Fabric Code: tpr161a

Santa Cruz hornblende-pyroxene

Placer green-brown hornblende, with opaque iron oxides with augite pyroxenes. Exotic.

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 1 2 5 3 2 1 0 0 0 0 2 0 0 na
Min 0 0 1 5 3 2 0 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_91_20 Reef (Reef) exotic 0 0 1 5 3 2 1 0 0 0 0 2 0 0 na

WD_91_20

ReefRL2_130_5 ReefRL2_130_5
Sherd RL2-130-5 from Reef (Reef). Slide WD_91_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.

Pyroxene, hornblende exotic.


References:

068 SE Solomon 1977 (Dickinson, W.)