Fabric Code: tpr318

Tanga pyroxene opaque placer

Group D2, ferromagnesian placer, pyroxene and opaque-rich. Beach placer sands, dominant clinopyroxene and opaques. Indigenous to Tanga.

Fabric Class:

Opaque Pyroxenic: Dominated by opaque inclusions, with pyroxenes.

Postarc: Clinopyroxenes, plagioclase, and lithics of basalts or shoshonite (a basaltic trachyandesite), dominate.

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. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
Max 2 0 2 5 1 6 1 1 0 0 0 3 0 0 lathwork, microlitic
Min 0 0 1 3 0 4 0 0 0 0 0 1 0 0 Bismarck

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_30_7 Boeng Islet (Tanga) Tanga not Boeng 0 0 1 5 0 4 0 0 0 0 0 1 0 0 lathwork, microlitic
WD_30_12 Lif (Tanga) Tanga 0 0 1 4 0 5 0 0 0 0 0 1 0 0 lathwork, microlitic
WD_30_8 Lif (Tanga) Tanga 0 0 1 3 0 6 0 0 0 0 0 1 0 0 lathwork, microlitic
WD_30_4 Malendok Islet (Tanga) Tanga 0 0 2 3 1 5 0 0 0 0 0 1 0 0 lathwork, microlitic
WD_30_13 Malendok Islet (Tanga) Tanga 0 0 1 4 0 4 0 0 0 0 0 3 0 0 microlitic, lathwork
WD_30_6 Malendok Islet (Tanga) Tanga 0 0 1 5 0 4 0 0 0 0 0 2 0 0 microlitic, lathwork
WD_30_9 Tefa (Tanga) Tanga 0 0 1 4 0 5 0 0 0 0 0 1 0 0 microlitic, lathwork
WD_30_16 Malendok Islet (Tanga) Tanga 2 0 1 3 0 6 0 0 0 0 0 0 0 0 na

WD_30_7

Boeng_ERP2 Boeng_ERP2
Sherd ERP2 from Boeng islet (Tanga). Slide WD_30_7 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.

Matampul. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_12

Lif_ETL5 Lif_ETL5
Sherd ETL5 from Lif (Tanga). Slide WD_30_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.

Salkangkinit. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_8

Lif_ETM2515 Lif_ETM2515
Sherd ETM2515 from Lif (Tanga). Slide WD_30_8 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.

Angkikita. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_4

Maledok_ETR6 Maledok_ETR6
Sherd ETR6 from Malendok islet (Tanga). Slide WD_30_4 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.

Nonu. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_13

Maledok_ETS10 Maledok_ETS10
Sherd ETS10 from Malendok islet (Tanga). Slide WD_30_13 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.

Matangkipit. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_6

Maledok_ETZ15 Maledok_ETZ15
Sherd ETZ15 from Malendok islet (Tanga). Slide WD_30_6 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.

Amfuli. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_9

Tefa_ETF2 Tefa_ETF2
Sherd ETF2 from Tefa (Tanga). Slide WD_30_9 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.

Ansingsing. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


WD_30_16

Maledok_ETS7 Maledok_ETS7
Sherd ETS7 from Malendok islet (Tanga). Slide WD_30_16 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.

Matangkipit. Mixed pyroxene/opaque iron oxide ferromagnesian placer sand temper.


References:

239 Tanga, PNG, 2004 (Dickinson, W.)