Slide: WD_5_1

Poorly sorted, subangular to subrounded, andesitic volcanic sand temper rich in glassy volcanic rock fragments of tan to brown hues in thin section. Clinopyroxene dominant, but minor orthopyroxene.

Mineral and Rock Abundances

Fabric: tpr6 - Marianas andesitic

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%

Cal.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics
0	0	5	2	0	2	0	0	0	0	0	3	0	0	microlitic, felsitic, vitric

Images

Rota_R_23 — Sherd Rota-R-23 from Rota (NEC) (Rota). Slide WD_5_1 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.

Rota_R_23 — Sherd Rota-R-23 from Rota (NEC) (Rota). Slide WD_5_1 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.

Sherd: Rota-R-23

None

Period: None wikidata:

Site: Rota (NEC) (Rota)

Suspected origin site: Marianas

References:

323 Mariana, reports 1-15 for MTAT, 1998 (Dickinson, W.)