Fabric Code: tpr493

Pohnpei grog

Lithics and grog. Grog is hard to distinguish and may require crossed nicols to see.

Fabric Class:

Grog: Dominated by grog inclusions.

Oceanic Basalt: Mainly contain olivines, clinopyroxenes and plagioclase, and have lathwork and mafic vitric lithic fragments.

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	0	0	0	0	4	0	0	0	0	0	5	0	6	lathwork, vitric
Min	0	0	0	0	0	2	0	0	0	0	0	3	0	4	Carolines

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
FL_1_89	Nan Madol (Pohnpei)	Pohnpei	0	0	0	0	0	2	0	0	0	0	0	5	0	5	Vitric, lathwork
FL_1_64	Nan Madol (Pohnpei)	Pohnpei	0	0	0	0	0	4	0	0	0	0	0	3	0	4	vitric, lathwork
FL_1_65	Nan Madol (Pohnpei)	Pohnpei	0	0	0	0	0	2	0	0	0	0	0	4	0	5	vitric, lathwork
FL_1_74	Nan Madol (Pohnpei)	Pohnpei	0	0	0	0	0	2	0	0	0	0	0	4	0	5	vitric, lathwork

FL_1_89

NanMadol_37_93_2 — Sherd 37NM93 from Nan Madol (Pohnpei). Slide FL_1_89 from Leach Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO with higher exposure. Imaged by K. Hardy and M. Leclerc, ANU.

NanMadol_37_93_2 — Sherd 37NM93 from Nan Madol (Pohnpei). Slide FL_1_89 from Leach Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO with higher exposure. Imaged by K. Hardy and M. Leclerc, ANU.

Grog and lithic. Lithics could be naturally part of clay. Higher exposure has brigher XPL.

FL_1_64

NanMadol_191_93 — Sherd 191-93 from Nan Madol (Pohnpei). Slide FL_1_64 from Leach Collection, Auckland University. 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.

NanMadol_191_93 — Sherd 191-93 from Nan Madol (Pohnpei). Slide FL_1_64 from Leach Collection, Auckland University. 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.

Grog and lithics.

FL_1_65

NanMadol_185A — Sherd NM185-93 from Nan Madol (Pohnpei). Slide FL_1_65 from Leach Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO with higher exposure. Imaged by K. Hardy and M. Leclerc, ANU.

NanMadol_185A — Sherd NM185-93 from Nan Madol (Pohnpei). Slide FL_1_65 from Leach Collection, Auckland University. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO with higher exposure. Imaged by K. Hardy and M. Leclerc, ANU.

Grog and lithics. Higher exposure has brigher XPL.

FL_1_74

NanMadol_177_93 — Sherd 177-93 from Nan Madol (Pohnpei). Slide FL_1_74 from Leach Collection, Auckland University. 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.

NanMadol_177_93 — Sherd 177-93 from Nan Madol (Pohnpei). Slide FL_1_74 from Leach Collection, Auckland University. 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.

Grog and lithics

References:

108 Pohnpei, Caroline, 1993 (Dickinson, W.)