Fabric Code: tpr36

Yap hybrid

Calcareous with minor amounts of Yap metavolcanics.

Fabric Class:

Calcareous: Dominated by calcareous inclusions.

Tectonic Highland Ophiolitic: Have diagnostic chrome-spinels and the metavolcanic serpentinite.

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 6 0 0 0 0 0 0 0 0 0 0 2 0 0 metavolcanic
Min 6 0 0 0 0 0 0 0 0 0 0 1 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_10 Yap (Yap) Yap 6 0 0 0 0 0 0 0 0 0 0 2 0 0 metavolcanic
WD_9_12 Yap (Yap) Yap 6 0 0 0 0 0 0 0 0 0 0 2 0 0 metavolcanic

WD_9_10

yap14 yap14
Sherd 14 from Yap (Yap). Slide WD_9_10 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.

Temper in which calcareous grains are dominant, but are admixed with minor amounts of Yap metavolcanics.


WD_9_12

yap16 yap16
Sherd 16 from Yap (Yap). Slide WD_9_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.

Temper in which calcareous grains are dominant, but are admixed with minor amounts of Yap metavolcanics.


References:

210 Yap 2002 (Dickinson, W.)

089 Yap 1981 (Dickinson, W.)