Fabric Code: tpr42

Yap quartzose

Quartzose temper with quartz and polycrystalline quartz-albite fragments with microgranular texture, also present albite, epidote, and clinopyroxene.

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 6 2 1 0 0 0 0 0 1 0 1 0 0 microphaneritic
Min 0 6 0 0 0 0 0 0 0 0 0 0 0 0 Carolines

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_9_16 Yap (Yap) Yap 0 6 2 0 0 1 0 0 0 1 0 1 0 0 microphaneritic
WD_10_7 Ngulu (Ngulu) Yap 0 6 0 1 0 0 0 0 0 1 0 1 0 0 microphaneritic
WD_9_17 Yap (Yap) Yap 0 6 2 0 0 1 0 0 0 0 0 1 0 0 microphaneritic
WD_9_20 Yap (Yap) Yap 0 6 2 0 0 1 0 0 0 0 0 1 0 0 microphaneritic

WD_9_16

yap19_6 yap19_6
Sherd 19-6 from Yap (Yap). Slide WD_9_16 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.

Quartzose temper with quartz and polycrystalline quartz-albite fragments with microgranular texture, also present albite, epidote, and clinopyroxene.


WD_10_7

Ngulu6 Ngulu6
Sherd 6 from Ngulu (Ngulu). Slide WD_10_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.

Quartzose temper whose grains include mainly quartz and polycrystalline quartz-albite fragments with microgranular texture, although albite, epidote, and clinopyroxene grains are also present.


WD_9_17

yap43_5 yap43_5
Sherd 43-5 from Yap (Yap). Slide WD_9_17 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.

Quartzose.


WD_9_20

yap43_1 yap43_1
Sherd 43-1 from Yap (Yap). Slide WD_9_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.

Quartzose.


References:

210 Yap 2002 (Dickinson, W.)

089 Yap 1981 (Dickinson, W.)