopilitic


WD_79_19

Tula_139_15A Tula_139_15A
Sherd 139-15A from Tula (Tutuila). Slide WD_79_19 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.

Subophitic with minor hyalopilitic.


WD_79_20

Tula_161_18F Tula_161_18F
Sherd 161-18F from Tula (Tutuila). Slide WD_79_20 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.

Subophitic with minor hyalopilitic.


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_79_9

Tula_182_21H Tula_182_21H
Sherd 182-21H from Tula (Tutuila). Slide WD_79_9 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.

Intersertal to intergranular (fluidal fabric).


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 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.)

096 Tataga-Matau Fort, American Samoa 1988 (Dickinson, W.)

139 Ofu, Manu'a, American Samoa, 1997 (Dickinson, W.)

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

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