Fabric Code: tpr93

Mussau type B

Calcareous marginally hybrid (Type B).

Fabric Class:

Calcareous: Dominated by calcareous inclusions.

Backarc Quartzose: Clinopyroxenes, plagioclase, and lithics of basalts or shoshonite (a basaltic trachyandesite), dominate with quartz.

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	2	1	0	1	0	0	0	0	0	1	1	0	felsitic, vitric, chert
Min	6	1	1	0	0	0	0	0	0	0	0	0	0	0	Bismarck

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_36_17	Talepakemalai (Eloaua)	Admiralty	6	1	2	1	0	1	0	0	0	0	0	1	1	0	felsitic, vitric, chert
WD_36_20	Talepakemalai (Eloaua)	Admiralty	6	1	2	1	0	0	0	0	0	0	0	1	0	0	felsitic, vitric
WD_36_24	Etapakengaroasa (Emananus)	Admiralty	6	1	1	0	0	0	0	0	0	0	0	0	1	0	felsitic, vitric, chert

WD_36_17

ECA66_7_3 — Sherd ECA66-7-3 from Talepakemalai (Eloaua). Slide WD_36_17 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

ECA66_7_3 — Sherd ECA66-7-3 from Talepakemalai (Eloaua). Slide WD_36_17 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Calcareous marginally hybrid (Type B).

WD_36_20

ECA67_6_23 — Sherd ECA67-6-23 from Talepakemalai (Eloaua). Slide WD_36_20 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.

ECA67_6_23 — Sherd ECA67-6-23 from Talepakemalai (Eloaua). Slide WD_36_20 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 marginally hybrid (Type B).

WD_36_24

EHB1_4_19 — Sherd EHB1-4-19 from Etapakengaroasa (Emananus). Slide WD_36_24 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.

EHB1_4_19 — Sherd EHB1-4-19 from Etapakengaroasa (Emananus). Slide WD_36_24 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 marginally hybrid (Type B).

References:

Talepakemalai: Lapita and Its Transformations in the Mussau Islands of Near Oceania (Dickinson, W. & Kirch, P.)