Saipan Island

Wikidata ID: Q51679

Lithology and Age: None ( Chorlton (2007) )       Macrostrat Geological Map Link

Geonames ID: 4041550       Getty Thesaurus of Geographic Names ID: 1008913

Mindat Loc ID: 214440

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Many fabrics have a range of abundances. The range maximum (top) and minimum (bottom) are shown.

** Has full slide image available.

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
tpr1 6 1 1 1 0 1 0 0 0 0 0 1 0 0 felsitic
Saipan hybrid sand 6 1 1 0 0 1 0 0 0 0 0 1 0 0 Marianas
tpr2 ** 0 0 3 2 0 2 0 0 0 0 0 3 0 0 vitric, microlitic, felsitic
Saipan volcanic 0 0 2 1 0 1 0 0 0 0 0 3 0 0 Marianas
tpr3 ** 6 3 2 0 0 2 0 0 0 0 0 1 0 0 felsitic
Saipan hybrid 6 2 1 0 0 1 0 0 0 0 0 1 0 0 Marianas
tpr7 6 3 1 0 0 2 0 0 0 0 0 1 0 0 felsitic
Saipan hybrid quartz 6 1 1 0 0 0 0 0 0 0 0 1 0 0 Marianas
tpr4 ** 3 5 2 1 0 2 0 0 0 0 0 3 0 0 limeclast, felsitic, microlitic
Saipan quartz-rich 2 5 2 0 0 2 0 0 0 0 0 2 0 0 Marianas
tpr5 ** 0 4 3 0 0 1 0 0 0 0 0 6 0 0 vitric, felsitic
Saipan dacitic 0 2 1 0 0 0 0 0 0 0 0 4 0 0 Marianas
tpr6 ** 0 1 5 2 0 2 0 0 0 0 0 4 0 0 microlitic, felsitic, vitric
Marianas andesitic 0 0 4 1 0 2 0 0 0 0 0 3 0 0 Marianas
tpr13 ** 0 0 5 2 0 2 0 0 0 0 0 4 0 0 microlitic, vitric, felsitic
Saipan feldspar andesitic 0 0 5 2 0 1 0 0 0 0 0 4 0 0 Marianas

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_1_1 tpr1 (Saipan hybrid sand) Saipan 6 1 1 0 0 1 0 0 0 0 0 1 0 0 felsitic
WD_1_12 tpr1 (Saipan hybrid sand) Saipan 6 1 1 1 0 1 0 0 0 0 0 1 0 0 felsitic
WD_1_13 tpr1 (Saipan hybrid sand) Saipan 6 1 1 1 0 1 0 0 0 0 0 1 0 0 felsitic
WD_1_26 tpr1 (Saipan hybrid sand) Saipan 6 0 0 0 0 0 0 0 0 0 0 1 0 0 felsitic
WD_1_18 tpr2 (Saipan volcanic) Saipan 0 0 3 1 0 1 0 0 0 0 0 3 0 0 vitric, microlitic, felsitic
WD_1_16 tpr2 (Saipan volcanic) Saipan 0 0 3 2 0 1 0 0 0 0 0 3 0 0 vitric, microlitic, felsitic
WD_1_20 tpr2 (Saipan volcanic) Saipan 0 0 2 1 0 1 0 1 0 0 0 3 0 0 vitric, microlitic, felsitic
WD_1_25 tpr3 (Saipan hybrid) Saipan 6 3 2 0 0 1 0 0 0 0 0 1 0 0 felsitic
WD_1_23 tpr3 (Saipan hybrid) Saipan 6 3 2 0 0 1 0 0 0 0 0 1 0 0 felsitic
WD_6_2 tpr7 (Saipan hybrid quartz) Saipan 6 2 1 0 0 0 0 0 0 0 0 1 0 0 felsitic
WD_6_7 tpr7 (Saipan hybrid quartz) Saipan 6 2 1 0 0 0 0 0 0 0 0 1 0 0 felsitic
WD_2_4 tpr4 (Saipan quartz-rich) Saipan 2 5 2 1 0 2 0 0 0 0 0 2 0 0 limeclast, felsitic, microlitic
WD_2_1 tpr5 (Saipan dacitic) Saipan 0 2 1 0 0 0 0 0 0 0 0 6 0 0 vitric
WD_2_3 tpr5 (Saipan dacitic) Saipan 0 4 2 0 0 0 0 0 0 0 0 5 0 0 vitric, felsitic
WD_4_1 tpr6 (Marianas andesitic) Saipan 0 1 5 1 0 2 0 0 0 0 0 4 0 0 microlitic, felsitic, vitric
WD_4_4 tpr13 (Saipan feldspar andesitic) Saipan 0 0 5 2 0 1 0 0 0 0 0 4 0 0 microlitic, vitric, felsitic
WD_6_15 tpr4 (Saipan quartz-rich) Saipan 3 5 2 0 0 2 0 0 0 0 0 3 0 0 limeclast
WD_8_23 tpr7 (Saipan hybrid quartz) Saipan 6 3 1 0 0 2 0 0 0 0 0 1 0 0 felsitic
WD_8_25 tpr7 (Saipan hybrid quartz) Saipan 6 3 1 0 0 2 0 0 0 0 0 1 0 0 felsitic

WD_1_1

SaipanBP2 SaipanBP2
Sherd BP2 from Unai Bapot (Saipan). Slide WD_1_1 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.

Type A CQT. Mixed dacitic (quartz-bearing)-calcareous (>90%) hybrid temper sand, thick red ware.


WD_1_12

SaipanUB90_1 SaipanUB90_1
Sherd UB90-1 from Unai Bapot (Saipan). Slide WD_1_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.

Classified differently in 2 reports. Type A or B, andesitic aggregate sand temper likely from Saipan, fineware.


WD_1_13

SaipanUB93_1 SaipanUB93_1
Sherd UB93-1 from Unai Bapot (Saipan). Slide WD_1_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.

Type A CQT. Dacitic aggregate sand temper likely from Saipan, fineware.


WD_1_26

SaipanBPX SaipanBPX
Sherd BPX from Unai Bapot (Saipan). Slide WD_1_26 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 (>90%) hybrid temper sand. Lithic. May not have quartz.


WD_1_18

BP9 has a full slide scan available (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Wholly non-calcareous, poorly sorted andesitic sand temper made up dominantly of vitric, microlitic and some felsitic volcanic lithic fragments, feldspar is plagioclase. Coarseware. Clinopyroxene and orthopyroxene.


WD_1_16

SaipanBP4 SaipanBP4
Sherd BP4 from Unai Bapot (Saipan). Slide WD_1_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.

Type B VST. Terrigenous andesitic (non-quartzose) volcanic sand temper. Clinopyroxene dominant, but minor orthopyroxene.


WD_1_20

SaipanUB77_1 SaipanUB77_1
Sherd UB77-1 from Unai Bapot (Saipan). Slide WD_1_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.

Wholly non-calcareous, poorly sorted andesitic sand temper made up dominantly of vitric volcanic lithic fragments, feldspar is plagioclase. Coarseware.


WD_1_25

SaipanUB82_1 SaipanUB82_1
Sherd UB82-1 from Unai Bapot (Saipan). Slide WD_1_25 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

TYPE C MVQT. Quartz-rich dacitic sand temper of Saipan origin intermingled with more abundant calcareous sand. Coarseware.


WD_1_23

SaipanBP19 SaipanBP19
Sherd BP19 from Unai Bapot (Saipan). Slide WD_1_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.

TYPE C MVQT. Mixed quartzose (dacitic)-calcareous hybrid temper sand. Thin red ware.


WD_6_2

ChalanPico15_10 ChalanPico15_10
Sherd 15-10 from Chalan Piao (Saipan). Slide WD_6_2 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.

Quartz-calcite temper.


WD_6_7

ChalanPicoCP5 ChalanPicoCP5
Sherd CP5 from Chalan Piao (Saipan). Slide WD_6_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.

Quartz-calcite temper, dacitic and reef deitrius source. Pre latte red-ware lime-filled. Manually added.


WD_2_4

SabananFiang98_10 SabananFiang98_10
Sherd 98-10 from Sabanan Fiang (Saipan). Slide WD_2_4 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Quartz-rich temper sands composed of the same grain types observed in quartz-rich soils and derivative sands of north-central Saipan. Pre-Latte sherd.


WD_2_1

SabananFiang98_3 SabananFiang98_3
Sherd 98-3 from Sabanan Fiang (Saipan). Slide WD_2_1 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Quartzose volcanic temper sand rich in grains of volcanic glass. Sabanan Fiang benchland east of the island crest in north-central Saipan. Latte sherd. Dacitic.


WD_2_3

98-9 has a full slide scan available (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Quartzose volcanic temper sand rich in grains of volcanic glass. Sabanan Fiang benchland east of the island crest in north-central Saipan. Latte sherd. Dacitic.


WD_4_1

SabananFiang98_4 SabananFiang98_4
Sherd 98-4 from Sabanan Fiang (Saipan). Slide WD_4_1 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Quartz-poor volcanic sand temper of feldspathic composition and andesitic character. Latte. Clinopyroxene and orthopyroxene.


WD_4_4

Moore15 Moore15
Sherd Moore15 from Saipan (Saipan). Slide WD_4_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.

Andesitic volcanic sand temper. Clinopyroxene dominant, but minor orthopyroxene.


WD_6_15

NansayNAN1 NansayNAN1
Sherd NansayNAN1 from Unai Achugao (Saipan). Slide WD_6_15 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.

Pre-Latte sherd. Quartz-rich quartzose sand temper.


WD_8_23

achugaoN226 achugaoN226
Sherd N226 from Unai Achugao (Saipan). Slide WD_8_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.

Hybrid quartz grains and calcareous detritus.


WD_8_25

achugaoN250 achugaoN250
Sherd N250 from Unai Achugao (Saipan). Slide WD_8_25 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.

Hybrid quartz grains and calcareous detritus.


References:

285 Unai Bapot, Saipan, 2010 (Dickinson, W.)

249 Unai Bapot, Saipan, Mariana, 2005 (Dickinson, W.)

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

011 Mariana 1966 (Dickinson, W.)