Fabric Code: tpr165

Santa Cruz placer

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

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 3 6 0 2 2 0 0 0 0 3 0 0 microlitic
Min 0 0 1 5 0 0 1 0 0 0 0 2 0 0 Vanuatu

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_82_6 Reef (Reef) Nendo 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_3 Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_4 Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_5a Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_6 Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_7a Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_7b Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_8a Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_8b Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_8c Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_106_9c Santa Cruz (Santa Cruz) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_82_10 Nanggu (Nendö) Nendo 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic
WD_88_20 Nanggu (Nendö) Nendo 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic
WD_88_7 Reef (Reef) Nendo 0 0 2 5 0 1 1 0 0 0 0 3 0 0 microlitic
WD_91_3 Trevanion Islet (Nendö) Nendo 0 0 2 5 0 2 1 0 0 0 0 3 0 0 microlitic
WD_91_4 Graciosa Bay (Nendö) Nendo 0 0 2 6 0 1 1 0 0 0 0 3 0 0 microlitic

WD_82_6

RF2_159_4 RF2_159_4
Sherd RF2-159-4 from Reef (Reef). Slide WD_82_6 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Transitional. Augitic clinopyroxene, minor opaque iron oxide grains and olivine grains, and rare hornblende grains are also present.


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. 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. 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. 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. 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. 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. 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. 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. 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. 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. Imaged by K. Hardy and M. Leclerc, ANU.

Placer sand.


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. 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. Imaged by K. Hardy and M. Leclerc, ANU.

Placer sand.


WD_88_7

ReefIslandRL6_24_1 ReefIslandRL6_24_1
Sherd RL6-24-1 from Reef (Reef). Slide WD_88_7 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Placer sand.


WD_91_3

Trevanion49_3 Trevanion49_3
Sherd 49-3 from Trevanion Islet (Nendö). Slide WD_91_3 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Pyroxene.


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. Imaged by K. Hardy and M. Leclerc, ANU.

Pyroxene.


References:

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