Fabric Code: tpr1

Saipan hybrid sand

Mixed dacitic-calcareous hybrid temper sand. Unai Bapot Temper Type A. Calcareous are modern reef detritus. From Saipan, probably coastal Puntan Halaihai, 3km from Unai Bapot. Clinopyroxene and orthopyroxene present.

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	6	1	1	1	0	1	0	0	0	0	0	1	0	0	felsitic
Min	6	1	1	0	0	1	0	0	0	0	0	1	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_1_1	Unai Bapot (Saipan)	Saipan	6	1	1	0	0	1	0	0	0	0	0	1	0	0	felsitic
WD_1_12	Unai Bapot (Saipan)	Saipan	6	1	1	1	0	1	0	0	0	0	0	1	0	0	felsitic
WD_1_13	Unai Bapot (Saipan)	Saipan	6	1	1	1	0	1	0	0	0	0	0	1	0	0	felsitic
WD_1_26	Unai Bapot (Saipan)	Saipan	6	0	0	0	0	0	0	0	0	0	0	1	0	0	felsitic

WD_1_1

SaipanBP2 — Sherd BP2 from Unai Bapot (Saipan). Slide WD_1_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.

SaipanBP2 — Sherd BP2 from Unai Bapot (Saipan). Slide WD_1_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.

Type A CQT. Mixed dacitic (quartz-bearing)-calcareous (>90%) hybrid temper sand, thick red ware.

WD_1_12

SaipanUB90_1 — Sherd UB90-1 from Unai Bapot (Saipan). Slide WD_1_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.

SaipanUB90_1 — Sherd UB90-1 from Unai Bapot (Saipan). Slide WD_1_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.

Classified differently in 2 reports. Type A or B, andesitic aggregate sand temper likely from Saipan, fineware.

WD_1_13

SaipanUB93_1 — Sherd UB93-1 from Unai Bapot (Saipan). Slide WD_1_13 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.

SaipanUB93_1 — Sherd UB93-1 from Unai Bapot (Saipan). Slide WD_1_13 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.

Type A CQT. Dacitic aggregate sand temper likely from Saipan, fineware.

WD_1_26

SaipanBPX — Sherd BPX from Unai Bapot (Saipan). Slide WD_1_26 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.

SaipanBPX — Sherd BPX from Unai Bapot (Saipan). Slide WD_1_26 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.

Calcareous (>90%) hybrid temper sand. Lithic. May not have quartz.

References:

285 Unai Bapot, Saipan, 2010 (Dickinson, W.)