Slide: WD_5_13

Groundmass rock fragment suite distinct from that at Nomna Bay (more microlitic than vitric).

Mineral and Rock Abundances

Fabric: tpr20 - Guam lithic andesiitic

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	2	1	0	2	0	0	0	0	0	6	0	0	microlitic

Images

Ma_GU_8_7 — Sherd Ma-GU-8-7 from Talafofo (Guam). Slide WD_5_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.

Ma_GU_8_7 — Sherd Ma-GU-8-7 from Talafofo (Guam). Slide WD_5_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.

Sherd: Ma-GU-8-7

None

Period: None wikidata:

Site: Talafofo (Guam)

Suspected origin site: Guam

References:

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

028 Nomna Bay, Fouha Bay, Guam 1968 (Dickinson, W.)