Fabric Code: tpr138

Exotic Kolombangara hornblendic-hypabassal

Complex hornblende rich temper of volcano plutonic orgen type, has microgranular rock fragments. Volcano plutonic orgen (same temper as Roviana Plainware?).

Fabric Class:

Amphibolic: High levels of amphiboles. Feldspars and igneous lithics present.

Dissected Orogen: Dominated by plutonic lithics such as microgranite, and those with microphaneritic textures, as well as metavolcanics. They have K-feldspars dominate, in addition to 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	3	2	5	2	0	0	0	1	0	3	0	0	microphaneritic
Min	0	1	2	1	4	1	0	0	0	1	0	3	0	0	Solomons

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_34_22	Kolombangara (Kolombangara)	exotic	0	2	3	2	4	1	0	0	0	1	0	3	0	0	microphaneritic
WD_34_23	Kolombangara (Kolombangara)	exotic	0	2	3	2	4	1	0	0	0	1	0	3	0	0	microphaneritic
WD_34_24	Kolombangara (Kolombangara)	exotic	0	1	2	1	5	2	0	0	0	1	0	3	0	0	microphaneritic

WD_34_22

Kolombangara_BN_5_A_12 — Sherd BN-5-A-12 from Kolombangara (Kolombangara). Slide WD_34_22 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.

Kolombangara_BN_5_A_12 — Sherd BN-5-A-12 from Kolombangara (Kolombangara). Slide WD_34_22 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.

Green hornblende.

WD_34_23

Kolombangara_BN_9_A_72 — Sherd BN-9-A-72 from Kolombangara (Kolombangara). Slide WD_34_23 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.

Kolombangara_BN_9_A_72 — Sherd BN-9-A-72 from Kolombangara (Kolombangara). Slide WD_34_23 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.

Green hornblende.

WD_34_24

Kolombangara_BN_9_A_73 — Sherd BN-9-A-73 from Kolombangara (Kolombangara). Slide WD_34_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.

Kolombangara_BN_9_A_73 — Sherd BN-9-A-73 from Kolombangara (Kolombangara). Slide WD_34_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.

Green hornblende.

References:

042 Kolombongara, Solomon 1972 (Dickinson, W.)