Fabric Code: tpr167

Santa Cruz hybrid transitional

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 3 0 1 0 0 0 0 0 3 0 0 microlitic
Min 1 0 2 3 0 0 0 0 0 0 0 3 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_88_14 Reef (Reef) Nendo 4 0 2 3 0 1 0 0 0 0 0 3 0 0 microlitic
WD_91_12 Trevanion Islet (Nendö) Nendo 4 0 2 3 0 1 0 0 0 0 0 3 0 0 microlitic
WD_91_6 Graciosa Bay (Nendö) Nendo 4 0 2 3 0 1 0 0 0 0 0 3 0 0 microlitic
WD_82_20 Reef (Reef) Nendo 1 0 3 3 0 1 0 0 0 0 0 3 0 0 microlitic

WD_88_14

ReefIslandRL2_154_17 ReefIslandRL2_154_17
Sherd RL2-154-17 from Reef (Reef). Slide WD_88_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 transitional.


WD_91_12

Trevanion49_12 Trevanion49_12
Sherd 49-12 from Trevanion Islet (Nendö). 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_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_82_20

RF2_129_2 RF2_129_2
Sherd RF2-129-2 from Reef (Reef). Slide WD_82_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.

Hybrid transitional placer (35%-60% ferromagnesian grains) sand temper with calcareous grains.


References:

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