Fabric Code: tpr11

Saipan dacitic-vitric

Glass-rich colluvial dacitic volcanic sands. Feldspar is plagioclase.

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.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics/ Region
Max	0	2	2	0	0	1	0	0	0	0	0	6	0	0	vitric, felsitic
Min	0	1	2	0	0	1	0	0	0	0	0	6	0	0	Marianas

Representative slides:

Slide	Site	Possible Origin	Cal.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics
WD_2_13	Ibb (Tinian)	Saipan	0	2	2	0	0	1	0	0	0	0	0	6	0	0	vitric, felsitic
WD_2_12	Taga (Tinian)	Saipan	0	2	2	0	0	1	0	0	0	0	0	6	0	0	vitric, felsitic
WD_2_6	Sanmeima (Pagan)	Saipan	0	2	2	0	0	1	0	0	0	0	0	6	0	0	vitric
WD_2_7	Alamagan (Nwc) (Alamagan)	Saipan	0	2	2	0	0	1	0	0	0	0	0	6	0	0	felsitic
WD_2_11	Apansantate (Pagan)	Saipan	0	1	2	0	0	0	0	0	0	0	0	6	0	0	vitric

WD_2_13

IBB_Tinian94 — Sherd 94 from IBB (Tinian). Slide WD_2_13 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.

IBB_Tinian94 — Sherd 94 from IBB (Tinian). Slide WD_2_13 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.

Glass-rich dacitic volcanic sand temper.

WD_2_12

Taga15_4 — Sherd 15-4 from Taga (Tinian). Slide WD_2_12 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.

Taga15_4 — Sherd 15-4 from Taga (Tinian). Slide WD_2_12 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.

Glass- rich dacitic volcanic sand, type B. Marianas trailed sherd.

WD_2_6

PaganPAG1 — Sherd PAG1 from Sanmeima (Pagan). Slide WD_2_6 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.

PaganPAG1 — Sherd PAG1 from Sanmeima (Pagan). Slide WD_2_6 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.

Poorly sorted dacitic volcanic sand temper of simple mineralogy and probable fluvial origin, composed dominantly of volcanic glass rock fragments.

WD_2_7

AlamaganA1 — Sherd A1 from Alamagan (NWC) (Alamagan). Slide WD_2_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.

AlamaganA1 — Sherd A1 from Alamagan (NWC) (Alamagan). Slide WD_2_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 dacitic volcanic sand temper. Fine temper.

WD_2_11

Pagan69_4 — Sherd 69-4 from Apansantate (Pagan). Slide WD_2_11 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.

Pagan69_4 — Sherd 69-4 from Apansantate (Pagan). Slide WD_2_11 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.

East Pagan, Apansantate beside Latte site '1819'. Quartzose sand temper.

References:

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