Fabric Code: tpr168

Santa Cruz hybrid placer

Calcareous, feldspar, augitic clinopyroxene, minor opaque iron oxide grains and olivine grains. 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 4 0 2 5 0 1 1 0 0 0 0 2 0 0 microlitic
Min 2 0 1 3 0 0 0 0 0 0 0 1 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_106_9b Santa Cruz (Santa Cruz) Nendo 4 0 2 4 0 1 0 0 0 0 0 2 0 0 microlitic
WD_88_9 Reef (Reef) Nendo 4 0 1 3 0 1 0 0 0 0 0 1 0 0 microlitic
WD_82_14 Reef (Reef) Nendo 2 0 2 5 0 1 0 0 0 0 0 2 0 0 microlitic

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_88_9

ReefIslandRL2_69_29 ReefIslandRL2_69_29
Sherd RL2-69-29 from Reef (Reef). Slide WD_88_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.

Hybrid placer sand temper with calcareous grains.


WD_82_14

RF6_32 RF6_32
Sherd RF6-32 from Reef (Reef). Slide WD_82_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.

Hybrid placer sand temper with calcareous grains.


References:

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