Santa Cruz Islands

Wikidata ID: Q148839

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

Geonames ID: 2178509       Getty Thesaurus of Geographic Names ID: 7006217

Mindat Loc ID: None

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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
tpr164 0 0 3 4 0 1 2 0 0 0 0 4 0 0 microlitic
Santa Cruz transitional 0 0 2 3 0 0 1 0 0 0 0 3 0 0 Vanuatu
tpr165 ** 0 0 3 6 0 2 2 0 0 0 0 3 0 0 microlitic
Santa Cruz placer 0 0 1 5 0 0 1 0 0 0 0 2 0 0 Vanuatu
tpr167 4 0 2 3 0 1 0 0 0 0 0 3 0 0 microlitic
Santa Cruz hybrid transitional 1 0 2 3 0 0 0 0 0 0 0 3 0 0 Vanuatu
tpr163 ** 0 0 3 3 0 1 1 0 0 0 0 5 0 0 microlitic
Santa Cruz lithic 0 0 3 3 0 0 0 0 0 0 0 4 0 0 Vanuatu
tpr207 ** 2 3 3 6 1 3 0 0 0 0 0 2 0 0 microlitic, felsitic, vitric
Exotic Tonga pyroxenic placer 0 1 1 4 0 1 0 0 0 0 0 1 0 0 Tonga
tpr168 4 0 2 5 0 1 1 0 0 0 0 2 0 0 microlitic
Santa Cruz hybrid placer 2 0 1 3 0 0 0 0 0 0 0 1 0 0 Vanuatu
tpr241 0 0 4 3 1 2 0 0 0 0 0 4 0 0 microlitic, vitric
Vanikolo-Tikopia feldspathic 0 0 4 1 0 2 0 0 0 0 0 3 0 0 Vanuatu
tpr242 ** 0 0 4 1 0 3 0 0 0 0 0 4 0 0 microlitic, vitric
Vanikolo-Tikopia opaque-rich 0 0 4 0 0 3 0 0 0 0 0 3 0 0 Vanuatu
tpr243 ** 0 0 4 2 0 3 0 0 0 0 0 5 0 0 microlitic, vitric
Vanikolo-Tikopia lithic 0 0 2 2 0 2 0 0 0 0 0 5 0 0 Vanuatu

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_91_15 tpr164 (Santa Cruz transitional) Nendo 0 0 3 4 0 1 0 0 0 0 0 4 0 0 microlitic
WD_91_4 tpr165 (Santa Cruz placer) Nendo 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic
WD_91_6 tpr167 (Santa Cruz hybrid transitional) Nendo 4 0 2 3 0 1 0 0 0 0 0 3 0 0 microlitic
WD_91_16 tpr207 (Exotic Tonga pyroxenic placer) exotic Lapita (3500 - 2300 BP) 0 3 3 4 1 2 0 0 0 0 0 2 0 0 microlitic, felsitic
WD_84_3 tpr163 (Santa Cruz lithic) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 3 3 0 1 0 0 0 0 0 4 0 0 microlitic
WD_88_24 tpr163 (Santa Cruz lithic) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 3 3 0 1 0 0 0 0 0 5 0 0 microlitic
WD_84_2 tpr164 (Santa Cruz transitional) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 3 4 0 1 0 0 0 0 0 4 0 0 microlitic
WD_82_10 tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic
WD_88_20 tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic
WD_91_10 tpr163 (Santa Cruz lithic) Nendo 0 0 3 3 0 1 0 0 0 0 0 5 0 0 microlitic
WD_91_1 tpr164 (Santa Cruz transitional) Nendo 0 0 3 4 0 1 0 0 0 0 0 4 0 0 microlitic
WD_91_3 tpr165 (Santa Cruz placer) Nendo 0 0 2 5 0 2 1 0 0 0 0 3 0 0 microlitic
WD_91_12 tpr167 (Santa Cruz hybrid transitional) Nendo 4 0 2 3 0 1 0 0 0 0 0 3 0 0 microlitic
WD_106_5c tpr163 (Santa Cruz lithic) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 3 3 0 1 0 0 0 0 0 5 0 0 microlitic
WD_106_5b tpr164 (Santa Cruz transitional) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 4 0 1 0 0 0 0 0 3 0 0 microlitic
WD_106_7c tpr164 (Santa Cruz transitional) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 4 0 1 0 0 0 0 0 3 0 0 microlitic
WD_106_9a tpr164 (Santa Cruz transitional) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 4 0 1 0 0 0 0 0 3 0 0 microlitic
WD_106_3 tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_4 tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_5a tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_6 tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_7a tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_7b tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_8a tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_8b tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_8c tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_9c tpr165 (Santa Cruz placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_9b tpr168 (Santa Cruz hybrid placer) Nendo Lapita Santa Cruz and Reef Is (3100 - 2700 BP) 4 0 2 4 0 1 0 0 0 0 0 2 0 0 microlitic
WD_52_19 tpr241 (Vanikolo-Tikopia feldspathic) Vanikolo, Banks or Santo 0 0 4 2 0 2 0 0 0 0 0 4 0 0 microlitic, vitric
WD_52_14 tpr242 (Vanikolo-Tikopia opaque-rich) Vanikolo, Banks or Santo 0 0 4 1 0 3 0 0 0 0 0 4 0 0 microlitic, vitric
WD_52_9 tpr243 (Vanikolo-Tikopia lithic) Vanikolo, Banks or Santo 0 0 3 2 0 2 0 0 0 0 0 5 0 0 microlitic, vitric

WD_91_15

Graciosa49_15 Graciosa49_15
Sherd 49-15 from Graciosa Bay (Nendö). Slide WD_91_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.

Transitional.


WD_91_4

Graciosa49_4 Graciosa49_4
Sherd 49-4 from Graciosa Bay (Nendö). Slide WD_91_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.

Pyroxene.


WD_91_6

Graciosa49_6 Graciosa49_6
Sherd 49-6 from Graciosa Bay (Nendö). Slide WD_91_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.

Hybrid transitional.


WD_91_16

nendoSZ8_68_12 nendoSZ8_68_12
Sherd SZ8-68-12 from Nanggu (Nendö). Slide WD_91_16 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.

Placer quartose pyroxenic with opaque iron oxides.


WD_84_3

NangguSZ_8_93 NangguSZ_8_93
Sherd SZ-8-93 from Nanggu (Nendö). Slide WD_84_3 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.

Volcanic rock fragments dominant. Augitic clinopyroxene,minor opaque iron oxide grains and olivine grains, and rare hornblende grains are also present.


WD_88_24

NendoSZ8_80_20 NendoSZ8_80_20
Sherd SZ8-80-20 from Nanggu (Nendö). Slide WD_88_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.

Lithic.


WD_84_2

NangguSZ_8_107_6 NangguSZ_8_107_6
Sherd SZ-8-107-6 from Nanggu (Nendö). Slide WD_84_2 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.

Transitional placer (35%-60% ferromagnesian grains) sand temper.


WD_82_10

NangguSZ8_11 NangguSZ8_11
Sherd SZ8-11 from Nanggu (Nendö). Slide WD_82_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.

Placer sand.


WD_88_20

NendoSZ8_125_5 NendoSZ8_125_5
Sherd SZ8-125-5 from Nanggu (Nendö). Slide WD_88_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.

Placer sand.


WD_91_10

Trevanion49_10 Trevanion49_10
Sherd 49-10 from Trevanion Islet (Tomotu Neo). Slide WD_91_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.

Lithic.


WD_91_1

Trevanion49_1 Trevanion49_1
Sherd 49-1 from Trevanion Islet (Tomotu Neo). Slide WD_91_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.

Transitional.


WD_91_3

Trevanion49_3 Trevanion49_3
Sherd 49-3 from Trevanion Islet (Tomotu Neo). Slide WD_91_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.

Pyroxene.


WD_91_12

Trevanion49_12 Trevanion49_12
Sherd 49-12 from Trevanion Islet (Tomotu Neo). Slide WD_91_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.

Hybrid transitional.


WD_106_5c

SantaCruz153_39 SantaCruz153_39
Sherd 153-39 from Santa Cruz (Santa Cruz). Slide WD_106_5c 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.

Lithic.


WD_106_5b

SantaCruz75_6 SantaCruz75_6
Sherd 75-6 from Santa Cruz (Santa Cruz). Slide WD_106_5b 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.

Transitional.


WD_106_7c

SantaCruz37_38 SantaCruz37_38
Sherd 37-38 from Santa Cruz (Santa Cruz). Slide WD_106_7c 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.

Transitional.


WD_106_9a

SantaCruz28_10 SantaCruz28_10
Sherd 45227 from Santa Cruz (Santa Cruz). Slide WD_106_9a 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.

Transitional.


WD_106_3

SantaCruz16_23 SantaCruz16_23
Sherd 16-23 from Santa Cruz (Santa Cruz). Slide WD_106_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.

Placer sand.


WD_106_4

SantaCruz3_10 SantaCruz3_10
Sherd 45202 from Santa Cruz (Santa Cruz). Slide WD_106_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.

Placer sand.


WD_106_5a

SantaCruz41_1 SantaCruz41_1
Sherd 41-1 from Santa Cruz (Santa Cruz). Slide WD_106_5a 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.

Placer sand.


WD_106_6

SantaCruz79_10 SantaCruz79_10
Sherd 79-10 from Santa Cruz (Santa Cruz). Slide WD_106_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.

Placer sand.


WD_106_7a

SantaCruz33_12 SantaCruz33_12
Sherd 33-12 from Santa Cruz (Santa Cruz). Slide WD_106_7a 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.

Placer sand.


WD_106_7b

SantaCruz21_10 SantaCruz21_10
Sherd 21-10 from Santa Cruz (Santa Cruz). Slide WD_106_7b 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.

Placer sand.


WD_106_8a

SantaCruz31_4 SantaCruz31_4
Sherd 31-4 from Santa Cruz (Santa Cruz). Slide WD_106_8a 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.

Placer sand.


WD_106_8b

SantaCruz53_4 SantaCruz53_4
Sherd 53-4 from Santa Cruz (Santa Cruz). Slide WD_106_8b 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.

Placer sand.


WD_106_8c

SantaCruz105_4 SantaCruz105_4
Sherd 105-4 from Santa Cruz (Santa Cruz). Slide WD_106_8c 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.

Placer sand.


WD_106_9c

SantaCruz125_49 SantaCruz125_49
Sherd 125-49 from Santa Cruz (Santa Cruz). Slide WD_106_9c 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.

Placer sand.


WD_106_9b

SantaCruz63_120 SantaCruz63_120
Sherd 63-120 from Santa Cruz (Santa Cruz). Slide WD_106_9b 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.

Hybrid placer.


WD_52_19

VanikoroTP68 VanikoroTP68
Sherd TP68 from Vanikoro (Santa Cruz). Slide WD_52_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.

Feldspathic-plagioclase, volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric), some pyroxenes and hornblende.


WD_52_14

VanikoroTP81 VanikoroTP81
Sherd TP81 from Vanikoro (Santa Cruz). Slide WD_52_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.

Iron oxide opaques, plagioclase and volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric).


WD_52_9

Vanikoro5_20 Vanikoro5_20
Sherd 5-20 from Vanikoro (Santa Cruz). Slide WD_52_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.

Volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric) and iron oxide opaques, plagioclase and pyroxenes.


References:

068 SE Solomon 1977 (Dickinson, W.)

289 Reef Islands, Nendo, Santa Cruz group, Solomon (Dickinson, W.)

081 Nendo, Santa Cruz group, Solomon 1979 (Dickinson, W.)

117 Vanuatu Report (Dickinson, W.)