Site: Sanmeima

Island: Pagan       Lithology: Volcanic high island ( Nunn et al. (2016) )

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

Near/In Geonames ID: 7778902       Wikidata ID: None       Getty Thesaurus of Geographic Names ID: None

Mindat Loc ID: None


In:

Northern Mariana Islands Wikidata ID: Q16644

Northern Islands Province Wikidata ID: Q1608103

Pagan Island Wikidata ID: Q1126761

Mariana Islands Wikidata ID: Q153732


Volcanoes:

Pagan: Basalt / Picro-Basalt, Composite type, Stratovolcano(es).

Note that to see the 'Geology' layer (layer options in top right corner) you may have to zoom out.


Fabrics:

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
tpr11 0 2 2 0 0 1 0 0 0 0 0 6 0 0 vitric, felsitic
Saipan dacitic-vitric 0 1 2 0 0 1 0 0 0 0 0 6 0 0 Marianas
tpr15 0 0 4 2 0 3 0 0 0 0 0 6 0 0 vitric, microlitic, felsitic
Saipan andesitic 0 0 3 1 0 1 0 0 0 0 0 5 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_2_6 tpr11 (Saipan dacitic-vitric) Saipan 0 2 2 0 0 1 0 0 0 0 0 6 0 0 vitric
WD_4_8 tpr15 (Saipan andesitic) Saipan 0 0 3 1 0 1 0 0 0 0 0 5 0 0 vitric, microlitic

WD_2_6

PaganPAG1 PaganPAG1
Sherd PAG1 from Sanmeima (Pagan). Slide WD_2_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.

Poorly sorted dacitic volcanic sand temper of simple mineralogy and probable fluvial origin, composed dominantly of volcanic glass rock fragments.


WD_4_8

SanmeimaPAG_3 SanmeimaPAG_3
Sherd PAG-3 from Sanmeima (Pagan). Slide WD_4_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.

Moderately sorted and mineralogically complex andesitic volcanic sand temper of fine to coarse size and probable fluvial origin.


References:

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